How to modify the host name in centos

Modify hostname under centos7, the specific command is as follows:

[root@centos7 ~]$ hostnamectl set-hostname centos77.magedu.com # 使用这个命令会立即生效且重启也生效 [root@centos7 ~]$ hostname # 查看下 centos77.magedu.com

Recommended tutorial:centos tutorial

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