centos 7 运行状态

centos7
查看运行状态的命令 ls -l system/runlevel*target
运行状态
lrwxrwxrwx 1 root root 15 Nov 29 2018 system/runlevel0.target -> poweroff.target --0
lrwxrwxrwx 1 root root 13 Nov 29 2018 system/runlevel1.target -> rescue.target --1
lrwxrwxrwx 1 root root 17 Nov 29 2018 system/runlevel2.target -> multi-user.target --2
lrwxrwxrwx 1 root root 17 Nov 29 2018 system/runlevel3.target -> multi-user.target --3
lrwxrwxrwx 1 root root 17 Nov 29 2018 system/runlevel4.target -> multi-user.target --4
lrwxrwxrwx 1 root root 16 Nov 29 2018 system/runlevel5.target -> graphical.target --5
lrwxrwxrwx 1 root root 13 Nov 29 2018 system/runlevel6.target -> reboot.target --6
永久设置运行状态的命令
systemctl set-default 对应的状态.target
检查运行状态的命令
systemctl get-default