summaryrefslogtreecommitdiff
path: root/presentation
diff options
context:
space:
mode:
authorW. Kosior <koszko@koszko.org>2024-05-27 12:19:19 +0200
committerW. Kosior <koszko@koszko.org>2024-05-27 12:29:59 +0200
commitee8fac8ab8529e2d105c7e55c2c9b28aefd19b46 (patch)
tree7f7559d0ba91710624eb2c76a9765587595d8153 /presentation
parent2d05ae83321cdf8aa3abab6acdd69f331ef4b89a (diff)
downloadAGH-ctf-course-2024-ee8fac8ab8529e2d105c7e55c2c9b28aefd19b46.tar.gz
AGH-ctf-course-2024-ee8fac8ab8529e2d105c7e55c2c9b28aefd19b46.zip
Update and add remaining files.HEADmagister
Diffstat (limited to 'presentation')
-rw-r--r--presentation/Awesome_Demon.svg407
-rw-r--r--presentation/Guix_logo.svg157
-rw-r--r--presentation/Guix_logo_with_flag.svg276
-rw-r--r--presentation/Nix_logo.svg424
-rw-r--r--presentation/Red_flag_waving.svg28
-rw-r--r--presentation/ctf-guix-store-onlynotes.pdfbin0 -> 290908 bytes
-rw-r--r--presentation/ctf-guix-store-withnotes.pdfbin0 -> 322458 bytes
-rw-r--r--presentation/ctf-guix-store.pdfbin0 -> 322458 bytes
-rw-r--r--presentation/ctf-guix-store.tex295
-rw-r--r--presentation/screenshots/abdul-blog-index.pngbin0 -> 30938 bytes
-rw-r--r--presentation/screenshots/account-creation.pngbin0 -> 19403 bytes
-rw-r--r--presentation/screenshots/gemini-capsule.pngbin0 -> 32301 bytes
-rw-r--r--presentation/screenshots/hint1.pngbin0 -> 38728 bytes
-rw-r--r--presentation/screenshots/hint2.pngbin0 -> 50720 bytes
14 files changed, 1587 insertions, 0 deletions
diff --git a/presentation/Awesome_Demon.svg b/presentation/Awesome_Demon.svg
new file mode 100644
index 0000000..694e212
--- /dev/null
+++ b/presentation/Awesome_Demon.svg
@@ -0,0 +1,407 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<svg
+ xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
+ xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+ xmlns="http://www.w3.org/2000/svg"
+ xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
+ xmlns:ns1="http://sozi.baierouge.fr"
+ xmlns:cc="http://creativecommons.org/ns#"
+ xmlns:xlink="http://www.w3.org/1999/xlink"
+ xmlns:dc="http://purl.org/dc/elements/1.1/"
+ id="svg3773"
+ sodipodi:docname="hover.svg"
+ inkscape:export-filename="./hover.png"
+ viewBox="0 0 1064.9453 997.36969"
+ inkscape:export-xdpi="90"
+ version="1.1"
+ inkscape:export-ydpi="90"
+ inkscape:version="0.48.4 r9939"
+ >
+ <sodipodi:namedview
+ id="namedview19"
+ fit-margin-left="0"
+ inkscape:zoom="0.35355339"
+ borderopacity="1"
+ inkscape:current-layer="svg3773"
+ inkscape:cx="300.83581"
+ inkscape:cy="118.45062"
+ inkscape:window-maximized="0"
+ showgrid="false"
+ fit-margin-right="0"
+ bordercolor="#666666"
+ inkscape:window-x="0"
+ guidetolerance="10"
+ objecttolerance="10"
+ inkscape:window-y="19"
+ fit-margin-bottom="0"
+ inkscape:window-width="1147"
+ inkscape:pageopacity="0"
+ inkscape:pageshadow="2"
+ pagecolor="#ffffff"
+ gridtolerance="10"
+ inkscape:window-height="1181"
+ fit-margin-top="0"
+ />
+ <defs
+ id="defs3775"
+ >
+ <style
+ id="style3110"
+ type="text/css"
+ >.str0 {stroke:black;stroke-width:0.238063}
+ .fil0 {fill:black}
+ .fil2 {fill:#050707}
+ .fil3 {fill:#881846}
+ .fil5 {fill:#F6BCD6}
+ .fil1 {fill:#F9DD56}
+ .fil4 {fill:#FDFCFD}</style
+ >
+ <style
+ id="style3955"
+ type="text/css"
+ >.str0 {stroke:black;stroke-width:0.238063}
+ .fil0 {fill:black}
+ .fil2 {fill:#050707}
+ .fil3 {fill:#881846}
+ .fil5 {fill:#F6BCD6}
+ .fil1 {fill:#F9DD56}
+ .fil4 {fill:#FDFCFD}</style
+ >
+ <clipPath
+ id="clip2"
+ >
+ <rect
+ id="rect28"
+ y="0"
+ width="3e3"
+ x="0"
+ height="3e3"
+ />
+ </clipPath
+ >
+ <clipPath
+ id="clip1"
+ >
+ <rect
+ id="rect16"
+ y="0"
+ width="3e3"
+ x="0"
+ height="3e3"
+ />
+ </clipPath
+ >
+ <radialGradient
+ id="radialGradient2297"
+ gradientUnits="userSpaceOnUse"
+ cy="15.699"
+ cx="30.561"
+ gradientTransform="matrix(.77122 0 0 .77122 6.9919 3.5917)"
+ r="8.9021"
+ >
+ <stop
+ id="stop2293"
+ stop-color="#ffa107"
+ offset="0"
+ />
+ <stop
+ id="stop2295"
+ stop-color="#c00"
+ offset="1"
+ />
+ </radialGradient
+ >
+ <linearGradient
+ id="linearGradient2337"
+ >
+ <stop
+ id="stop2339"
+ stop-color="#c00"
+ offset="0"
+ />
+ <stop
+ id="stop2345"
+ stop-color="#c84a00"
+ offset=".27586"
+ />
+ <stop
+ id="stop2341"
+ stop-color="#be0000"
+ offset="1"
+ />
+ </linearGradient
+ >
+ <linearGradient
+ id="linearGradient4295"
+ y2="31.727"
+ xlink:href="#radialGradient2297"
+ gradientUnits="userSpaceOnUse"
+ x2="39.754"
+ gradientTransform="matrix(10.771 0 0 10.771 103.16 632.21)"
+ y1="10.164"
+ x1="68.65"
+ inkscape:collect="always"
+ />
+ <radialGradient
+ id="radialGradient4297"
+ xlink:href="#radialGradient2297"
+ gradientUnits="userSpaceOnUse"
+ cy="-4.1211"
+ cx="159.18"
+ r="147.6"
+ inkscape:collect="always"
+ />
+ <linearGradient
+ id="linearGradient4299"
+ y2="9.4235"
+ xlink:href="#linearGradient2337"
+ gradientUnits="userSpaceOnUse"
+ x2="32.312"
+ gradientTransform="matrix(15.642 0 0 15.642 -74.274 -109.1)"
+ y1="7.361"
+ x1="30.526"
+ inkscape:collect="always"
+ />
+ <linearGradient
+ id="linearGradient4301"
+ y2="8.0444"
+ xlink:href="#radialGradient2297"
+ gradientUnits="userSpaceOnUse"
+ x2="31.775"
+ gradientTransform="matrix(15.642 0 0 15.642 -74.274 -109.1)"
+ y1="6.1455"
+ x1="32.099"
+ inkscape:collect="always"
+ />
+ <linearGradient
+ id="linearGradient4303"
+ y2="9.6735"
+ xlink:href="#linearGradient2337"
+ gradientUnits="userSpaceOnUse"
+ x2="8.8115"
+ gradientTransform="matrix(15.642 0 0 15.642 -74.274 -109.1)"
+ y1="7.611"
+ x1="10.401"
+ inkscape:collect="always"
+ />
+ <linearGradient
+ id="linearGradient4305"
+ y2="8.0444"
+ xlink:href="#radialGradient2297"
+ gradientUnits="userSpaceOnUse"
+ x2="8.0879"
+ gradientTransform="matrix(15.642 0 0 15.642 -74.274 -109.1)"
+ y1="6.0205"
+ x1="7.2236"
+ inkscape:collect="always"
+ />
+ </defs
+ >
+ <g
+ id="g4271"
+ transform="matrix(1.6438 0 0 1.6438 0 -865.45)"
+ >
+ <path
+ id="path4214"
+ d="m345.06 1022s231.63 9.2841 264.3-84.205c21.92-62.726-68.989-101.66-76.742-144.06-7.7391-42.406 45.786-31.632 45.786-31.632l8.7461 17.506 31.632-37.702-56.532-7.408 10.76 18.182s-52.159-8.415-53.842 37.012c-1.683 45.441 91.765 103.34 59.457 148.1-32.308 44.765-188.7 30.956-188.7 30.956l-44.862 53.249z"
+ style="color:#000000;stroke:#3c0000;stroke-width:30;fill:none"
+ inkscape:connector-curvature="0"
+ />
+ <path
+ id="path2281"
+ style="color:#000000;fill-rule:evenodd;fill:url(#linearGradient4295)"
+ inkscape:connector-curvature="0"
+ d="m345.06 1022s231.63 9.2841 264.3-84.205c21.92-62.726-68.989-101.66-76.742-144.06-7.7391-42.406 45.786-31.632 45.786-31.632l8.7461 17.506 31.632-37.702-56.532-7.408 10.76 18.182s-52.159-8.415-53.842 37.012c-1.683 45.441 91.765 103.34 59.457 148.1-32.308 44.765-188.7 30.956-188.7 30.956l-44.862 53.249z"
+ />
+ <g
+ id="layer1"
+ transform="translate(1935 -250.07)"
+ >
+ <g
+ id="Слой_x0020_1-5"
+ transform="matrix(1.5439,0,0,1.5439,-1935,830.08)"
+ >
+ <circle
+ id="circle3959"
+ sodipodi:rx="161.8"
+ sodipodi:ry="161.8"
+ style="stroke:#000000;stroke-width:.23806;fill:#3c0000"
+ d="m 323.72,161.92 c 0,89.35967 -72.44033,161.8 -161.8,161.8 C 72.560324,323.72 0.11999512,251.27967 0.11999512,161.92 0.11999512,72.560324 72.560324,0.11999512 161.92,0.11999512 c 89.35967,0 161.8,72.44032888 161.8,161.80000488 z"
+ cx="161.92"
+ cy="161.92"
+ sodipodi:cy="161.92"
+ sodipodi:cx="161.92"
+ r="161.8"
+ class="fil0 str0"
+ />
+ <circle
+ id="circle3961"
+ sodipodi:rx="147.48"
+ sodipodi:ry="147.48"
+ style="stroke:#000000;stroke-width:.23806;fill:url(#radialGradient4297)"
+ d="m 309.39999,161.92 c 0,81.45095 -66.02904,147.47999 -147.47999,147.47999 -81.450954,0 -147.479998,-66.02904 -147.479998,-147.47999 0,-81.450954 66.029044,-147.479998 147.479998,-147.479998 81.45095,0 147.47999,66.029044 147.47999,147.479998 z"
+ cx="161.92"
+ cy="161.92"
+ sodipodi:cy="161.92"
+ sodipodi:cx="161.92"
+ r="147.48"
+ class="fil1 str0"
+ />
+ <path
+ id="path3963"
+ d="m41.123 185.96h11.294c11.213 165.04 248.98 116.18 199.71-9.13h-211.01v9.1332z"
+ style="fill:#3c0000"
+ inkscape:connector-curvature="0"
+ class="fil2"
+ />
+ <path
+ id="path3965"
+ d="m245.86 186.21-183.75 0.008c18.239 150.24 213.66 103.19 183.75-0.008z"
+ style="fill:#ffabab"
+ inkscape:connector-curvature="0"
+ class="fil3"
+ />
+ <path
+ id="path3967"
+ d="m176.27 91.114c-9.6714 12.316-17.811 31.937-8.2086 59.503l88.527 0.009c6.6797-20.838 4.7654-49.806-13.117-65.026-20.429-17.388-50.218-16.113-67.201 5.5133z"
+ style="fill:#3c0000"
+ inkscape:connector-curvature="0"
+ class="fil2"
+ />
+ <path
+ id="path3969"
+ d="m61.305 74.123c-30.866 9.3689-32.821 49.81-25.828 76.495l76.459-0.0254c9.5014-26.523 3.1954-52.857-18.826-70.836-6.6703-5.4459-19.863-9.2589-31.806-5.6339z"
+ style="fill:#3c0000"
+ inkscape:connector-curvature="0"
+ class="fil2"
+ />
+ <path
+ id="path3971"
+ d="m174.68 141.48h74.64c3.8563-12.479 2.2972-23.818-0.31496-31.809-3.8973 5.0785-8.569 6.563-13.857 7.2436-9.181 1.2217-16.692-7.3466-16.692-16.062l-0.0802-0.63896c0.89227-8.5141 2.272-8.6824 8.5836-14.478-2.4331-1.6292-7.6264-3.1493-11.653-3.1493-33.827-0.65539-50.247 37.199-40.627 58.893z"
+ style="fill:#fdfcfd"
+ inkscape:connector-curvature="0"
+ class="fil4"
+ />
+ <path
+ id="path3973"
+ d="m223.2 259.78c-24.285-42.293-86.986-30.941-95.6 17.233 29.39 11.065 72.231 3.9741 95.6-17.233z"
+ style="fill:#e22727"
+ inkscape:connector-curvature="0"
+ class="fil5"
+ />
+ <path
+ id="path3975"
+ d="m42.72 141.48 62.752 0.0112c1.05-8.9739 3.435-21.112-1.024-30.875-10.927 12.411-30.279 6.3351-30.234-11.653 0-8.0911 4.333-9.7752 9.1332-14.172-34.666-15.646-48.763 30.431-40.627 56.689z"
+ style="fill:#fdfcfd"
