--- a/src/server_x11.c	2016-08-01 11:58:54.714647794 +0200
+++ b/src/server_x11.c	2016-08-01 11:58:46.606563478 +0200
@@ -151,7 +151,7 @@ DEFINE_COMMAND(open_forwarded_x11)
 #define X11_MIN_DISPLAY 10
 #define X11_MAX_DISPLAY 1000
 
-/* FIXME: Create the /tmp/.X11-unix directory, if needed. Figure out
+/* FIXME: Figure out
  * if and how we should use /tmp/.X17-lock. Consider using display
  * "unix:17" instead of just ":17".
  */
@@ -253,6 +253,7 @@ open_x11_socket(struct ssh_channel *chan
 
   old_umask = umask(0077);
   
+  mkdir(X11_SOCKET_DIR, S_IRWXU | S_IRWXG | S_IRWXO | S_ISVTX);
   old_cd = lsh_pushd(X11_SOCKET_DIR, &dir, 0, 0);
   if (old_cd < 0)
     {

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<div class='path'>path: <a href='/guix/log/?id=1a988ef6f1fb8a8c7bd608f8e634bf316ebbc24f'>root</a>/<a href='/guix/log/tests?id=1a988ef6f1fb8a8c7bd608f8e634bf316ebbc24f'>tests</a>/<a href='/guix/log/tests/guix-environment-container.sh?id=1a988ef6f1fb8a8c7bd608f8e634bf316ebbc24f'>guix-environment-container.sh</a></div><div class='content'><table class='list nowrap'><tr class='nohover'><th class='left'>Age</th><th class='left'>Commit message (<a href='/guix/log/tests/guix-environment-container.sh?id=1a988ef6f1fb8a8c7bd608f8e634bf316ebbc24f&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2020-10-05 10:41:59 +0200'>2020-10-05</span></td><td><a href='/guix/commit/tests/guix-environment-container.sh?id=b68d4106518abed20ba308831b65dcc69bf120a5'>environment: Turn "lo" up in network-less containers.</a><span class='msg-avail'>...<span class='msg-tooltip'>This is a followup to 0f53c801b91919380a924b402d1ff822bb1dc6ea.

* guix/scripts/environment.scm (launch-environment/container): Add call
to 'set-network-interface-up'.
* tests/guix-environment-container.sh: Add test.
</span></span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2020-10-02 23:28:09 +0200'>2020-10-02</span></td><td><a href='/guix/commit/tests/guix-environment-container.sh?id=0f53c801b91919380a924b402d1ff822bb1dc6ea'>environment: Provide /etc/hosts in containers without '--network'.</a><span class='msg-avail'>...<span class='msg-tooltip'>Fixes &lt;https://bugs.gnu.org/43762&gt;.

* guix/scripts/environment.scm (launch-environment/container): Create
/etc/hosts when NETWORK? is false.
* tests/guix-environment-container.sh: Add "localhost" resolution test.
</span></span></td><td>Ludovic Courtès</td></tr>