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dnf-system-upgrade: s/touch/fixfiles/ to relabel SELinux

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This is a personal preference, but the `fixfiles` command is a
convenient binary in Fedora that ships with SELinux to handle relabels.
It does the same thing, but note the use of the `-B` flag.

From the man pages:

> -B:
> If specified with onboot, this fixfiles will record the current date
> in the /.autorelabel file, so that it can be used later to speed up
> labeling. If used with restore, the restore will only affect files
> that were modified today.

I thought I would share this improvement upstream since I use this page
often, but I prefer this way of running more lean SELinux checks.

Signed-off-by: Justin W. Flory <git@jwf.io>
This commit is contained in:
Justin W. Flory 2020-05-04 19:04:20 -04:00
parent 743e4a6ac0
commit e3d0e3ba32
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1 changed files with 4 additions and 6 deletions
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10
modules/ROOT/pages/dnf-system-upgrade.adoc
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@ -239,17 +239,15 @@ sudo dnf distro-sync --allowerasing
=== Relabel Files With The Latest SELinux Policy
If you encounter any warnings regarding policies with SELinux, some files may have incorrect SELinux permissions.
This may happen if SELinux was disabled at some point in the past.
To relabel the entire system run:
This may happen if SELinux was disabled in the past.
To relabel SELinux on the system, run the following command and then reboot:
[source,bash]
----
sudo touch /.autorelabel
sudo fixfiles -B onboot
----
and reboot.
The boot process may take a long time as it is checking and fixing all SELinux permission labels on all the files in your system.
The boot process will likely take a long time, as it checks and fixes SELinux permission labels on all files in your system.
[[sect-frequently-asked-questions]]
== Frequently Asked Questions