+ inkscape:connector-curvature="0"
+ class="fil4"
+ />
+ </g
+ >
+ </g
+ >
+ <path
+ id="path46"
+ d="m242.23 1133-30.125-70.085-0.0186-1.3432 54.953 0.1129 0.0186 1.3432-24.188 69.935c-0.14309 0.4102-0.47787 0.4102-0.63972 0.037z"
+ style="fill:#3c0000"
+ inkscape:connector-curvature="0"
+ />
+ <g
+ id="g4197"
+ transform="matrix(1.0773 -.10838 .10838 1.0773 -35.511 623.88)"
+ >
+ <path
+ id="path2276"
+ d="m465.91-35.065c-1.9552 0.36758-3.8479 1.0746-5.5684 2.0897l-93.381 51.22c-4.8176 2.7655-9.7135 7.7802-8.5716 13.22 6.8511 32.636 32.597 54.957 67.322 58.867 5.24 0.59439 9.5727-4.3484 11.982-9.0252l46.346-91.634c2.9094-5.7765 2.3306-12.698-1.486-17.918-3.8322-5.2181-10.245-7.8537-16.643-6.8213z"
+ style="stroke-linejoin:round;fill-rule:evenodd;color:#000000;stroke:#3c0000;stroke-linecap:round;stroke-width:15.642;fill:url(#linearGradient4299)"
+ inkscape:connector-curvature="0"
+ />
+ <path
+ id="path2299"
+ d="m466.15-18.437-87.703 47.504c-2.9876 1.9114-3.7853 1.9646-2.8155 5.6811 4.3797 16.683 25.996 35.219 42.733 39.301 3.535 0.87594 6.6164-1.267 8.2901-4.5048l43.093-86.151c2.0021-3.9933-2.4088-2.5324-3.5976-1.8301z"
+ style="opacity:.64773;stroke-linejoin:round;color:#000000;stroke:url(#linearGradient4301);stroke-linecap:round;stroke-width:15.642;fill:none"
+ inkscape:connector-curvature="0"
+ />
+ </g
+ >
+ <g
+ id="g4202"
+ transform="matrix(1.0676 .12803 -.12803 1.0676 -1.4766 568.28)"
+ >
+ <path
+ id="path2279"
+ d="m34.071-33.11c1.9662 0.36758 3.8526 1.0746 5.5747 2.0897l93.379 51.22c4.8176 2.7655 9.7135 7.7802 8.5716 13.22-6.8354 32.636-32.597 54.957-67.325 58.867-5.2274 0.59439-9.5727-4.3484-11.977-9.0252l-46.336-91.633c-2.9125-5.7765-2.3384-12.698 1.4844-17.918 3.8213-5.2181 10.247-7.8537 16.633-6.8213z"
+ style="stroke-linejoin:round;fill-rule:evenodd;color:#000000;stroke:#3c0000;stroke-linecap:round;stroke-width:15.642;fill:url(#linearGradient4303)"
+ inkscape:connector-curvature="0"
+ />
+ <path
+ id="path2301"
+ d="m33.708-15.671 87.711 47.502c2.9876 1.9114 3.7853 1.9662 2.7999 5.6826-4.3797 16.687-25.981 35.222-42.727 39.304-3.5319 0.86029-6.6164-1.267-8.2791-4.5048l-43.095-86.154c-2.0115-3.9933 2.3994-2.5324 3.5898-1.8301z"
+ style="opacity:.64773;stroke-linejoin:round;color:#000000;stroke:url(#linearGradient4305);stroke-linecap:round;stroke-width:15.642;fill:none"
+ inkscape:connector-curvature="0"
+ />
+ </g
+ >
+ <path
+ id="path78"
+ d="m75.376 644.34 112.41 78.077 2.2896 1.2366 13.214-26.044-2.2877-1.2312-125.4-52.301c-0.73907-0.31142-0.82014-0.14828-0.22171 0.26253z"
+ style="fill:#3c0000"
+ inkscape:connector-curvature="0"
+ />
+ <path
+ id="path76"
+ d="m364.18 649.85-116.83 70.74-2.3578 1.0886-11.534-26.766 2.3556-1.0832 128.16-44.258c0.76071-0.26177 0.82606-0.0965 0.20963 0.27759z"
+ style="fill:#3c0000"
+ inkscape:connector-curvature="0"
+ />
+ </g
+ >
+ <metadata
+ >
+ <rdf:RDF
+ >
+ <cc:Work
+ >
+ <dc:format
+ >image/svg+xml</dc:format
+ >
+ <dc:type
+ rdf:resource="http://purl.org/dc/dcmitype/StillImage"
+ />
+ <cc:license
+ rdf:resource="http://creativecommons.org/licenses/publicdomain/"
+ />
+ <dc:publisher
+ >
+ <cc:Agent
+ rdf:about="http://openclipart.org/"
+ >
+ <dc:title
+ >Openclipart</dc:title
+ >
+ </cc:Agent
+ >
+ </dc:publisher
+ >
+ </cc:Work
+ >
+ <cc:License
+ rdf:about="http://creativecommons.org/licenses/publicdomain/"
+ >
+ <cc:permits
+ rdf:resource="http://creativecommons.org/ns#Reproduction"
+ />
+ <cc:permits
+ rdf:resource="http://creativecommons.org/ns#Distribution"
+ />
+ <cc:permits
+ rdf:resource="http://creativecommons.org/ns#DerivativeWorks"
+ />
+ </cc:License
+ >
+ </rdf:RDF
+ >
+ </metadata
+ >
+</svg
+>
diff --git a/presentation/Guix_logo.svg b/presentation/Guix_logo.svg
new file mode 100644
index 0000000..fd31fa2
--- /dev/null
+++ b/presentation/Guix_logo.svg
@@ -0,0 +1,157 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Inkscape (http://www.inkscape.org/) -->
+
+<svg
+ height="44.471672mm"
+ width="73.686356mm"
+ viewBox="0 0 261.09338 157.57679"
+ id="svg3338"
+ version="1.1"
+ inkscape:version="1.2.1 (9c6d41e410, 2022-07-14)"
+ sodipodi:docname="Guix_logo.svg"
+ xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
+ xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
+ xmlns:xlink="http://www.w3.org/1999/xlink"
+ xmlns="http://www.w3.org/2000/svg"
+ xmlns:svg="http://www.w3.org/2000/svg"
+ xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+ xmlns:cc="http://creativecommons.org/ns#"
+ xmlns:dc="http://purl.org/dc/elements/1.1/">
+ <defs
+ id="defs3344">
+ <linearGradient
+ inkscape:collect="always"
+ xlink:href="#linearGradient4702-3"
+ id="linearGradient3936"
+ gradientUnits="userSpaceOnUse"
+ gradientTransform="matrix(1.4874381,0,0,1.4874381,1284.8057,-24.050665)"
+ x1="142.96875"
+ y1="63.65625"
+ x2="176.60477"
+ y2="70.667412" />
+ <linearGradient
+ id="linearGradient4702-3">
+ <stop
+ style="stop-color:#ff0000;stop-opacity:0.58431375;"
+ offset="0"
+ id="stop4704-1" />
+ <stop
+ style="stop-color:#ffcc00;stop-opacity:1;"
+ offset="1"
+ id="stop4706-8" />
+ </linearGradient>
+ <linearGradient
+ inkscape:collect="always"
+ xlink:href="#linearGradient4702-3"
+ id="linearGradient3932"
+ gradientUnits="userSpaceOnUse"
+ gradientTransform="matrix(1.4874381,0,0,1.4874381,1284.7576,-1291.8882)"
+ x1="113.5146"
+ y1="1004.8033"
+ x2="78.000107"
+ y2="922.07178" />
+ <linearGradient
+ inkscape:collect="always"
+ xlink:href="#linearGradient4696-5"
+ id="linearGradient3929"
+ gradientUnits="userSpaceOnUse"
+ gradientTransform="matrix(-0.83291399,0,0,0.83291399,1519.4606,-667.62588)"
+ x1="108.08774"
+ y1="1025.709"
+ x2="80.655251"
+ y2="1043.709" />
+ <linearGradient
+ id="linearGradient4696-5">
+ <stop
+ style="stop-color:#ffb638;stop-opacity:1;"
+ offset="0"
+ id="stop4698-6" />
+ <stop
+ style="stop-color:#f0ae26;stop-opacity:1;"
+ offset="1"
+ id="stop4700-2" />
+ </linearGradient>
+ <linearGradient
+ inkscape:collect="always"
+ xlink:href="#linearGradient4702-3"
+ id="linearGradient3926"
+ gradientUnits="userSpaceOnUse"
+ gradientTransform="matrix(-1.4874381,0,0,1.4874381,1586.895,-24.051145)"
+ x1="142.96875"
+ y1="63.65625"
+ x2="177.04297"
+ y2="69.791016" />
+ </defs>
+ <sodipodi:namedview
+ pagecolor="#ffffff"
+ bordercolor="#666666"
+ borderopacity="1"
+ objecttolerance="10"
+ gridtolerance="10"
+ guidetolerance="10"
+ inkscape:pageopacity="0"
+ inkscape:pageshadow="2"
+ inkscape:window-width="1280"
+ inkscape:window-height="749"
+ id="namedview3342"
+ showgrid="false"
+ inkscape:zoom="1.8132778"
+ inkscape:cx="87.962253"
+ inkscape:cy="135.66592"
+ inkscape:window-x="0"
+ inkscape:window-y="27"
+ inkscape:window-maximized="1"
+ inkscape:current-layer="g3398"
+ inkscape:showpageshadow="2"
+ inkscape:pagecheckerboard="0"
+ inkscape:deskcolor="#d1d1d1"
+ inkscape:document-units="mm" />
+ <metadata
+ id="metadata3340">
+ <rdf:RDF>
+ <cc:Work
+ rdf:about="">
+ <dc:format>image/svg+xml</dc:format>
+ <dc:type
+ rdf:resource="http://purl.org/dc/dcmitype/StillImage" />
+ <dc:title />
+ </cc:Work>
+ </rdf:RDF>
+ </metadata>
+ <g
+ id="g3398"
+ transform="translate(-1305.3034,-46.601235)">
+ <path
+ inkscape:connector-curvature="0"
+ style="font-style:normal;font-weight:bold;font-size:144px;line-height:125%;font-family:Sans;-inkscape-font-specification:'Sans Bold';letter-spacing:0px;word-spacing:0px;fill:#ffcc00;fill-opacity:1;stroke:none"
+ d="m 1557.9367,46.602435 c -2.6825,4.90263 -5.4059,8.89401 -8.1809,12.03897 -2.6825,3.05258 -5.6406,5.49427 -8.8781,7.34422 -3.1451,1.75757 -6.7135,3.02514 -10.691,3.76506 -3.885,0.64751 -8.3459,0.97629 -13.4334,0.9761 -3.7529,0 -7.1256,-0.1922 -10.0867,-0.55773 -0.012,0 -0.034,0 -0.047,0 -0.3754,-0.0273 -1.1508,-0.15334 -1.9523,-0.27891 -0.8442,-0.13218 -1.7071,-0.25955 -3.0678,-0.5113 -24.9421,-4.61489 -33.2141,12.7003 -35.0013,17.47744 -0.2797,0.74767 -0.4183,1.20845 -0.4183,1.20845 l -30.3066,84.505085 -18.593,31.60821 h 37.1395 c 15.2535,-33.96261 29.9183,-104.875515 45.5993,-111.139545 3.3988,0.47537 7.6118,0.69713 12.6897,0.69713 6.6601,0 12.6232,-0.79843 17.8957,-2.46349 5.2726,-1.66502 10.0151,-4.24757 14.2702,-7.76263 4.255,-3.60748 8.1051,-8.20868 11.5276,-13.75881 3.515,-5.54998 6.8486,-12.21732 9.9937,-19.98743 l -8.4597,-3.16082 z"
+ id="path3143" />
+ <path
+ style="font-style:normal;font-weight:bold;font-size:144px;line-height:125%;font-family:Sans;-inkscape-font-specification:'Sans Bold';letter-spacing:0px;word-spacing:0px;fill:url(#linearGradient3936);fill-opacity:1;stroke:none"
+ d="m 1557.9358,46.605905 c -2.6826,4.90263 -5.4057,8.8885 -8.1808,12.03346 -2.6824,3.05259 -5.6417,5.49543 -8.8792,7.34538 -0.7789,0.43527 -1.5819,0.83524 -2.4125,1.20983 -0.01,0.003 -0.014,0.0109 -0.022,0.0144 -1.0455,0.73525 -2.3902,1.36643 -4.2128,1.80033 -21.0208,5.00504 -35.3388,23.73821 -36.6837,25.5504 0.6098,-0.50134 1.2236,-0.91065 1.8364,-1.22422 0.092,-0.0488 0.1814,-0.093 0.2736,-0.13683 0.015,-0.007 0.029,-0.0148 0.043,-0.0216 0.1068,-0.0498 0.2172,-0.0941 0.3241,-0.13682 3.3988,0.47537 7.6109,0.69853 12.6888,0.69853 6.6601,0 12.6228,-0.805 17.8954,-2.47007 5.2725,-1.66501 10.0108,-4.2408 14.2658,-7.75586 4.2551,-3.60747 8.1069,-8.21164 11.5294,-13.76177 3.515,-5.55 6.8504,-12.22084 9.9955,-19.99096 l -8.4616,-3.1542 z"
+ id="path3145"
+ inkscape:connector-curvature="0" />
+ <path
+ inkscape:connector-curvature="0"
+ style="font-style:normal;font-weight:bold;font-size:144px;line-height:125%;font-family:Sans;-inkscape-font-specification:'Sans Bold';letter-spacing:0px;word-spacing:0px;fill:#ffcc00;fill-opacity:1;stroke:none"
