Modify hostname in Centos and hostname in centos

Modify hostname in Centos and hostname in centos

1. Temporary modification with commands

Hostname oier

In this way, the hostname of the server becomes oier, but it will change back after restart.

2. Edit the configuration file for permanent Modification

Vi/etc/sysconfig/network

HOSTNAME = oier

It takes effect after being restarted.

 

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Host resolution Modification

Because the Host file will resolve the Hostname to the local by default, if you need to do so, you need to modify the Host file at the same time.

Vi/etc/hosts