Reference

HowTos/SELinux

Where is log file

tail -f /var/log/audit/audit.log

How to check status

sestatus
sestatus -v
sestatus -b
/usr/sbin/getenforce

How to change status temporary

On:

setenforce 1

Off:

setenforce 0

How to disable

Edit /etc/selinux/config as follows:

SELINUX=disabled

Then you have to reboot.

Note that when you change setting from disabled to enforcing, you have to relable as follows:

fixfiles relabel