Enabling the strict policy on Fedora 7

[Daniel J Walsh]

Patrick McNeal wrote:
> I'm new to SELinux, and have been banging my head against the wall on 
> how to change from the targeted to the strict policy on my Fedora 7 
> box.  I just figured out how to do it, and thought that it would be a 
> good thing to have in the archive so others might more easily find a 
> solution.
>
> 1 - Install the strict policy using the package manager.  I used 
> selinux-policy-strict-2.6.4-29.fc.noarch.
> 2 - Using the SELinux Administration tool, set the "system default 
> policy type" to "strict".
> 3 - Set the "system default enforcing mode" to "permissive".
> 4 - Check "Relabel on next reboot".
> 3 - Reboot
>
> If you leave enforcing mode set to the default of "enforcing" you'll 
> get this error on reboot:
>
> /sbin/init: error while loading shared libraries: libsepol.so.1: 
> failed to map segment from shared object: Permission denied
> Kernel panic - not syncing: Attempted to kill init!
>
> Note, you can also make these changes via the command line by editing 
> /etc/selinux/config, setup a relabel by touching /.autorelabel and 
> rebooting.
>
> Hope that helps someone.
>
> --Patrick
>
> -- 
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You need to boot first in permissive mode to allow relabeling to happen, 
then reboot in enforcing mode.

Or just setenforce 1 after the first boot.

At the kernel boot line you can just enter enforcing=0 to boot in 
permissive mode.