More var woes: MySQL won't start; audits logged

[david-8uUts6sDVDvs2Lz0fTdYFQ at public.gmane.org]

> The last step should fix selinux before anything could fail because of it.
> There's a way you could do it while booted in the liveCD (involving chroot
> and
> restorecon), but it's easier (but more time-consuming w.r.t. system
> downtime)
> to just relabel everything.

I don't have setenforce or restorecon.  Do I need to install selinux to
disable selinux?  That would be ironic.