Set Hostname on CentOS

来源：乌哈旅游

Change your hostname to a different name of your choosing. For example:

hostname server01

Open the /etc/hosts file with your favorite text editor. For example:

nano /etc/hosts

Change the first line and replace your old hostname with the new one. Save the file and exit the editor.

This file also contains your hostname. Open the /etc/sysconfig/network file with your favorite text editor.

Change HOSTNAME=vultr to your desired hostname. For example: HOSTNAME=server01.

Run the following command to check your new hostname:

hostname

The new hostname will be displayed in your ssh terminal.

Read more at: https://www.vultr.com/docs/how-to-change-your-hostname-on-centos

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