标签：status ## SElinux virtualboxcentos7 linux 开启 SELinux policy root
1、查看内核、系统版本
[root@virtualboxcentos7 test]# hostnamectl
Static hostname: virtualboxcentos7
Icon name: computer-vm
Chassis: vm
Machine ID: e8d08b54fc55254aaefd55597b2e435b
Boot ID: f308a2863585439cb4c69007b56ad527
Virtualization: kvm
Operating System: CentOS Linux 7 (Core) ## 发行版
CPE OS Name: cpe:/o:centos:centos:7
Kernel: Linux 3.10.0-1160.49.1.el7.x86_64 ## 内核
Architecture: x86-64
2、查看当前的SElinux状态，sestatus命令
[root@virtualboxcentos7 test]# sestatus ## 使用sestatus查看 SELinux status: enabled SELinuxfs mount: /sys/fs/selinux SELinux root directory: /etc/selinux Loaded policy name: targeted Current mode: enforcing ## 说明是启用状态 Mode from config file: enforcing Policy MLS status: enabled Policy deny_unknown status: allowed Max kernel policy version: 31
3、临时关闭（系统重启后仍然后启动SElinux）
[root@virtualboxcentos7 test]# sestatus ## 查看当前状态 SELinux status: enabled SELinuxfs mount: /sys/fs/selinux SELinux root directory: /etc/selinux Loaded policy name: targeted Current mode: enforcing Mode from config file: enforcing Policy MLS status: enabled Policy deny_unknown status: allowed Max kernel policy version: 31 [root@virtualboxcentos7 test]# setenforce 0 ## 临时关闭SElinux [root@virtualboxcentos7 test]# sestatus ## 查看状态 SELinux status: enabled SELinuxfs mount: /sys/fs/selinux SELinux root directory: /etc/selinux Loaded policy name: targeted Current mode: permissive ## 由enforcing 变为了 permissive Mode from config file: enforcing Policy MLS status: enabled Policy deny_unknown status: allowed Max kernel policy version: 31
4、重新开启SElinux
[root@virtualboxcentos7 test]# sestatus ## 查看状态 SELinux status: enabled SELinuxfs mount: /sys/fs/selinux SELinux root directory: /etc/selinux Loaded policy name: targeted Current mode: permissive Mode from config file: enforcing Policy MLS status: enabled Policy deny_unknown status: allowed Max kernel policy version: 31 [root@virtualboxcentos7 test]# setenforce 1 ## 开启SElinux [root@virtualboxcentos7 test]# sestatus ## 查看状态 SELinux status: enabled SELinuxfs mount: /sys/fs/selinux SELinux root directory: /etc/selinux Loaded policy name: targeted Current mode: enforcing ## 由permissive 改为了 enforcing Mode from config file: enforcing Policy MLS status: enabled Policy deny_unknown status: allowed Max kernel policy version: 31
5、修改配置文件，永久关闭SElinux
[root@virtualboxcentos7 test]# vim /etc/sysconfig/selinux # 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=disabled ## 此处改为disabled， 然后保存退出 # SELINUXTYPE= can take one of three values: # targeted - Targeted processes are protected, # minimum - Modification of targeted policy. Only selected processes are protected. # mls - Multi Level Security protection. SELINUXTYPE=targeted
6、重启系统、检查
[root@virtualboxcentos7 test]# reboot
[root@virtualboxcentos7 test]# sestatus SELinux status: disabled [root@virtualboxcentos7 test]# getenforce ## 说明已经禁用SElinux Disabled
7、如果永久开启，在/etc/sysconfig/selinux配置文件中disabled改为enforcing，然后重启系统即可
标签：status,##,SElinux,virtualboxcentos7,linux,开启,SELinux,policy,root 来源： https://www.cnblogs.com/liujiaxin2018/p/15858778.html
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