+ d="m 1313.7642,46.602455 c 2.6826,4.90263 5.4059,8.89399 8.1809,12.03895 2.6825,3.05258 5.6407,5.49427 8.8782,7.34422 3.145,1.75757 6.7134,3.02514 10.6909,3.76506 3.8851,0.6477 8.3459,0.97629 13.4334,0.9761 3.7529,0 7.1256,-0.1922 10.0867,-0.55773 0.012,0 0.035,0 0.047,0 0.3754,-0.0269 1.1508,-0.15333 1.9523,-0.27891 0.8442,-0.13218 1.7071,-0.25955 3.0678,-0.5113 24.9421,-4.61489 33.2141,12.7003 35.0013,17.47744 0.2797,0.74767 0.4183,1.20845 0.4183,1.20845 l 30.3066,84.505085 18.593,31.60821 h -37.1395 c -15.2535,-33.96261 -29.9183,-104.875515 -45.5993,-111.139545 -3.3988,0.47537 -7.6118,0.69713 -12.6897,0.69713 -6.6601,0 -12.6232,-0.79843 -17.8957,-2.46349 -5.2726,-1.66502 -10.0151,-4.24757 -14.2702,-7.76263 -4.255,-3.60748 -8.105,-8.20867 -11.5276,-13.75881 -3.515,-5.54993 -6.8486,-12.21728 -9.9937,-19.98743 l 8.4598,-3.1608 z"
+ id="path3147" />
+ <path
+ sodipodi:nodetypes="ccccccccsscccccccccccc"
+ id="path3149"
+ d="m 1313.7627,46.601235 c 2.6826,4.90262 5.4059,8.89399 8.1809,12.03894 2.6825,3.05259 5.6407,5.49427 8.8781,7.34422 3.1451,1.75757 6.7135,3.02514 10.691,3.76507 3.8851,0.64768 8.3459,0.97628 13.4334,0.97609 3.7529,0 7.1256,-0.19221 10.0867,-0.55772 0.012,0 0.035,0 0.047,0 0.3754,-0.027 1.1508,-0.15335 1.9523,-0.27892 0.8442,-0.13218 1.7071,-0.25955 3.0678,-0.5113 24.9421,-4.61489 33.2141,12.70029 35.0013,17.47744 0.2797,0.74767 0.4183,1.20845 0.4183,1.20845 l 30.3066,84.505095 15.6181,31.60819 h -34.1646 c -15.2535,-33.9626 -29.9183,-104.875505 -45.5993,-111.139535 -3.3988,0.47537 -7.6118,0.69713 -12.6897,0.69713 -6.6601,0 -12.6232,-0.79843 -17.8957,-2.46349 -5.2726,-1.66502 -10.0151,-4.24758 -14.2701,-7.76263 -4.2551,-3.60748 -8.1051,-8.20867 -11.5277,-13.7588 -3.515,-5.54995 -6.8486,-12.21728 -9.9937,-19.98743 l 8.4598,-3.1608 z"
+ style="font-style:normal;font-weight:bold;font-size:144px;line-height:125%;font-family:Sans;-inkscape-font-specification:'Sans Bold';letter-spacing:0px;word-spacing:0px;fill:url(#linearGradient3932);fill-opacity:1;stroke:none"
+ inkscape:connector-curvature="0" />
+ <path
+ inkscape:connector-curvature="0"
+ id="path3151"
+ style="font-style:normal;font-weight:bold;font-size:144px;line-height:125%;font-family:Sans;-inkscape-font-specification:'Sans Bold';letter-spacing:0px;word-spacing:0px;fill:url(#linearGradient3929);fill-opacity:1;stroke:none"
+ d="m 1435.8193,172.5566 -18.52,31.62143 h 37.1209"
+ sodipodi:nodetypes="ccc" />
+ <path
+ style="font-style:normal;font-weight:bold;font-size:144px;line-height:125%;font-family:Sans;-inkscape-font-specification:'Sans Bold';letter-spacing:0px;word-spacing:0px;fill:url(#linearGradient3926);fill-opacity:1;stroke:none"
+ d="m 1313.7667,46.605905 -8.4616,3.1542 c 0.9829,2.42817 1.9835,4.75137 3.003,6.96371 0.2039,0.44246 0.4068,0.87683 0.6121,1.31064 8e-4,0.002 -8e-4,0.006 0,0.007 0.2044,0.4318 0.4135,0.85862 0.6193,1.28184 0.069,0.14106 0.1401,0.27758 0.2089,0.41768 0.3452,0.70349 0.6877,1.40177 1.037,2.08119 0,0.003 0.01,0.004 0.01,0.007 0.2082,0.40484 0.4169,0.80634 0.6265,1.20263 0.8454,1.59852 1.7025,3.12828 2.5709,4.58726 0.2168,0.36432 0.4298,0.7174 0.6481,1.073 0.085,0.13784 0.1672,0.27395 0.252,0.41048 0.1351,0.21746 0.2749,0.43399 0.4105,0.64812 0.2139,0.34687 0.4237,0.69034 0.6409,1.0298 0.3462,0.54084 0.7041,1.06956 1.0586,1.59149 0.09,0.13178 0.1764,0.26551 0.2665,0.39607 0.225,0.32622 0.4486,0.64634 0.6769,0.96499 0.4544,0.6341 0.9152,1.25393 1.3827,1.85795 0.2337,0.302 0.4687,0.59851 0.7057,0.89296 0.474,0.58892 0.9532,1.16257 1.4403,1.72113 0.3692,0.42348 0.7467,0.83988 1.1234,1.24584 0.119,0.12822 0.2403,0.2552 0.36,0.38166 0.5012,0.52939 1.0055,1.04257 1.5195,1.54109 0.2564,0.24866 0.511,0.49359 0.7706,0.73454 0.2608,0.24217 0.5209,0.47857 0.7849,0.71294 0.2628,0.23322 0.5262,0.45866 0.7922,0.68413 0.7978,0.65907 1.6161,1.28595 2.4484,1.87955 2.2197,1.58292 4.563,2.93443 7.0357,4.05436 0.3091,0.14 0.6159,0.27768 0.929,0.41048 0.6283,0.26652 1.2637,0.51855 1.9084,0.75614 0.3213,0.11842 0.6396,0.22723 0.965,0.33846 0.3254,0.11123 0.657,0.22 0.9866,0.32406 0.3295,0.10407 0.6588,0.20515 0.9937,0.30246 0.6699,0.19463 1.3538,0.37949 2.0452,0.5473 0.3458,0.0839 0.6931,0.16039 1.0442,0.23765 0.3512,0.0773 0.7021,0.15261 1.0586,0.22324 0.3588,0.0711 0.7159,0.13718 1.0802,0.20164 0.7239,0.12808 1.458,0.24373 2.2036,0.34566 1.1184,0.15292 2.2607,0.27964 3.4279,0.37447 0.7781,0.0633 1.5694,0.1135 2.3692,0.15123 0.7999,0.0377 1.6125,0.0595 2.4341,0.072 0.4108,0.006 0.8224,0.007 1.2386,0.007 0.6348,0 1.2574,-2.1e-4 1.8652,-0.007 1.2156,-0.014 2.3763,-0.0437 3.4854,-0.0864 0.5521,-0.0213 1.0943,-0.0435 1.6203,-0.072 0.5282,-0.0287 1.0462,-0.0646 1.5483,-0.10083 1.5062,-0.10864 2.895,-0.24661 4.1696,-0.42487 0.1069,0.0427 0.2173,0.087 0.3241,0.13682 0.015,0.006 0.028,0.0148 0.043,0.0216 0.092,0.0439 0.1815,0.088 0.2736,0.13682 0.6131,0.31376 1.2262,0.72249 1.8364,1.22423 -1.3421,-1.80851 -15.6604,-20.54497 -36.6837,-25.5504 -1.8226,-0.43396 -3.1673,-1.06505 -4.2128,-1.80034 -0.01,-0.003 -0.014,-0.0108 -0.022,-0.0144 -0.8287,-0.37374 -1.6352,-0.77569 -2.4125,-1.20983 0,-8e-4 -0.01,7.9e-4 -0.01,0 -0.2005,-0.11459 -0.3993,-0.23372 -0.5977,-0.35287 0,-8e-4 -0.01,8e-4 -0.01,0 -0.2001,-0.12025 -0.3925,-0.24238 -0.5905,-0.36726 -0.3976,-0.25081 -0.7922,-0.50819 -1.181,-0.77775 -0.1936,-0.13419 -0.3847,-0.27162 -0.5761,-0.41048 -0.3856,-0.27966 -0.7611,-0.56553 -1.1378,-0.86416 -0.1871,-0.14821 -0.3696,-0.29358 -0.5545,-0.44649 -0.1864,-0.15403 -0.3704,-0.30928 -0.5545,-0.46808 -0.1828,-0.15761 -0.3595,-0.32017 -0.5401,-0.4825 -0.9031,-0.81159 -1.7795,-1.67679 -2.6285,-2.60688 -0.1699,-0.18602 -0.3437,-0.37813 -0.5113,-0.56891 -0.6171,-0.6993 -1.2315,-1.4415 -1.8436,-2.22522 -0.076,-0.0976 -0.1471,-0.19638 -0.2232,-0.29525 -0.1719,-0.22327 -0.347,-0.44692 -0.5185,-0.67693 -0.8574,-1.15011 -1.7082,-2.38737 -2.5565,-3.70871 -0.3393,-0.52854 -0.6774,-1.07112 -1.0154,-1.62751 -0.169,-0.27819 -0.3354,-0.55736 -0.5041,-0.84255 -0.5043,-0.85289 -1.0109,-1.74117 -1.5123,-2.6573 z"
+ id="path3154"
+ inkscape:connector-curvature="0" />
+ </g>
+</svg>
diff --git a/presentation/Guix_logo_with_flag.svg b/presentation/Guix_logo_with_flag.svg
new file mode 100644
index 0000000..bb3c700
--- /dev/null
+++ b/presentation/Guix_logo_with_flag.svg
@@ -0,0 +1,276 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Inkscape (http://www.inkscape.org/) -->
+
+<svg
+ height="44.471672mm"
+ width="73.686356mm"
+ viewBox="0 0 261.09338 157.57679"
+ id="svg3338"
+ version="1.1"
+ inkscape:version="1.2.1 (9c6d41e410, 2022-07-14)"
+ sodipodi:docname="Guix_logo_with_flag.svg"
+ xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
+ xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
+ xmlns:xlink="http://www.w3.org/1999/xlink"
+ xmlns="http://www.w3.org/2000/svg"
+ xmlns:svg="http://www.w3.org/2000/svg"
+ xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+ xmlns:cc="http://creativecommons.org/ns#"
+ xmlns:dc="http://purl.org/dc/elements/1.1/">
+ <defs
+ id="defs3344">
+ <linearGradient
+ inkscape:collect="always"
+ xlink:href="#linearGradient4702-3"
+ id="linearGradient3936"
+ gradientUnits="userSpaceOnUse"
+ gradientTransform="matrix(1.4874381,0,0,1.4874381,1284.8057,-24.050665)"
+ x1="142.96875"
+ y1="63.65625"
+ x2="176.60477"
+ y2="70.667412" />
+ <linearGradient
+ id="linearGradient4702-3">
+ <stop
+ style="stop-color:#ff0000;stop-opacity:0.58431375;"
+ offset="0"
+ id="stop4704-1" />
+ <stop
+ style="stop-color:#ffcc00;stop-opacity:1;"
+ offset="1"
+ id="stop4706-8" />
+ </linearGradient>
+ <linearGradient
+ inkscape:collect="always"
+ xlink:href="#linearGradient4702-3"
+ id="linearGradient3932"
+ gradientUnits="userSpaceOnUse"
+ gradientTransform="matrix(1.4874381,0,0,1.4874381,1284.7576,-1291.8882)"
+ x1="113.5146"
+ y1="1004.8033"
+ x2="78.000107"
+ y2="922.07178" />
+ <linearGradient
+ inkscape:collect="always"
+ xlink:href="#linearGradient4696-5"
+ id="linearGradient3929"
+ gradientUnits="userSpaceOnUse"
+ gradientTransform="matrix(-0.83291399,0,0,0.83291399,1519.4606,-667.62588)"
+ x1="108.08774"
+ y1="1025.709"
+ x2="80.655251"
+ y2="1043.709" />
+ <linearGradient
+ id="linearGradient4696-5">
+ <stop
+ style="stop-color:#ffb638;stop-opacity:1;"
+ offset="0"
+ id="stop4698-6" />
+ <stop
+ style="stop-color:#f0ae26;stop-opacity:1;"
+ offset="1"
+ id="stop4700-2" />
+ </linearGradient>
+ <linearGradient
+ inkscape:collect="always"
+ xlink:href="#linearGradient4702-3"
+ id="linearGradient3926"
+ gradientUnits="userSpaceOnUse"
+ gradientTransform="matrix(-1.4874381,0,0,1.4874381,1586.895,-24.051145)"
+ x1="142.96875"
+ y1="63.65625"
+ x2="177.04297"
+ y2="69.791016" />
+ <linearGradient
+ xlink:href="#c"
+ id="d"
+ x1="-3.7498047"
+ x2="4.318048"
+ y1="144.07323"
+ y2="144.07323"
+ gradientUnits="userSpaceOnUse"
+ gradientTransform="matrix(0.18442791,0,0,0.18442974,1351.8791,722.58769)" />
+ <linearGradient
+ id="c">
+ <stop
+ offset="0"
+ stop-color="#783000"
+ id="stop557" />
+ <stop
+ offset=".75"
+ id="stop559" />
+ <stop
+ offset="1"
+ stop-color="#642800"
+ id="stop561" />
+ </linearGradient>
+ <linearGradient
+ xlink:href="#b"
+ id="e"
+ x1="116.57422"
+ x2="221.6933"
+ y1="98.310341"
+ y2="94.320732"
+ gradientUnits="userSpaceOnUse"
+ gradientTransform="matrix(0.1844293,0,0,0.1844293,1439.7869,75.740202)" />
+ <linearGradient
+ id="b">
+ <stop
+ offset="0"
+ stop-color="#c82a00"
+ id="stop548" />
+ <stop
+ offset=".52"
+ stop-color="#5f1802"
+ id="stop550" />
+ <stop
+ offset=".67"
+ stop-color="#5f1802"
+ id="stop552" />
+ <stop
+ offset="1"
+ stop-color="#bf3415"
+ id="stop554" />
+ </linearGradient>
+ <radialGradient
+ xlink:href="#a"
+ id="f"
+ cx="175.42162"
+ cy="98.310333"
+ r="72.10807"
+ fx="175.42162"
+ fy="98.310333"
