Modify the Linux host name to make it permanent

The Linux host name needs to be changed when installing virtual machines such as KVM. The following is to modify the default host name.

1. Modify the /etc/sysconfig/network configuration file.

Change localhost.localdomain to your domain name, such as us.com

2. Modify /etc/hosts

Change the localhost in the yellow part to your host name, like ours

3. Restart

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