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doc: Add a note about SELinux relabeling after upgrades to guix-daemon. 

* doc/guix.texi (SELinux Support): Add note about upgrades.

Signed-off-by: Marius Bakke <marius@gnu.org>
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Daniel Brooks 2020-11-14 08:04:30 -08:00 committed by Marius Bakke
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@ -83,6 +83,7 @@ Copyright @copyright{} 2020 pinoaffe@*
Copyright @copyright{} 2020 André Batista@*
Copyright @copyright{} 2020 Alexandru-Sergiu Marton@*
Copyright @copyright{} 2020 raingloom@*
Copyright @copyright{} 2020 Daniel Brooks@*
Permission is granted to copy, distribute and/or modify this document
under the terms of the GNU Free Documentation License, Version 1.3 or
@ -1398,6 +1399,11 @@ install and run it, which lifts it into the @code{guix_daemon_t} domain.
At that point SELinux could not prevent it from accessing files that are
allowed for processes in that domain.
You will need to relabel the store directory after all upgrades to
@file{guix-daemon}, such as after running @code{guix pull}. Assuming the
store is in @file{/gnu}, you can do this with @code{restorecon -vR /gnu},
or by other means provided by your operating system.
We could generate a much more restrictive policy at installation time,
so that only the @emph{exact} file name of the currently installed
@code{guix-daemon} executable would be labelled with