+ gradientTransform="matrix(0.1844293,0,0,0.21658271,1439.7869,72.579192)"
+ gradientUnits="userSpaceOnUse" />
+ <linearGradient
+ id="a">
+ <stop
+ offset="0"
+ stop-color="#b92c10"
+ id="stop564" />
+ <stop
+ offset="1"
+ stop-color="#621805"
+ id="stop566" />
+ </linearGradient>
+ <linearGradient
+ xlink:href="#a"
+ id="g"
+ x1="48.975147"
+ x2="117.85719"
+ y1="87.787521"
+ y2="77.99485"
+ gradientUnits="userSpaceOnUse"
+ gradientTransform="matrix(0.1844293,0,0,0.1844293,1439.7869,75.740202)" />
+ <radialGradient
+ xlink:href="#a"
+ id="h"
+ cx="67.081421"
+ cy="84.330505"
+ r="58.420074"
+ fx="67.081421"
+ fy="84.330505"
+ gradientTransform="matrix(0.1844293,0,0,0.26391464,1439.7869,69.037092)"
+ gradientUnits="userSpaceOnUse" />
+ </defs>
+ <sodipodi:namedview
+ pagecolor="#ffffff"
+ bordercolor="#666666"
+ borderopacity="1"
+ objecttolerance="10"
+ gridtolerance="10"
+ guidetolerance="10"
+ inkscape:pageopacity="0"
+ inkscape:pageshadow="2"
+ inkscape:window-width="1280"
+ inkscape:window-height="749"
+ id="namedview3342"
+ showgrid="false"
+ inkscape:zoom="1.5412692"
+ inkscape:cx="157.66227"
+ inkscape:cy="78.506727"
+ inkscape:window-x="0"
+ inkscape:window-y="27"
+ inkscape:window-maximized="1"
+ inkscape:current-layer="g3398"
+ inkscape:showpageshadow="2"
+ inkscape:pagecheckerboard="0"
+ inkscape:deskcolor="#d1d1d1"
+ inkscape:document-units="mm" />
+ <metadata
+ id="metadata3340">
+ <rdf:RDF>
+ <cc:Work
+ rdf:about="">
+ <dc:format>image/svg+xml</dc:format>
+ <dc:type
+ rdf:resource="http://purl.org/dc/dcmitype/StillImage" />
+ </cc:Work>
+ </rdf:RDF>
+ </metadata>
+ <g
+ id="g3398"
+ transform="translate(-1305.3034,-46.601235)">
+ <rect
+ width="1.4879373"
+ height="49.944027"
+ x="1351.1874"
+ y="724.18701"
+ fill="url(#d)"
+ color="#000000"
+ overflow="visible"
+ rx="0.74396867"
+ ry="0.74397606"
+ transform="matrix(0.8930067,-0.45004337,0.32182923,0.94679776,2.7438929e-5,2.4459005e-7)"
+ id="rect576"
+ style="fill:url(#d);stroke-width:0.184429" />
+ <path
+ inkscape:connector-curvature="0"
+ style="font-style:normal;font-weight:bold;font-size:144px;line-height:125%;font-family:Sans;-inkscape-font-specification:'Sans Bold';letter-spacing:0px;word-spacing:0px;fill:#ffcc00;fill-opacity:1;stroke:none"
+ d="m 1557.9367,46.602435 c -2.6825,4.90263 -5.4059,8.89401 -8.1809,12.03897 -2.6825,3.05258 -5.6406,5.49427 -8.8781,7.34422 -3.1451,1.75757 -6.7135,3.02514 -10.691,3.76506 -3.885,0.64751 -8.3459,0.97629 -13.4334,0.9761 -3.7529,0 -7.1256,-0.1922 -10.0867,-0.55773 -0.012,0 -0.034,0 -0.047,0 -0.3754,-0.0273 -1.1508,-0.15334 -1.9523,-0.27891 -0.8442,-0.13218 -1.7071,-0.25955 -3.0678,-0.5113 -24.9421,-4.61489 -33.2141,12.7003 -35.0013,17.47744 -0.2797,0.74767 -0.4183,1.20845 -0.4183,1.20845 l -30.3066,84.505085 -18.593,31.60821 h 37.1395 c 15.2535,-33.96261 29.9183,-104.875515 45.5993,-111.139545 3.3988,0.47537 7.6118,0.69713 12.6897,0.69713 6.6601,0 12.6232,-0.79843 17.8957,-2.46349 5.2726,-1.66502 10.0151,-4.24757 14.2702,-7.76263 4.255,-3.60748 8.1051,-8.20868 11.5276,-13.75881 3.515,-5.54998 6.8486,-12.21732 9.9937,-19.98743 l -8.4597,-3.16082 z"
+ id="path3143" />
+ <path
+ style="font-style:normal;font-weight:bold;font-size:144px;line-height:125%;font-family:Sans;-inkscape-font-specification:'Sans Bold';letter-spacing:0px;word-spacing:0px;fill:url(#linearGradient3936);fill-opacity:1;stroke:none"
+ d="m 1557.9358,46.605905 c -2.6826,4.90263 -5.4057,8.8885 -8.1808,12.03346 -2.6824,3.05259 -5.6417,5.49543 -8.8792,7.34538 -0.7789,0.43527 -1.5819,0.83524 -2.4125,1.20983 -0.01,0.003 -0.014,0.0109 -0.022,0.0144 -1.0455,0.73525 -2.3902,1.36643 -4.2128,1.80033 -21.0208,5.00504 -35.3388,23.73821 -36.6837,25.5504 0.6098,-0.50134 1.2236,-0.91065 1.8364,-1.22422 0.092,-0.0488 0.1814,-0.093 0.2736,-0.13683 0.015,-0.007 0.029,-0.0148 0.043,-0.0216 0.1068,-0.0498 0.2172,-0.0941 0.3241,-0.13682 3.3988,0.47537 7.6109,0.69853 12.6888,0.69853 6.6601,0 12.6228,-0.805 17.8954,-2.47007 5.2725,-1.66501 10.0108,-4.2408 14.2658,-7.75586 4.2551,-3.60747 8.1069,-8.21164 11.5294,-13.76177 3.515,-5.55 6.8504,-12.22084 9.9955,-19.99096 l -8.4616,-3.1542 z"
+ id="path3145"
+ inkscape:connector-curvature="0" />
+ <path
+ inkscape:connector-curvature="0"
+ style="font-style:normal;font-weight:bold;font-size:144px;line-height:125%;font-family:Sans;-inkscape-font-specification:'Sans Bold';letter-spacing:0px;word-spacing:0px;fill:#ffcc00;fill-opacity:1;stroke:none"
+ d="m 1313.7642,46.602455 c 2.6826,4.90263 5.4059,8.89399 8.1809,12.03895 2.6825,3.05258 5.6407,5.49427 8.8782,7.34422 3.145,1.75757 6.7134,3.02514 10.6909,3.76506 3.8851,0.6477 8.3459,0.97629 13.4334,0.9761 3.7529,0 7.1256,-0.1922 10.0867,-0.55773 0.012,0 0.035,0 0.047,0 0.3754,-0.0269 1.1508,-0.15333 1.9523,-0.27891 0.8442,-0.13218 1.7071,-0.25955 3.0678,-0.5113 24.9421,-4.61489 33.2141,12.7003 35.0013,17.47744 0.2797,0.74767 0.4183,1.20845 0.4183,1.20845 l 30.3066,84.505085 18.593,31.60821 h -37.1395 c -15.2535,-33.96261 -29.9183,-104.875515 -45.5993,-111.139545 -3.3988,0.47537 -7.6118,0.69713 -12.6897,0.69713 -6.6601,0 -12.6232,-0.79843 -17.8957,-2.46349 -5.2726,-1.66502 -10.0151,-4.24757 -14.2702,-7.76263 -4.255,-3.60748 -8.105,-8.20867 -11.5276,-13.75881 -3.515,-5.54993 -6.8486,-12.21728 -9.9937,-19.98743 l 8.4598,-3.1608 z"
+ id="path3147" />
+ <path
+ sodipodi:nodetypes="ccccccccsscccccccccccc"
+ id="path3149"
+ d="m 1313.7627,46.601235 c 2.6826,4.90262 5.4059,8.89399 8.1809,12.03894 2.6825,3.05259 5.6407,5.49427 8.8781,7.34422 3.1451,1.75757 6.7135,3.02514 10.691,3.76507 3.8851,0.64768 8.3459,0.97628 13.4334,0.97609 3.7529,0 7.1256,-0.19221 10.0867,-0.55772 0.012,0 0.035,0 0.047,0 0.3754,-0.027 1.1508,-0.15335 1.9523,-0.27892 0.8442,-0.13218 1.7071,-0.25955 3.0678,-0.5113 24.9421,-4.61489 33.2141,12.70029 35.0013,17.47744 0.2797,0.74767 0.4183,1.20845 0.4183,1.20845 l 30.3066,84.505095 15.6181,31.60819 h -34.1646 c -15.2535,-33.9626 -29.9183,-104.875505 -45.5993,-111.139535 -3.3988,0.47537 -7.6118,0.69713 -12.6897,0.69713 -6.6601,0 -12.6232,-0.79843 -17.8957,-2.46349 -5.2726,-1.66502 -10.0151,-4.24758 -14.2701,-7.76263 -4.2551,-3.60748 -8.1051,-8.20867 -11.5277,-13.7588 -3.515,-5.54995 -6.8486,-12.21728 -9.9937,-19.98743 l 8.4598,-3.1608 z"
+ style="font-style:normal;font-weight:bold;font-size:144px;line-height:125%;font-family:Sans;-inkscape-font-specification:'Sans Bold';letter-spacing:0px;word-spacing:0px;fill:url(#linearGradient3932);fill-opacity:1;stroke:none"
+ inkscape:connector-curvature="0" />
+ <path
+ inkscape:connector-curvature="0"
+ id="path3151"
+ style="font-style:normal;font-weight:bold;font-size:144px;line-height:125%;font-family:Sans;-inkscape-font-specification:'Sans Bold';letter-spacing:0px;word-spacing:0px;fill:url(#linearGradient3929);fill-opacity:1;stroke:none"
+ d="m 1435.8193,172.5566 -18.52,31.62143 h 37.1209"
+ sodipodi:nodetypes="ccc" />
+ <path
+ style="font-style:normal;font-weight:bold;font-size:144px;line-height:125%;font-family:Sans;-inkscape-font-specification:'Sans Bold';letter-spacing:0px;word-spacing:0px;fill:url(#linearGradient3926);fill-opacity:1;stroke:none"
+ d="m 1313.7667,46.605905 -8.4616,3.1542 c 0.9829,2.42817 1.9835,4.75137 3.003,6.96371 0.2039,0.44246 0.4068,0.87683 0.6121,1.31064 8e-4,0.002 -8e-4,0.006 0,0.007 0.2044,0.4318 0.4135,0.85862 0.6193,1.28184 0.069,0.14106 0.1401,0.27758 0.2089,0.41768 0.3452,0.70349 0.6877,1.40177 1.037,2.08119 0,0.003 0.01,0.004 0.01,0.007 0.2082,0.40484 0.4169,0.80634 0.6265,1.20263 0.8454,1.59852 1.7025,3.12828 2.5709,4.58726 0.2168,0.36432 0.4298,0.7174 0.6481,1.073 0.085,0.13784 0.1672,0.27395 0.252,0.41048 0.1351,0.21746 0.2749,0.43399 0.4105,0.64812 0.2139,0.34687 0.4237,0.69034 0.6409,1.0298 0.3462,0.54084 0.7041,1.06956 1.0586,1.59149 0.09,0.13178 0.1764,0.26551 0.2665,0.39607 0.225,0.32622 0.4486,0.64634 0.6769,0.96499 0.4544,0.6341 0.9152,1.25393 1.3827,1.85795 0.2337,0.302 0.4687,0.59851 0.7057,0.89296 0.474,0.58892 0.9532,1.16257 1.4403,1.72113 0.3692,0.42348 0.7467,0.83988 1.1234,1.24584 0.119,0.12822 0.2403,0.2552 0.36,0.38166 0.5012,0.52939 1.0055,1.04257 1.5195,1.54109 0.2564,0.24866 0.511,0.49359 0.7706,0.73454 0.2608,0.24217 0.5209,0.47857 0.7849,0.71294 0.2628,0.23322 0.5262,0.45866 0.7922,0.68413 0.7978,0.65907 1.6161,1.28595 2.4484,1.87955 2.2197,1.58292 4.563,2.93443 7.0357,4.05436 0.3091,0.14 0.6159,0.27768 0.929,0.41048 0.6283,0.26652 1.2637,0.51855 1.9084,0.75614 0.3213,0.11842 0.6396,0.22723 0.965,0.33846 0.3254,0.11123 0.657,0.22 0.9866,0.32406 0.3295,0.10407 0.6588,0.20515 0.9937,0.30246 0.6699,0.19463 1.3538,0.37949 2.0452,0.5473 0.3458,0.0839 0.6931,0.16039 1.0442,0.23765 0.3512,0.0773 0.7021,0.15261 1.0586,0.22324 0.3588,0.0711 0.7159,0.13718 1.0802,0.20164 0.7239,0.12808 1.458,0.24373 2.2036,0.34566 1.1184,0.15292 2.2607,0.27964 3.4279,0.37447 0.7781,0.0633 1.5694,0.1135 2.3692,0.15123 0.7999,0.0377 1.6125,0.0595 2.4341,0.072 0.4108,0.006 0.8224,0.007 1.2386,0.007 0.6348,0 1.2574,-2.1e-4 1.8652,-0.007 1.2156,-0.014 2.3763,-0.0437 3.4854,-0.0864 0.5521,-0.0213 1.0943,-0.0435 1.6203,-0.072 0.5282,-0.0287 1.0462,-0.0646 1.5483,-0.10083 1.5062,-0.10864 2.895,-0.24661 4.1696,-0.42487 0.1069,0.0427 0.2173,0.087 0.3241,0.13682 0.015,0.006 0.028,0.0148 0.043,0.0216 0.092,0.0439 0.1815,0.088 0.2736,0.13682 0.6131,0.31376 1.2262,0.72249 1.8364,1.22423 -1.3421,-1.80851 -15.6604,-20.54497 -36.6837,-25.5504 -1.8226,-0.43396 -3.1673,-1.06505 -4.2128,-1.80034 -0.01,-0.003 -0.014,-0.0108 -0.022,-0.0144 -0.8287,-0.37374 -1.6352,-0.77569 -2.4125,-1.20983 0,-8e-4 -0.01,7.9e-4 -0.01,0 -0.2005,-0.11459 -0.3993,-0.23372 -0.5977,-0.35287 0,-8e-4 -0.01,8e-4 -0.01,0 -0.2001,-0.12025 -0.3925,-0.24238 -0.5905,-0.36726 -0.3976,-0.25081 -0.7922,-0.50819 -1.181,-0.77775 -0.1936,-0.13419 -0.3847,-0.27162 -0.5761,-0.41048 -0.3856,-0.27966 -0.7611,-0.56553 -1.1378,-0.86416 -0.1871,-0.14821 -0.3696,-0.29358 -0.5545,-0.44649 -0.1864,-0.15403 -0.3704,-0.30928 -0.5545,-0.46808 -0.1828,-0.15761 -0.3595,-0.32017 -0.5401,-0.4825 -0.9031,-0.81159 -1.7795,-1.67679 -2.6285,-2.60688 -0.1699,-0.18602 -0.3437,-0.37813 -0.5113,-0.56891 -0.6171,-0.6993 -1.2315,-1.4415 -1.8436,-2.22522 -0.076,-0.0976 -0.1471,-0.19638 -0.2232,-0.29525 -0.1719,-0.22327 -0.347,-0.44692 -0.5185,-0.67693 -0.8574,-1.15011 -1.7082,-2.38737 -2.5565,-3.70871 -0.3393,-0.52854 -0.6774,-1.07112 -1.0154,-1.62751 -0.169,-0.27819 -0.3354,-0.55736 -0.5041,-0.84255 -0.5043,-0.85289 -1.0109,-1.74117 -1.5123,-2.6573 z"
