Linux permanently changes host name

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How to modify Linux Your own host name

If you want to change your own host name, you can follow the steps below

Use hostname

Using the hostname command can only temporarily change our host name. When we restart, the host name will be restored to the original

# hostname newhostname

Enter hostname linux You can change the host name to linux, use the uname -n command to view

At this time our host name has changed, left Why is it still Peithon? Try reopening a terminal, or if using Xshell, reopen the session

Modify the configuration file

If you want to permanently change your host name, you must follow the steps below

Modify the file/etc/sysconfig/network

<img src="https://img.php.cn/upload/image/752/322/987/1563866846841951.png" title="1563866846841951.png" alt="Linux permanently changes host name">

Mylinux is the host name to be set, then save and exit. Restart the system and you will read the configuration file and set the host name to the new hostname.

If you don’t want to restart the system at this step, you can use hostname mylinux to make temporary modifications. In this way, even if the system is restarted, the hostname set in the read configuration file is the same as your hostname setting. The same, which is equivalent to unchanged

In this way, the setting of the host name is completed

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