[root@XM ~]#cat /etc/selinux/config  ##selinux的路径

[root@XM ~]#sed 's#SELINUX=enforcing#SELINX=disabled#g' /etc/selinux/config   ##修改加-i

[root@XM ~]#grep "disabled" /etc/selinux/config   ##过滤

#     disabled - No SELinux policy is loaded.

SELINUX=disabled

You have new mail in /var/spool/mail/root

[root@XM ~]#getenforce  ##查看修改后的状态

Enforcing

[root@XM ~]#setenforce 0##修改成Permissive当前环境下只会警告不会影响使用，下次重启生效

[root@XM ~]#getenforce 

Permissive

[root@XM ~]#setenforce

usage:  setenforce [ Enforcing | Permissive | 1 | 0 ]