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Showing content from https://www.geeksforgeeks.org/linux-unix/hostnamectl-command-in-linux-with-examples/ below:

hostnamectl command in Linux with Examples

Last Updated : 07 Nov, 2019

command provides a proper API used to control Linux system hostname and change its related settings. The command also helps to change the hostname without actually locating and editing the

file on a given system.

hostnamectl [OPTIONS...] COMMAND ....

Where

can be any of the following:

• status: Used to check current hostname settings.
• set-hostname NAME: Used to set system hostname.
• set-icon-name NAME: Used to set icon name for host.
• set-chassis NAME: Set chassis type for host.

• Static: Assigned by system admin and it is used to initialize the kernel hostname during boot time.
• Dynamic or Transient: Assigned by mDNS server or DHCP server during run time.
• Pretty: It's a high-level hostname assigned by system admin or end-user.

Running

command to check the current host names. We can either execute

or

, the result will be same as status option is automatically assumed if no option is given.

To change static host name to

. It may require root permission.

hostnamectl set-hostname geeksforgeeks --static

Now, let us verify the changed hostnames using the

command.

As you see that the static hostname has been updated to

.

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