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12 changes: 12 additions & 0 deletions docs/src/bootc-images.md
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Expand Up @@ -132,6 +132,18 @@ for handling the `security.selinux` extended attribute in tar
streams; but this can only currently be done with a custom
build process.

#### Forcing relabeling

Some distributions support a `/.autorelabel` file; this will not work
on a bootc managed system where `/` is immutable state from the base
image by default. The labels on the files under `/sysroot/ostree` are
also managed by bootc/ostree and should not be changed by external
tools.

Most typically, you instead want to only relabel targeted subdirectories
of `/etc` and `/var`. This can be done via a systemd unit, e.g.
`ExecStart=restorecon -R -v /var/lib/mysql`.

### Toplevel directories

In particular, a common problem is that inside a container image,
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