+ id="path3154"
+ inkscape:connector-curvature="0" />
+ <path
+ fill="url(#e)"
+ fill-rule="evenodd"
+ stroke="url(#f)"
+ stroke-linejoin="bevel"
+ d="m 1459.2214,80.457332 c -0.4248,-4.92499 -0.6505,0.25223 1.3275,0.6903 4.4236,1.12432 9.0006,1.34881 13.5404,1.00889 1.3858,-0.10376 7.3373,-2.41388 7.4339,-1.80539 -0.8088,1.51264 -1.3281,8.95902 -0.9026,12.74392 -0.048,3.67364 4.2104,13.185678 4.7258,16.301598 -6.2214,-3.7242 -10.8332,-4.65144 -16.8326,-2.86738 -1.4668,0.43619 -4.9364,0.65078 -5.4161,-1.22129 -0.3319,-0.9558 -0.1654,-1.68547 -0.2851,-2.81429 -0.3428,-3.234708 0.199,1.38645 -0.5645,-1.64609 -1.3637,-5.415678 -2.6019,-15.465268 -3.0267,-20.390268 z"
+ id="path578"
+ style="fill:url(#e);stroke:url(#f);stroke-width:0.184429" />
+ <path
+ fill="url(#g)"
+ fill-rule="evenodd"
+ stroke="url(#h)"
+ stroke-linejoin="bevel"
+ d="m 1441.4765,78.008052 c 3.1878,0.59363 8.5164,1.0775 10.1753,0.48812 1.6589,-0.58939 3.3734,-1.7382 5.3317,-2.32793 2.0146,-0.60667 2.8658,0.17705 3.154,2.14019 0.7112,6.72884 2.5524,18.71475 2.7033,24.405628 -1.2763,-2.7021 -5.1047,-2.24183 -11.6771,3.90491 -0.01,-2.29749 0.2598,-9.695108 -2.3655,-14.718478 -2.6252,-5.02337 -3.1559,-7.78347 -4.4681,-9.57452 -1.3122,-1.79105 -2.7366,-3.28337 -2.8536,-4.31792 z"
+ id="path580"
+ style="fill:url(#g);stroke:url(#h);stroke-width:0.184429" />
+ </g>
+</svg>
diff --git a/presentation/Nix_logo.svg b/presentation/Nix_logo.svg
new file mode 100644
index 0000000..40dee5f
--- /dev/null
+++ b/presentation/Nix_logo.svg
@@ -0,0 +1,424 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Inkscape (http://www.inkscape.org/) -->
+
+<svg
+ width="154.59mm"
+ height="136.685mm"
+ viewBox="0 0 547.76018 484.31691"
+ id="svg2"
+ version="1.1"
+ inkscape:version="1.3.2 (091e20ef0f, 2023-11-25)"
+ sodipodi:docname="nixos-logo-notext.svg"
+ xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
+ xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
+ xmlns:xlink="http://www.w3.org/1999/xlink"
+ xmlns="http://www.w3.org/2000/svg"
+ xmlns:svg="http://www.w3.org/2000/svg"
+ xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+ xmlns:cc="http://creativecommons.org/ns#"
+ xmlns:dc="http://purl.org/dc/elements/1.1/">
+ <defs
+ id="defs4">
+ <linearGradient
+ inkscape:collect="always"
+ id="linearGradient5562">
+ <stop
+ style="stop-color:#699ad7;stop-opacity:1"
+ offset="0"
+ id="stop5564" />
+ <stop
+ id="stop5566"
+ offset="0.24345198"
+ style="stop-color:#7eb1dd;stop-opacity:1" />
+ <stop
+ style="stop-color:#7ebae4;stop-opacity:1"
+ offset="1"
+ id="stop5568" />
+ </linearGradient>
+ <linearGradient
+ inkscape:collect="always"
+ id="linearGradient5053">
+ <stop
+ style="stop-color:#415e9a;stop-opacity:1"
+ offset="0"
+ id="stop5055" />
+ <stop
+ id="stop5057"
+ offset="0.23168644"
+ style="stop-color:#4a6baf;stop-opacity:1" />
+ <stop
+ style="stop-color:#5277c3;stop-opacity:1"
+ offset="1"
+ id="stop5059" />
+ </linearGradient>
+ <linearGradient
+ id="linearGradient5960"
+ inkscape:collect="always">
+ <stop
+ id="stop5962"
+ offset="0"
+ style="stop-color:#637ddf;stop-opacity:1" />
+ <stop
+ style="stop-color:#649afa;stop-opacity:1"
+ offset="0.23168644"
+ id="stop5964" />
+ <stop
+ id="stop5966"
+ offset="1"
+ style="stop-color:#719efa;stop-opacity:1" />
+ </linearGradient>
+ <linearGradient
+ y2="515.97058"
+ x2="282.26105"
+ y1="338.62445"
+ x1="213.95642"
+ gradientTransform="translate(983.36076,601.38885)"
+ gradientUnits="userSpaceOnUse"
+ id="linearGradient5855"
+ xlink:href="#linearGradient5960"
+ inkscape:collect="always" />
+ <linearGradient
+ inkscape:collect="always"
+ xlink:href="#linearGradient5562"
+ id="linearGradient5384"
+ gradientUnits="userSpaceOnUse"
+ gradientTransform="translate(70.650339,-1055.1511)"
+ x1="200.59668"
+ y1="351.41116"
+ x2="290.08701"
+ y2="506.18814" />
+ <linearGradient
+ inkscape:collect="always"
+ xlink:href="#linearGradient5053"
+ id="linearGradient5386"
+ gradientUnits="userSpaceOnUse"
+ gradientTransform="translate(864.69589,-1491.3405)"
+ x1="-584.19934"
+ y1="782.33563"
+ x2="-496.29703"
+ y2="937.71399" />
+ </defs>
+ <sodipodi:namedview
+ id="base"
+ pagecolor="#ffffff"
+ bordercolor="#666666"
+ borderopacity="1.0"
+ inkscape:pageopacity="0.0"
+ inkscape:pageshadow="2"
+ inkscape:zoom="0.28677972"
+ inkscape:cx="113.3274"
+ inkscape:cy="359.16069"
+ inkscape:document-units="px"
+ inkscape:current-layer="g5329"
+ showgrid="false"
+ inkscape:window-width="2048"
+ inkscape:window-height="1080"
+ inkscape:window-x="0"
+ inkscape:window-y="0"
+ inkscape:window-maximized="1"
+ inkscape:snap-global="true"
+ fit-margin-top="0"
+ fit-margin-left="0"
+ fit-margin-right="0"
+ fit-margin-bottom="0"
+ inkscape:showpageshadow="0"
+ inkscape:pagecheckerboard="0"
+ inkscape:deskcolor="#505050" />
+ <metadata
+ id="metadata7">
+ <rdf:RDF>
+ <cc:Work
+ rdf:about="">
+ <dc:format>image/svg+xml</dc:format>
+ <dc:type
+ rdf:resource="http://purl.org/dc/dcmitype/StillImage" />
+ </cc:Work>
+ </rdf:RDF>
+ </metadata>
+ <g
+ inkscape:groupmode="layer"
+ id="layer7"
+ inkscape:label="bg"
+ style="display:none">
+ <rect
+ transform="translate(-132.5822,958.04022)"
+ style="color:#000000;clip-rule:nonzero;display:inline;overflow:visible;visibility:visible;opacity:1;isolation:auto;mix-blend-mode:normal;color-interpolation:sRGB;color-interpolation-filters:linearRGB;solid-color:#000000;solid-opacity:1;fill:#ffffff;fill-opacity:1;fill-rule:evenodd;stroke:none;stroke-width:3;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-dasharray:none;stroke-dashoffset:0;stroke-opacity:1;marker:none;color-rendering:auto;image-rendering:auto;shape-rendering:auto;text-rendering:auto;enable-background:accumulate"
+ id="rect5389"
+ width="1543.4283"
+ height="483.7439"
+ x="132.5822"
+ y="-957.77832" />
+ </g>
+ <g
+ inkscape:groupmode="layer"
+ id="layer5"
+ inkscape:label="guide"
+ style="display:none;opacity:0.516"
+ transform="translate(-132.5822,958.04022)">
+ <rect
+ y="-957.77832"
+ x="132.5822"
+ height="483.7439"
+ width="1543.4283"
+ id="rect5350"
+ style="color:#000000;clip-rule:nonzero;display:inline;overflow:visible;visibility:visible;opacity:1;isolation:auto;mix-blend-mode:normal;color-interpolation:sRGB;color-interpolation-filters:linearRGB;solid-color:#000000;solid-opacity:1;fill:#d4d4d4;fill-opacity:1;fill-rule:evenodd;stroke:none;stroke-width:3;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-dasharray:none;stroke-dashoffset:0;stroke-opacity:1;marker:none;color-rendering:auto;image-rendering:auto;shape-rendering:auto;text-rendering:auto;enable-background:accumulate" />
+ <rect
+ style="color:#000000;clip-rule:nonzero;display:inline;overflow:visible;visibility:visible;opacity:1;isolation:auto;mix-blend-mode:normal;color-interpolation:sRGB;color-interpolation-filters:linearRGB;solid-color:#000000;solid-opacity:1;fill:#9b9b9b;fill-opacity:1;fill-rule:evenodd;stroke:none;stroke-width:3;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-dasharray:none;stroke-dashoffset:0;stroke-opacity:1;marker:none;color-rendering:auto;image-rendering:auto;shape-rendering:auto;text-rendering:auto;enable-background:accumulate"
+ id="rect5346"
+ width="1496.443"
+ height="435.68069"
+ x="155.77646"
+ y="-933.38721"
+ inkscape:export-xdpi="17.971878"
+ inkscape:export-ydpi="17.971878" />
+ <rect
+ y="-851.65918"
+ x="159.02695"
+ height="272.58423"
+ width="1492.5731"
+ id="rect5348"
+ style="color:#000000;clip-rule:nonzero;display:inline;overflow:visible;visibility:visible;opacity:1;isolation:auto;mix-blend-mode:normal;color-interpolation:sRGB;color-interpolation-filters:linearRGB;solid-color:#000000;solid-opacity:1;fill:#848484;fill-opacity:1;fill-rule:evenodd;stroke:none;stroke-width:3;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-dasharray:none;stroke-dashoffset:0;stroke-opacity:1;marker:none;color-rendering:auto;image-rendering:auto;shape-rendering:auto;text-rendering:auto;enable-background:accumulate" />
+ </g>
+ <g
+ inkscape:groupmode="layer"
+ id="layer6"
+ inkscape:label="logo-guide"
+ style="display:none"
+ transform="translate(-132.5822,958.04022)">
+ <rect
+ y="-958.02759"
+ x="132.65129"
+ height="484.30399"
+ width="550.41602"
+ id="rect5379"
+ style="color:#000000;clip-rule:nonzero;display:inline;overflow:visible;visibility:visible;opacity:1;isolation:auto;mix-blend-mode:normal;color-interpolation:sRGB;color-interpolation-filters:linearRGB;solid-color:#000000;solid-opacity:1;fill:#5c201e;fill-opacity:1;fill-rule:evenodd;stroke:none;stroke-width:3;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-dasharray:none;stroke-dashoffset:0;stroke-opacity:1;marker:none;color-rendering:auto;image-rendering:auto;shape-rendering:auto;text-rendering:auto;enable-background:accumulate"
+ inkscape:export-filename="/home/tim/dev/nix/homepage/logo/nix-wiki.png"
+ inkscape:export-xdpi="22.07"
