SELinux
to learn here
Install
-y - flag answer yess to all questions, * - install any
sudo yum -y install selinux*
Check status
[banner@stapp03 ~]$ sestatus
SELinux status: disabled
Config /etc/selinux/config
[banner@stapp03 ~]$ cat /etc/selinux/config | grep SELINUX
# SELINUX= can take one of these three values:
SELINUX=disabled
# SELINUXTYPE= can take one of these three values:
SELINUXTYPE=targeted