This article outlines the steps to modify the hostname on a Linux cloud server. Assuming the new hostname is 'zhaomu.com', please replace this with the actual hostname you intend to use. This guide is applicable to four Linux operating systems: CentOS, Fedora, Ubuntu, and Debian.
1.Remotely log into the system.
2.Use the 'hostnamectl' command.
hostnamectl set-hostname zhaomu.com3.Restart the cloud server.
4.Verify the change has taken effect with the 'hostname' command.
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