+ inkscape:export-ydpi="22.07" />
+ <rect
+ style="color:#000000;clip-rule:nonzero;display:inline;overflow:visible;visibility:visible;opacity:1;isolation:auto;mix-blend-mode:normal;color-interpolation:sRGB;color-interpolation-filters:linearRGB;solid-color:#000000;solid-opacity:1;fill:#c24a46;fill-opacity:1;fill-rule:evenodd;stroke:none;stroke-width:3;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-dasharray:none;stroke-dashoffset:0;stroke-opacity:1;marker:none;color-rendering:auto;image-rendering:auto;shape-rendering:auto;text-rendering:auto;enable-background:accumulate"
+ id="rect5372"
+ width="501.94415"
+ height="434.30405"
+ x="156.12303"
+ y="-933.02759"
+ inkscape:export-filename="/home/tim/dev/nix/homepage/logo/nixos-logo-only-hires-print.png"
+ inkscape:export-xdpi="212.2"
+ inkscape:export-ydpi="212.2" />
+ <rect
+ style="color:#000000;clip-rule:nonzero;display:inline;overflow:visible;visibility:visible;opacity:1;isolation:auto;mix-blend-mode:normal;color-interpolation:sRGB;color-interpolation-filters:linearRGB;solid-color:#000000;solid-opacity:1;fill:#d98d8a;fill-opacity:1;fill-rule:evenodd;stroke:none;stroke-width:3;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-dasharray:none;stroke-dashoffset:0;stroke-opacity:1;marker:none;color-rendering:auto;image-rendering:auto;shape-rendering:auto;text-rendering:auto;enable-background:accumulate"
+ id="rect5381"
+ width="24.939611"
+ height="24.939611"
+ x="658.02826"
+ y="-958.04022" />
+ </g>
+ <g
+ inkscape:label="print-logo"
+ inkscape:groupmode="layer"
+ id="layer1"
+ style="display:inline"
+ sodipodi:insensitive="true"
+ transform="translate(-132.5822,958.04022)">
+ <path
+ style="color:#000000;clip-rule:nonzero;display:inline;overflow:visible;visibility:visible;opacity:1;isolation:auto;mix-blend-mode:normal;color-interpolation:sRGB;color-interpolation-filters:linearRGB;solid-color:#000000;solid-opacity:1;fill:#5277c3;fill-opacity:1;fill-rule:evenodd;stroke:none;stroke-width:3;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-dasharray:none;stroke-dashoffset:0;stroke-opacity:1;color-rendering:auto;image-rendering:auto;shape-rendering:auto;text-rendering:auto;enable-background:accumulate"
+ d="m 309.40365,-710.2521 122.19683,211.6751 -56.15706,0.5268 -32.6236,-56.8692 -32.85645,56.5653 -27.90237,-0.011 -14.29086,-24.6896 46.81047,-80.4902 -33.22946,-57.8256 z"
+ id="path4861"
+ inkscape:connector-curvature="0"
+ sodipodi:nodetypes="cccccccccc" />
+ <path
+ style="color:#000000;clip-rule:nonzero;display:inline;overflow:visible;visibility:visible;opacity:1;isolation:auto;mix-blend-mode:normal;color-interpolation:sRGB;color-interpolation-filters:linearRGB;solid-color:#000000;solid-opacity:1;fill:#7ebae4;fill-opacity:1;fill-rule:evenodd;stroke:none;stroke-width:3;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-dasharray:none;stroke-dashoffset:0;stroke-opacity:1;color-rendering:auto;image-rendering:auto;shape-rendering:auto;text-rendering:auto;enable-background:accumulate"
+ d="m 353.50926,-797.4433 -122.21756,211.6631 -28.53477,-48.37 32.93839,-56.6875 -65.41521,-0.1719 -13.9414,-24.1698 14.23637,-24.721 93.11177,0.2939 33.46371,-57.6903 z"
+ id="use4863"
+ inkscape:connector-curvature="0"
+ sodipodi:nodetypes="cccccccccc" />
+ <path
+ style="color:#000000;clip-rule:nonzero;display:inline;overflow:visible;visibility:visible;opacity:1;isolation:auto;mix-blend-mode:normal;color-interpolation:sRGB;color-interpolation-filters:linearRGB;solid-color:#000000;solid-opacity:1;fill:#7ebae4;fill-opacity:1;fill-rule:evenodd;stroke:none;stroke-width:3;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-dasharray:none;stroke-dashoffset:0;stroke-opacity:1;color-rendering:auto;image-rendering:auto;shape-rendering:auto;text-rendering:auto;enable-background:accumulate"
+ d="m 362.88537,-628.243 244.41439,0.012 -27.62229,48.8968 -65.56199,-0.1817 32.55876,56.7371 -13.96098,24.1585 -28.52722,0.032 -46.3013,-80.7841 -66.69317,-0.1353 z"
+ id="use4865"
+ inkscape:connector-curvature="0"
+ sodipodi:nodetypes="cccccccccc" />
+ <path
+ style="color:#000000;clip-rule:nonzero;display:inline;overflow:visible;visibility:visible;opacity:1;isolation:auto;mix-blend-mode:normal;color-interpolation:sRGB;color-interpolation-filters:linearRGB;solid-color:#000000;solid-opacity:1;fill:#7ebae4;fill-opacity:1;fill-rule:evenodd;stroke:none;stroke-width:3;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-dasharray:none;stroke-dashoffset:0;stroke-opacity:1;color-rendering:auto;image-rendering:auto;shape-rendering:auto;text-rendering:auto;enable-background:accumulate"
+ d="m 505.14318,-720.9886 -122.19683,-211.6751 56.15706,-0.5268 32.6236,56.8692 32.85645,-56.5653 27.90237,0.011 14.29086,24.6896 -46.81047,80.4902 33.22946,57.8256 z"
+ id="use4867"
+ inkscape:connector-curvature="0"
+ sodipodi:nodetypes="cccccccccc" />
+ <path
+ sodipodi:nodetypes="cccccccccc"
+ inkscape:connector-curvature="0"
+ id="path4873"
+ d="m 309.40365,-710.2521 122.19683,211.6751 -56.15706,0.5268 -32.6236,-56.8692 -32.85645,56.5653 -27.90237,-0.011 -14.29086,-24.6896 46.81047,-80.4902 -33.22946,-57.8256 z"
+ style="color:#000000;clip-rule:nonzero;display:inline;overflow:visible;visibility:visible;opacity:1;isolation:auto;mix-blend-mode:normal;color-interpolation:sRGB;color-interpolation-filters:linearRGB;solid-color:#000000;solid-opacity:1;fill:#5277c3;fill-opacity:1;fill-rule:evenodd;stroke:none;stroke-width:3;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-dasharray:none;stroke-dashoffset:0;stroke-opacity:1;color-rendering:auto;image-rendering:auto;shape-rendering:auto;text-rendering:auto;enable-background:accumulate" />
+ <path
+ sodipodi:nodetypes="cccccccccc"
+ inkscape:connector-curvature="0"
+ id="use4875"
+ d="m 451.3364,-803.53264 -244.4144,-0.012 27.62229,-48.89685 65.56199,0.18175 -32.55875,-56.73717 13.96097,-24.15851 28.52722,-0.0315 46.3013,80.78414 66.69317,0.13524 z"
+ style="color:#000000;clip-rule:nonzero;display:inline;overflow:visible;visibility:visible;opacity:1;isolation:auto;mix-blend-mode:normal;color-interpolation:sRGB;color-interpolation-filters:linearRGB;solid-color:#000000;solid-opacity:1;fill:#5277c3;fill-opacity:1;fill-rule:evenodd;stroke:none;stroke-width:3;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-dasharray:none;stroke-dashoffset:0;stroke-opacity:1;color-rendering:auto;image-rendering:auto;shape-rendering:auto;text-rendering:auto;enable-background:accumulate" />
+ <path
+ sodipodi:nodetypes="cccccccccc"
+ inkscape:connector-curvature="0"
+ id="use4877"
+ d="m 460.87178,-633.8425 122.21757,-211.66304 28.53477,48.37003 -32.93839,56.68751 65.4152,0.1718 13.9414,24.1698 -14.23636,24.7211 -93.11177,-0.294 -33.46371,57.6904 z"
+ style="color:#000000;clip-rule:nonzero;display:inline;overflow:visible;visibility:visible;opacity:1;isolation:auto;mix-blend-mode:normal;color-interpolation:sRGB;color-interpolation-filters:linearRGB;solid-color:#000000;solid-opacity:1;fill:#5277c3;fill-opacity:1;fill-rule:evenodd;stroke:none;stroke-width:3;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-dasharray:none;stroke-dashoffset:0;stroke-opacity:1;color-rendering:auto;image-rendering:auto;shape-rendering:auto;text-rendering:auto;enable-background:accumulate" />
+ <g
+ id="layer2"
+ inkscape:label="guides"
+ style="display:none"
+ transform="translate(72.039038,-1799.4476)">
+ <path
+ d="M 460.60629,594.72881 209.74183,594.7288 84.309616,377.4738 209.74185,160.21882 l 250.86446,1e-5 125.43222,217.255 z"
+ inkscape:randomized="0"
+ inkscape:rounded="0"
+ inkscape:flatsided="true"
+ sodipodi:arg2="1.5707963"
+ sodipodi:arg1="1.0471976"
+ sodipodi:r2="217.25499"
+ sodipodi:r1="250.86446"
+ sodipodi:cy="377.47382"
+ sodipodi:cx="335.17407"
+ sodipodi:sides="6"
+ id="path6032"
+ style="color:#000000;display:inline;overflow:visible;visibility:visible;opacity:0.236;fill:#4e4d52;fill-opacity:1;fill-rule:nonzero;stroke:none;stroke-width:3;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-dasharray:none;stroke-dashoffset:0;stroke-opacity:1;marker:none;enable-background:accumulate"
+ sodipodi:type="star" />
+ <path
+ transform="translate(0,-308.26772)"
+ sodipodi:type="star"
+ style="color:#000000;display:inline;overflow:visible;visibility:visible;opacity:1;fill:#4e4d52;fill-opacity:1;fill-rule:nonzero;stroke:none;stroke-width:3;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-dasharray:none;stroke-dashoffset:0;stroke-opacity:1;marker:none;enable-background:accumulate"
+ id="path5875"
+ sodipodi:sides="6"
+ sodipodi:cx="335.17407"
+ sodipodi:cy="685.74158"
+ sodipodi:r1="100.83495"
+ sodipodi:r2="87.32563"
+ sodipodi:arg1="1.0471976"
+ sodipodi:arg2="1.5707963"
+ inkscape:flatsided="true"
+ inkscape:rounded="0"
+ inkscape:randomized="0"
+ d="m 385.59154,773.06721 -100.83495,0 -50.41747,-87.32564 50.41748,-87.32563 100.83495,10e-6 50.41748,87.32563 z" />
+ <path
+ transform="translate(0,-308.26772)"
+ sodipodi:nodetypes="ccccccccc"
+ inkscape:connector-curvature="0"
+ id="path5851"
+ d="m 1216.5591,938.53395 123.0545,228.14035 -42.6807,-1.2616 -43.4823,-79.7725 -39.6506,80.3267 -32.6875,-19.7984 53.4737,-100.2848 -37.1157,-73.88955 z"
+ style="fill:url(#linearGradient5855);fill-opacity:1;fill-rule:evenodd;stroke:none;stroke-width:3;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-dasharray:none;stroke-opacity:1" />
+ <rect
