SELinux cheatsheet
# installing
yum install selinux-policy
getenforce
setenforce 1
# allow 2022 to ssh service
semanage port -a -t ssh_port_t -p tcp 2022
# Get SE linux status
getenforce
getsebool -a
# File: /etc/sysconfig/selinux
SELINUX=enforcing # enforcing|permissive|disabledne