How to Set or Change System Hostname in Linux

Device or system hostnames are used to easily recognize a machine within a network in a human readable format. It is not much of a surprise, but on Linux system, the hostname can be easily changed by using simple command as “hostname“.

Read Also: How to Set Static IP Address and Configure Network in Linux

Running hostname on its own, without any parameters, will return the current hostname of your Linux system like this:

$ hostname
TecMint

If you want to change or set hostname of your Linux system, simply run:

$ hostname NEW_HOSTNAME

Of course, you will need to replace “NEW_HOSTNAME” with the actual hostname that you wish to set. This will change the hostname of your system immediately, but there is one problem – the original hostname will be restored upon next reboot.

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