+ style="color:#000000;clip-rule:nonzero;display:inline;overflow:visible;visibility:visible;opacity:0.415;isolation:auto;mix-blend-mode:normal;color-interpolation:sRGB;color-interpolation-filters:linearRGB;solid-color:#000000;solid-opacity:1;fill:#c53a3a;fill-opacity:1;fill-rule:nonzero;stroke:none;stroke-width:3;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-dasharray:none;stroke-dashoffset:0;stroke-opacity:1;marker:none;color-rendering:auto;image-rendering:auto;shape-rendering:auto;text-rendering:auto;enable-background:accumulate"
+ id="rect5884"
+ width="48.834862"
+ height="226.22897"
+ x="-34.74221"
+ y="446.17056"
+ transform="rotate(-30)" />
+ <path
+ transform="translate(0,-308.26772)"
+ sodipodi:type="star"
+ style="color:#000000;clip-rule:nonzero;display:inline;overflow:visible;visibility:visible;opacity:0.509;isolation:auto;mix-blend-mode:normal;color-interpolation:sRGB;color-interpolation-filters:linearRGB;solid-color:#000000;solid-opacity:1;fill:#000000;fill-opacity:1;fill-rule:evenodd;stroke:none;stroke-width:3;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-dasharray:none;stroke-dashoffset:0;stroke-opacity:1;marker:none;color-rendering:auto;image-rendering:auto;shape-rendering:auto;text-rendering:auto;enable-background:accumulate"
+ id="path3428"
+ sodipodi:sides="6"
+ sodipodi:cx="223.93674"
+ sodipodi:cy="878.63831"
+ sodipodi:r1="28.048939"
+ sodipodi:r2="24.291094"
+ sodipodi:arg1="0"
+ sodipodi:arg2="0.52359878"
+ inkscape:flatsided="true"
+ inkscape:rounded="0"
+ inkscape:randomized="0"
+ d="m 251.98568,878.63831 -14.02447,24.29109 h -28.04894 l -14.02447,-24.29109 14.02447,-24.2911 h 28.04894 z" />
+ <use
+ x="0"
+ y="0"
+ xlink:href="#rect5884"
+ id="use4252"
+ transform="rotate(60,268.29786,489.4515)"
+ width="100%"
+ height="100%" />
+ <rect
+ style="color:#000000;clip-rule:nonzero;display:inline;overflow:visible;visibility:visible;opacity:1;isolation:auto;mix-blend-mode:normal;color-interpolation:sRGB;color-interpolation-filters:linearRGB;solid-color:#000000;solid-opacity:1;fill:#000000;fill-opacity:0.650794;fill-rule:evenodd;stroke:none;stroke-width:1px;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:none;stroke-dashoffset:0;stroke-opacity:1;marker:none;color-rendering:auto;image-rendering:auto;shape-rendering:auto;text-rendering:auto;enable-background:accumulate"
+ id="rect4254"
+ width="5.3947482"
+ height="115.12564"
+ x="545.71014"
+ y="467.07007"
+ transform="rotate(30,575.23539,-154.13386)" />
+ </g>
+ </g>
+ <g
+ inkscape:groupmode="layer"
+ id="layer3"
+ inkscape:label="gradient-logo"
+ style="display:inline;opacity:1"
+ sodipodi:insensitive="true"
+ transform="translate(-132.5822,958.04022)">
+ <path
+ sodipodi:nodetypes="cccccccccc"
+ inkscape:connector-curvature="0"
+ id="path3336-6"
+ d="m 309.54892,-710.38827 122.19683,211.67512 -56.15706,0.5268 -32.6236,-56.8692 -32.85645,56.5653 -27.90237,-0.011 -14.29086,-24.6896 46.81047,-80.4901 -33.22946,-57.8257 z"
+ style="opacity:1;fill:url(#linearGradient5384);fill-opacity:1;fill-rule:evenodd;stroke:none;stroke-width:3;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-dasharray:none;stroke-opacity:1" />
+ <use
+ height="100%"
+ width="100%"
+ transform="rotate(60,407.11155,-715.78724)"
+ id="use3439-6"
+ inkscape:transform-center-y="151.59082"
+ inkscape:transform-center-x="124.43045"
+ xlink:href="#path3336-6"
+ y="0"
+ x="0" />
+ <use
+ height="100%"
+ width="100%"
+ transform="rotate(-60,407.31177,-715.70016)"
+ id="use3445-0"
+ inkscape:transform-center-y="75.573958"
+ inkscape:transform-center-x="-168.20651"
+ xlink:href="#path3336-6"
+ y="0"
+ x="0" />
+ <use
+ height="100%"
+ width="100%"
+ transform="rotate(180,407.41868,-715.7565)"
+ id="use3449-5"
+ inkscape:transform-center-y="-139.94592"
+ inkscape:transform-center-x="59.669705"
+ xlink:href="#path3336-6"
+ y="0"
+ x="0" />
+ <path
+ style="color:#000000;clip-rule:nonzero;display:inline;overflow:visible;visibility:visible;opacity:1;isolation:auto;mix-blend-mode:normal;color-interpolation:sRGB;color-interpolation-filters:linearRGB;solid-color:#000000;solid-opacity:1;fill:url(#linearGradient5386);fill-opacity:1;fill-rule:evenodd;stroke:none;stroke-width:3;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-dasharray:none;stroke-dashoffset:0;stroke-opacity:1;color-rendering:auto;image-rendering:auto;shape-rendering:auto;text-rendering:auto;enable-background:accumulate"
+ d="m 309.54892,-710.38827 122.19683,211.67512 -56.15706,0.5268 -32.6236,-56.8692 -32.85645,56.5653 -27.90237,-0.011 -14.29086,-24.6896 46.81047,-80.4901 -33.22946,-57.8256 z"
+ id="path4260-0"
+ inkscape:connector-curvature="0"
+ sodipodi:nodetypes="cccccccccc" />
+ <use
+ height="100%"
+ width="100%"
+ transform="rotate(120,407.33916,-716.08356)"
+ id="use4354-5"
+ xlink:href="#path4260-0"
+ y="0"
+ x="0"
+ style="display:inline" />
+ <use
+ height="100%"
+ width="100%"
+ transform="rotate(-120,407.28823,-715.86995)"
+ id="use4362-2"
+ xlink:href="#path4260-0"
+ y="0"
+ x="0"
+ style="display:inline" />
+ </g>
+ <g
+ style="display:inline"
+ inkscape:label="text-vegur"
+ id="g5329"
+ inkscape:groupmode="layer"
+ transform="translate(-132.5822,958.04022)" />
+</svg>
diff --git a/presentation/Red_flag_waving.svg b/presentation/Red_flag_waving.svg
new file mode 100644
index 0000000..2fe3305
--- /dev/null
+++ b/presentation/Red_flag_waving.svg
@@ -0,0 +1,28 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" width="249" height="268" version="1.0">
+ <defs>
+ <linearGradient id="b">
+ <stop offset="0" stop-color="#c82a00"/>
+ <stop offset=".52" stop-color="#5f1802"/>
+ <stop offset=".67" stop-color="#5f1802"/>
+ <stop offset="1" stop-color="#bf3415"/>
+ </linearGradient>
+ <linearGradient id="c">
+ <stop offset="0" stop-color="#783000"/>
+ <stop offset=".75"/>
+ <stop offset="1" stop-color="#642800"/>
+ </linearGradient>
+ <linearGradient id="a">
+ <stop offset="0" stop-color="#b92c10"/>
+ <stop offset="1" stop-color="#621805"/>
+ </linearGradient>
+ <linearGradient xlink:href="#a" id="g" x1="48.975147" x2="117.85719" y1="87.787521" y2="77.99485" gradientUnits="userSpaceOnUse"/>
+ <linearGradient xlink:href="#b" id="e" x1="116.57422" x2="221.6933" y1="98.310341" y2="94.320732" gradientUnits="userSpaceOnUse"/>
+ <linearGradient xlink:href="#c" id="d" x1="-3.7498047" x2="4.318048" y1="144.07323" y2="144.07323" gradientUnits="userSpaceOnUse"/>
+ <radialGradient xlink:href="#a" id="f" cx="175.42162" cy="98.310333" r="72.10807" fx="175.42162" fy="98.310333" gradientTransform="matrix(1 0 0 1.17434 0 -17.13943)" gradientUnits="userSpaceOnUse"/>
+ <radialGradient xlink:href="#a" id="h" cx="67.081421" cy="84.330505" r="58.420074" fx="67.081421" fy="84.330505" gradientTransform="matrix(1 0 0 1.43098 0 -36.345183)" gradientUnits="userSpaceOnUse"/>
+ </defs>
+ <rect width="8.067853" height="270.80246" x="-3.7498047" y="8.6719856" fill="url(#d)" color="#000" overflow="visible" rx="4.0339265" ry="4.0339265" transform="matrix(.893 -.45004 .32183 .9468 0 0)"/>
+ <path fill="url(#e)" fill-rule="evenodd" stroke="url(#f)" stroke-linejoin="bevel" d="M105.3763 25.576935c-2.30331-26.7039653-3.52694 1.367589 7.19783 3.742874 23.98526 6.09621 48.80235 7.313438 73.41791 5.470354 7.51418-.562622 39.78374-13.08841 40.30788-9.789054-4.38571 8.201727-7.20126 48.576969-4.89453 69.09921-.25876 19.918951 22.8294 71.494501 25.62429 88.389411-33.73353-20.19311-58.73921-25.22073-91.26854-15.54733-7.9533 2.36511-26.76618 3.52866-29.36717-6.622-1.79946-5.18244-.89678-9.13881-1.54548-15.25941-1.8589-17.53904 1.07903 7.51749-3.06113-8.92532-7.39374-29.36454-14.10775-83.85477-16.41106-110.558735z"/>
+ <path fill="url(#g)" fill-rule="evenodd" stroke="url(#h)" stroke-linejoin="bevel" d="M9.1613476 12.296609C26.445948 15.515347 55.33847 18.138952 64.333019 14.943221 73.327567 11.74749 82.624071 5.5184845 93.24216 2.3209195c10.92332-3.28948447 15.53899.9599966 17.10118 11.6043735 3.85668 36.484659 13.83963 101.473877 14.65816 132.330577-6.92064-14.65115-27.6787-12.15554-63.315093 21.17289-.027285-12.45729 1.408498-52.56812-12.825886-79.805515-14.234384-27.237396-17.111832-42.202997-24.226675-51.914303C17.519003 25.997636 9.7958865 17.90609 9.1613476 12.296609z"/>
+</svg> \ No newline at end of file
diff --git a/presentation/ctf-guix-store-onlynotes.pdf b/presentation/ctf-guix-store-onlynotes.pdf
new file mode 100644
index 0000000..21bd9ff
--- /dev/null
+++ b/presentation/ctf-guix-store-onlynotes.pdf
Binary files differ
diff --git a/presentation/ctf-guix-store-withnotes.pdf b/presentation/ctf-guix-store-withnotes.pdf
new file mode 100644
index 0000000..7364b15
--- /dev/null
+++ b/presentation/ctf-guix-store-withnotes.pdf
Binary files differ
diff --git a/presentation/ctf-guix-store.pdf b/presentation/ctf-guix-store.pdf
new file mode 100644
index 0000000..2259a4f
--- /dev/null
+++ b/presentation/ctf-guix-store.pdf
Binary files differ
diff --git a/presentation/ctf-guix-store.tex b/presentation/ctf-guix-store.tex
new file mode 100644
index 0000000..65ecebd
--- /dev/null
+++ b/presentation/ctf-guix-store.tex
@@ -0,0 +1,295 @@
+\documentclass[notes]{beamer}
+\usetheme{Rochester}
+\usecolortheme{seagull}
+\usepackage{svg}
+\usepackage[export]{adjustbox}
+
+% \setbeameroption{show notes}
+
+\title{CTF — GNU Guix storefile mistake}
+
+\begin{document}
+
+\frame{
+ \titlepage
+ \begin{figure}[h]
+ \includesvg[height=0.25\textheight]{Guix_logo_with_flag.svg}
+ \end{figure}
+}
+
+
+\begin{frame}{Functional package management in a pill}
+ \begin{itemize}
+ \item Dolstra, Eelco (2006). ``The Purely Functional Software Deployment
+ Model'' (Ph.D.). Utrecht University
+ \item pioneered by Nix \includesvg[height=\baselineskip]{Nix_logo.svg}
+ \item also employed by GNU Guix
+ \includesvg[height=\baselineskip]{Guix_logo.svg}
+ \item no Filesystem Hierarchy Standard (no /usr/bin, /usr/share, etc.)
