Centos7.4 修改selinux错误导致服务器起不来

本文详述了在Centos 7.4中因SELinux配置错误导致服务器无法启动的解决方案。通过在系统启动时添加selinux=0参数临时禁用SELinux,并修改/etc/selinux/config文件将SELINUX设置为disabled,最终恢复正常启动。

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Centos7.4 修改selinux错误导致服务器起不来

[root@node10 ~]# 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 three two values:
#     targeted - Targeted processes are protected,
#     minimum - Modification of targeted policy. Only selected processes are protected. 
#     mls - Multi Level Security protection.
SELINUXTYPE=targeted 


[root@node10 ~]# vi /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 three two values:
#     targeted - Targeted processes are protected,
#     minimum - Modification of targeted policy. Only selected processes are protected.
#     mls - Multi Level Security protection.
SELINUXTYPE=disabled  
                                                                                                                                          
~                                                                                                                                                 
"/etc/selinux/config" 14L, 547C written
[root@node10 ~]# 
[root@node10 ~]# 
[root@node10 ~]# 
[root@node10 ~]# reboot 

 

解决方法:

1、重启Linux按e进入系统启动项修改参数

 

 2、在linux16的行位添加 selinux=0

按ctrl + x之后启动linux系统

 

 

3、启动之后修改/etc/selinux/config文件

来源:https://www.cnblogs.com/shwang/p/12012646.html

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