How to modify the host name of a Aliyun centos Linux server

The default host name for the Aliyun host is a random name that starts with a ay, how do you modify it to be a friendly name that is easy to distinguish? Take a look at the following procedure:

1. vi/etc/hosts

I key, modify host name, Esc key,: X Key Save Exit

2. Vi/etc/sysconfig/network

I key, modify host name (hostname=), Esc key,: X Key Save Exit

3. Enter the following command:

Hostname New host Name

Then log back in with SSH, and the new host name will be displayed.

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