F7: SELinux feature or bug?

[Mikkel L. Ellertson]

Jeroen Lankheet wrote:
> Hi all,
> 
> I think I've been stupid or framed or both. I wanted to samba share a
> USB disk on a F7 system but got an SELinux message saying that the
> directory could not be shared, and that there was a command to get it
> right (=wrong?).
> So I typed in
> 
> chcon -t samba_share_t -R /
> 
> Yes, that's what was in the SElinux message thingie as suggestion. And
> being a total SELinux nitwit I did what the almighty Linux system adviced.
> So it took a while before getting "operation not permitted" on /dev/....
> Then I cancelled the operation but the damage has apparently already
> been made.
> I retyped the command with the proper directory to share and now the
> share worked.
> But when I restarted the system all kinds of services were broken
> including /dev/eth0.
> The kernel could not find the eth0 device. The X configuration was gone
> and all kinds of errors were smashed into my face.
> So it looks like the SELinux (or me myself?) has scrambled my harddisk.
> I cannot even login anymore. The system is completely dead.
> Some 'simple' questions:
> Why did this go wrong?
> What actually did go wrong?
> What to do next? Re-install? That would be a bummer.
> 
> Thanks for the help.
> 
> Regards,
> Jeroen.
> 
From man selinux:

The  best  way  to  relabel the file system is to create the flag
file /.autorelabel and reboot. system-config-securitylevel, also has
this capability.  The restorcon/fixfiles commands are also available
for relabeling files.

As root, you will want to run something like: (This will reboot the
system when you enter the command, so make sure you are ready to
reboot!):

touch /.autorelabel ; reboot
or
touch /.autorelabel ; shutdown -r now

You could also just do the "touch /.autorelabel" and then reboot
using the GUI option to reboot the system.

Mikkel
-- 

  Do not meddle in the affairs of dragons,
for thou art crunchy and taste good with Ketchup!

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