When you open a terminal, you will find the following structure at the beginning of every Linux terminal display the current hostname in the terminal, you can use the hostname command.
#Debian change hostname how to#
How to Display Current Linux Hostname with hostname command? They must contain at least 2 characters and at most 63 characters. But please make sure that a hostname must start and end with either a number or a letter.
A hostname can contain digits, lowercase letters, hyphens, and dots. There are some rules when it comes to what name can you assign as a hostname to a server in the network. However, please note that you should never assign the same hostname to multiple Linux servers in the same network. At any point in time, if you wish to change the hostname for any purpose, you can easily do so in just a few steps.
#Debian change hostname install#
When you install any Linux distribution, it will ask you to enter a username and a hostname for the first time. It’s simply a name given to your Linux machine. To identify hosts or servers in a network, each Linux server is assigned a name called host-name. How to change Linux hostname for various Linux distros? Kindly post you queries and feedback in below comments section.List of content you will read in this article: That’s all from this guide, I hope you found it informative. Restart hostnamed service using beneath systemctl command $ sudo systemctl restart systemd-hostnamed $ sudo nmcli general hostname $ sudo nmcli general hostname To view the current hostname via nmcli command, run $ nmcli general hostname Nmcli is a command line utility for configuring network connections and hostname on RHEL and CentOS systems. Now, we can verify new hostname using ‘hostname’ & ‘hostnamectl’ commands. To make the above changes into the effect, restart hostnamed service, run $ sudo systemctl restart systemd-hostnamed
Type the hostname whatever you want to set and then click on OK. When we type nmtui command below window will appear $ sudo nmtuiĬhoose “ Set system hostname” and then click on OK.
Nmtui stands for ‘ Network Manager Text User Interface‘, it is a text user interface which is used to configure networking along with hostname on modern Linux distributions. $ sudo hostnamectl set-hostname -H 192.168.1.13 password: $ hostnamectl set-hostname -H command will use ssh for connecting and authentication for remote server. Using hostnamectl command we can also set hostname on remote system from the local system. Use the following hostnamectl command to remove or clear pretty hostname, $ sudo hostnamectl set-hostname "" -pretty How to set hostname on the remote system from local machine ? To set the pretty hostname, use the following command $ sudo hostnamectl set-hostname "LinuxTechi's RHEL 8 Laptop" -pretty How to Set Pretty Hostname RHEL / CentOS ? If you want to remove or clear hostname on RHEL or CentOS system, then use beneath hostnamectl command, $ sudo hostnamectl set-hostname "" Verify the new hostname using hostnamectl and hostname command : Let’s set the static hostname ‘’ $ sudo hostnamectl set-hostname "" Hostnamectl command is used to set, change and query hostname. Sample output of above commands would look like below, We can use hostname and hostnamectl commands to view the current hostname of our RHEL or CentOS system. Note : Default hostname on RHEL and CentOS system is ‘localhost.localdomain’, when it not set at the time of installation. Pretty hostname is stored in the file /etc/machine-info.
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