關閉SELinux功能
1.永久關閉
1.1檢查、備份
永久關閉selinux
1.操作前備份
cat /etc/selinux/config
# This file controls the state of SELinux on the system.
# SELINUX= can take one of these three values:
# enforcing - SELinux security policy is enforced.
# permissive - SELinux prints warnings instead of enforcing.
# disabled - No SELinux policy is loaded.
SELINUX=enforcing
# SELINUXTYPE= can take one of these two values:
# targeted - Targeted processes are protected,
# mls - Multi Level Security protection.
SELINUXTYPE=targeted
cp /etc/selinux/config /etc/selinux/config.bak
ls -l /etc/selinux/config*
-rw-r--r--. 1 root root 458 Jul 14 11:02 /etc/selinux/config
-rw-r--r--. 1 root root 458 Jul 15 02:08 /etc/selinux/config.bak
2.sed修改，看看結果，不加-i
This file controls the state of SELinux on the system.
SELINUX= can take one of these three values:
enforcing - selinux 已經啓動 已經開啓
permissive selinux 臨時停用 會顯示警告
disabled - selinux 徹底關閉 不再運行
SELINUX=enforcing 修改爲 disabled
3. 修改selinux配置
cat /etc/selinux/config
This file controls the state of SELinux onthe system.
SELINUX= can take one of these threevalues:
enforcing - SELinux security policy is enforced.
permissive - SELinux prints warnings instead of enforcing.
disabled - No SELinux policy is loaded.
SELINUX=disabled
SELINUXTYPE= can take one of these twovalues:
cat /etc/selinux/config
This file controls the state of SELinux onthe system.
SELINUX= can take one of these threevalues:
enforcing - SELinux security policy is enforced.
permissive - SELinux prints warnings instead of enforcing.
disabled - No SELinux policy is loaded.
SELINUX=disabled
SELINUXTYPE= can take one of these twovalues:
4.臨時關閉SELinux
臨時關閉selinux
1.查看selinux狀態
getenforce
Enforcing
2.關閉selinux
setenforce
usage: setenforce [ Enforcing | Permissive | 1 | 0 ]
setenforce 0
getenforce
Permissive
3.重啓服務器之後失效