+ \item packages live in a \textbf{store} directory, e.g.
+ \begin{itemize}
+ \item /gnu/store/y0d8ab1mi6lh0a3vpx5lyd4ksq9wbn4x-orc-0.4.32
+ \item /gnu/store/9pypr3c3y379shbwm9ilb4pik9mkfd83-mesa-22.2.4
+ \item /gnu/store/rv91v4s30kcjh7xq6k4l2njklk79frxk-freeglut-3.4.0
+ \item /gnu/store/30zfbjasrsk2wg8nhsd1xgi3q3n9796z-less-608
+ \end{itemize}
+ \item a daemon \includesvg[height=\baselineskip]{Awesome_Demon.svg} builds
+ packages from definitions and puts them in the store
+ \end{itemize}
+\end{frame}
+
+\note{
+ \begin{itemize}
+ \item we're using GNU Guix here (no, not the trademarked GUIX…)
+ \item store filename determine by hash of package inputs + definition
+ \item multiple versions of a package can coexist
+ \item per-project development environments
+ \item easy rollbacks
+ \item emphasis on reproducible builds
+ \end{itemize}
+}
+
+\begin{frame}[fragile]{Functional package management in a pill (sample package)}
+ \small
+\begin{verbatim}
+$ cd /gnu/store/30zfbjasrsk2wg8nhsd1xgi3q3n9796z-less-608/
+$ find . -type f
+./bin/less
+./bin/lessecho
+./bin/lesskey
+./etc/ld.so.cache
+./share/doc/less-608/LICENSE
+./share/doc/less-608/COPYING
+./share/man/man1/lessecho.1.gz
+./share/man/man1/lesskey.1.gz
+./share/man/man1/less.1.gz
+$ ls -lh bin/less
+-r-xr-xr-x 2 root root 192K Jan 1 1970 bin/less
+\end{verbatim}
+\end{frame}
+
+\note{
+ \begin{itemize}
+ \item store is read-only (only Nix/Guix daemon can write)
+ \item store files are root-owned and world-readable => secrets must be managed
+ differently
+ \item dates set to Epoch (but ls -lch shows real creation time)
+ \item the same package won't be built twice, even if requested by multiple
+ users
+ \item a package will built again (or grafted) when one of its dependencies
+ gets updated
+ \item a package not in use can be garbage-collected
+ \item no support for quotas yet as of 2024
+ \end{itemize}
+}
+
+\begin{frame}[fragile]{Functional package management in a pill (declarative OS)}
+ \begin{itemize}
+ \item \textbf{packages} are defined declaratively
+ \pause
+ \item \textbf{services} are defined declaratively as well
+ \pause
+ \item service \textbf{configurations} are defined declaratively \textit{as
+ well}… {\small
+\begin{verbatim}
+(service httpd-service-type
+ (httpd-configuration
+ (config
+ (httpd-config-file
+ (server-name "www.example.com")
+ (document-root "/var/public_html")))))
+\end{verbatim}
+ }
+ \begin{itemize}
+ \item …and result in store files like
+ /gnu/store/54ywa5x1b75simbvzhxqkfxsjk040ail-httpd.conf
+ \end{itemize}
+ \item Yay, we can replace Ansible! But what about secrets?
+ \begin{itemize}
+ \item option 1: keep private keys and passwords outside the store
+ \item option 2: put them encrypted in the store
+ \end{itemize}
+ \end{itemize}
+\end{frame}
+
+\note{
+ \begin{itemize}
+ \item GNU Guix and Nix have their DSLs (the first one is actually Scheme Lisp
+ + some APIs)
+ \item on Guix/Nix server packages and configurations are immutable (we can
+ switch to different ones but not alter the existing ones) — convenient
+ \item an application may require database credentials, some API token, a
+ private key for TLS certificate, etc.
+ \item encrypted secrets in store — one master key kept outside the store
+ \end{itemize}
+}
+
+\begin{frame}{Sensitive information exposure scenario}
+ challenge — password hunt in /gnu/store\\~\\
+
+ \textit{``You're an employee of a secret government agency. Analysis of
+ wiretap recordings have lead the agency to believe that an individual known
+ as Abdul Al-Inh-Ohn-Ih has come into possession of highly classified
+ government documents. If this turn out true and Abdul blows the whistle on
+ information from those materials, years of intelligence efforts shall be
+ ruined.\\~\\}
+
+ \textit{Abdul has been using the Matrix protocol for some of his
+ communication. Your current task is to get access to his Matrix account.
+ Start your investigation by taking a look at his blog.''}
+\end{frame}
+
+\note{
+ A user of certain shared GNU Guix system has put a secret (a password) in
+ /gnu/store by mistake. The CTF competitioneer has to SSH into another account
+ on said system and find the password.
+
+ \begin{itemize}
+ \item we have some lore
+ \item real-world references might be intended or not…
+ \item no direct info about the exposures (one needs to figure this out)
+ \end{itemize}
+}
+
+\begin{frame}{Investigation (Abdul's blog)}
+ \includegraphics[
+ height=\dimexpr\textheight-0.5cm\relax,
+ center
+ ]{screenshots/abdul-blog-index.png}
+\end{frame}
+
+\note{
+ \begin{itemize}
+ \item language — itself a hint Abdul is likely to make mistakes
+ \item only the few relevant blog entries (no misleading of competitioneers)
+ \item mechanics of Guix relevant to the challenge are touched in the posts
+ \item some extra effort required — obtaining a Gemini browser
+ \end{itemize}
+}
+
+\begin{frame}[fragile]{Investigation (peeking through Gemini)}
+ \includegraphics[
+ height=\dimexpr\textheight-0.5cm\relax,
+ center
+ ]{screenshots/gemini-capsule.png}
+\end{frame}
+
+\note{
+ \begin{itemize}
+ \item most relevant parts of blog only accessible through Gemini (a lightweight
+ alternative to HTTP)
+ \item a Gemini browser ``Lagrage'' recommended in HTTP part of Abdul's blog
+ \end{itemize}
+}
+
+\begin{frame}[fragile]{Investigation (Spotting mistakes)}
+ configuration which hits a mistake is included in Abdul's blog
+ \footnotesize
+\begin{verbatim}
+;;; ...
+(list (shepherd-service
+ (provision '(mattermost))
+ (modules '((shepherd support))) ;for '%user-log-dir'
+ (start #~(make-forkexec-constructor
+ '(#$(file-append matterbridge "/bin/matterbridge")
+ "--conf"
+ #$(local-file "config.toml"))
+ #:log-file (string-append %user-log-dir
+ "/matterbridge.log")))
+ (stop #~(make-kill-destructor))
+ (documentation "Start local matterbridge.")))))
+;;; ...
+\end{verbatim}
+\end{frame}
+
+\note{
+ \begin{itemize}
+ \item the config suggests Matrix password is in config.toml in /gnu/store
+ \end{itemize}
+}
+
+\begin{frame}{Investigation (Account creation)}
+ \includegraphics[
+ height=\dimexpr\textheight-0.5cm\relax,
+ center
+ ]{screenshots/account-creation.png}
+\end{frame}
+
+\note{
+ \begin{itemize}
+ \item both Abdul's blog and the server's main website urge one to make an
+ account and log in to the tilde server with SSH
+ \item emails entered not actually used
+ \end{itemize}
+}
+
+\begin{frame}{Hint 1}
+ \includegraphics[
+ height=\dimexpr\textheight-0.5cm\relax,
+ center
+ ]{screenshots/hint1.png}
+\end{frame}
+
+\note{
+ \begin{itemize}
+ \item page with the hint accessible through Gemini only
+ \end{itemize}
+}
+
+\begin{frame}{Hint 2}
+ \includegraphics[
+ height=\dimexpr\textheight-0.5cm\relax,
+ center
+ ]{screenshots/hint2.png}
+\end{frame}
+
+\note{
+ \begin{itemize}
+ \item link to GNU Guix HTML documentation
+ \item suggestion that it has sth to do with the local-file macro (used in
+ Abdul's code)
+ \end{itemize}
+}
+
+\begin{frame}[fragile]{Finding the flag}
+\begin{verbatim}
+~$ (cd /gnu/store && ls -cht *config.toml*)
+qmdh299prllp4fygw893w00lv9ypi5z2-config.toml
+~$
+\end{verbatim}
+
+rather expected contents of qmdh299prllp4fygw893w00lv9ypi5z2-config.toml
+
+\small
+\begin{verbatim}
+# ...
+[matrix.noevil-pl]
+Server="https://matrix.noevil.pl"
+Login="abdul"
+Password="fla\u0067{full_source-bootstrap}"
+RemoteNickFormat="[{PROTOCOL}] <{NICK}> "
+NoHomeServerSuffix=false
+# ...
+\end{verbatim}
+\end{frame}
+
+\note{
+ \begin{itemize}
+ \item ``g'' in flag replaced with unicode escape to make bypassing with
+ recursive grepping harder
+ \end{itemize}
+}
+
+\begin{frame}{Credits}
+ \begin{itemize}
+ \item GNU Guix logo — \copy 2015 Luis Felipe López Acevedo (CC BY-SA 4.0
+ International)
+ \item red flag — by Wikipedia user Wereon, uploaded 2007 (released into
+ public domain)
+ \item Nix logo — \copy 2016 Tim Cuthbertson (CC BY-SA 4.0 International)
+ \item Awesome Demon — by Openclipart user qubodup, uploaded 2014 (released
+ into public domain with CC Zero v1.0)
+ \end{itemize}
+\end{frame}
+
+\end{document}
diff --git a/presentation/screenshots/abdul-blog-index.png b/presentation/screenshots/abdul-blog-index.png
new file mode 100644
index 0000000..c94c5ac
--- /dev/null
+++ b/presentation/screenshots/abdul-blog-index.png
Binary files differ
diff --git a/presentation/screenshots/account-creation.png b/presentation/screenshots/account-creation.png
new file mode 100644
index 0000000..de10a58
--- /dev/null
+++ b/presentation/screenshots/account-creation.png
Binary files differ
diff --git a/presentation/screenshots/gemini-capsule.png b/presentation/screenshots/gemini-capsule.png
new file mode 100644
index 0000000..0821d53
--- /dev/null
+++ b/presentation/screenshots/gemini-capsule.png
Binary files differ
diff --git a/presentation/screenshots/hint1.png b/presentation/screenshots/hint1.png
new file mode 100644
index 0000000..a143e43
--- /dev/null
+++ b/presentation/screenshots/hint1.png
Binary files differ
diff --git a/presentation/screenshots/hint2.png b/presentation/screenshots/hint2.png
new file mode 100644
index 0000000..0a63f3e
--- /dev/null
+++ b/presentation/screenshots/hint2.png
Binary files differ
generated by cgit