How To Disabled SELINUX in CentOS 7

The first thing to do is to check the status of SELinux on your system, and you can do this by running the following command:
1- sestatus

To disable SELINUX temporarily, issue the command below as root:
1- setenforce 0
2- setenforce Permissive

Disable SELinux Permanently

Go to selinux file
and disaable selinux manually

source

centos 7