CentOS 7.2 Modify Host Name

1. Temporarily modify host name

Hostname Host Name

Reconnect the shell, you can, in this way, can only modify the temporary host name, when the machine restarts, the host name has been changed back.

2. Permanently modify the host name

Hostnamectl Set-hostname

Reconnect the shell, use this way to modify, you can permanently modify the host name!

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CentOS 7.2 Modify Host Name