Linux host name modification trilogy

After Linux is installed, its default host name is localhost. Changing the Linux hostname requires 3 steps.

1. Use hostname to modify the current host name.

hostname new-hostname

2. Modify the /etc/sysconfig/network configuration file so that the new hostname can be used the next time you restart.

Open the /etc/sysconfig/network file and modify HOSTNAME=new-hostname.domainname.

The modified /etc/sysconfig/network file is as follows:

NETWORKING=yes

HOSTNAME=new-hostname.localdomain

3. Modify this The machine's domain name resolution file /etc/hosts enables the local application to resolve the new host name.

Edit file: /etc/hosts

Modify: xxx.xxx.xxx.xxx new-hostname.domainname new-hostname

(xxx here represents the local computer) The network address can also be the loopback address 127.0.0.1)

The modified /etc/hosts file is as follows:

127.0.0.1 localhost.localdomain localhost

127.0. 0.1 new-hostname.localdomain new-hostname

WORK

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