centos7.3下更改主机名称

在centos7中又新加了一个 hostnamectl 的命令。我们在操作系统中输入 hostnamectl --help 可以看到这个命令的信息。

 [root@iz2ze8zj01sri4lezw8ibdz sysconfig]# hostnamectl --help hostnamectl [OPTIONS...] COMMAND ... Query or change system hostname. -h --help Show this help --version Show package version --no-ask-password Do not prompt for password -H --host=[USER@]HOST Operate on remote host -M --machine=CONTAINER Operate on local container --transient Only set transient hostname --static Only set static hostname --pretty Only set pretty hostname Commands: status Show current hostname settings set-hostname NAME Set system hostname set-icon-name NAME Set icon name for host set-chassis NAME Set chassis type for host set-deployment NAME Set deployment environment for host set-location NAME Set location for host [root@iz2ze8zj01sri4lezw8ibdz sysconfig]# 

然后我们可以根据情况选择合适的命令来更改主机名称了：

 [root@iz2ze8zj01sri4lezw8ibdz sysconfig]# hostnamectl set-hostname cs

重启一下：

 [root@iz2ze8zj01sri4lezw8ibdz sysconfig]# reboot Last login: Mon Oct 9 21:05:23 2017 from 27.189.204.152 Welcome to Alibaba Cloud Elastic Compute Service ! [root@cs ~]# 

就OK啦！！！