Shulou(Shulou.com)06/02 Report--

Centos7 no longer uses the / etc/inittab file for the default startup-level configuration, but instead uses target, which is freer than the run-level of sysvinit.

The third runner is replaced by multi-user.target.

The fifth runner is replaced by graphical.target.

Set the default third startup level

[root@xuegod63 ~] # systemctl set-default multi-user.target

Set the default fifth startup level

[root@xuegod63 ~] # systemctl set-default graphical.target

[root@xuegod63 ~] # runlevel

3 5 # indicates that you have switched from level 3 to level 5

View the current default startup level

[root@xuegod63 ~] # systemctl get-default

Graphical.target

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