![]() First, set the new hostname using the hostnamectl set-hostname command followed by the desired hostname and then update the /etc/hosts file with the new hostname. If you have more than one computer on your home network and want them all running Ubuntu Linux, you’re going to have to change the default hostnames to avoid problems. There are two steps involved when changing the system hostname on Debian 10. Ubuntu, for example, sets the hostname of all new installations to “ubuntu” by default. One common reason for switching hostnames is to avoid duplicate names on the same network. If someone else wants to access that folder, they will be able to find it much easier if they see your computer on the network as “larry-laptop” rather than “192.168.0.24”. For example, let’s say you want to set up a network shared folder on your Ubuntu system. While IP addresses are a great way for computers to identify each other, they don’t really do much to help people identify specific computers. Without the hostname, when you try to locate a computer on a network, all you would see are numbers, or IP addresses, like 127.0.0.1. ![]() ) you can use the hostnamectl command to change your hostname like this. The hostname is the name used to identify a computer on a network in “human-readable” form. If you are running systemd ( modern Ubuntu/Debian systems, Arch, Red Hat, etc. How to Search For a File in Ubuntu 22.04 or 20.All computers connected to a network have an IP address and a hostname.However, remember to choose a valid hostname, which means there must not be a space between the hostname you are setting up for your Debian 12 system. You can use either Terminal or GUI whichever is suitable for you to customize and update the hostname. Once the system restarts, the new hostname will be in effect.Ĭhanging the hostname in Debian 12 is quite simple like Ubuntu and other Linux systems. Click on Rename button to Save the changes.Enter the new hostname you want to use. Hostname debian How to Change Hostname on Debian 12/11/10 - LinuxCapable Network Configuration in Debian 11 - VITUX Debian 11 Bullseye : Set Hostname.Select the About section given in the left side menu.Well, those who are not comfortable with the command-line method and using a graphical desktop can go for the GUI method. sudo nano /etc/hostsĪfter editing and saving the files reboot your system. This configuration is important when the user wants to resolve some IP address with the hostname. Different commands are used to change the hostname using the terminal which are explained in the next section. ![]() Method 1: Using the Command Utilities To change the hostname by executing some commands, a terminal of Debian 12 can be used. Locate the line containing the old hostname and replace it with your desired hostname and save the changes and exit the text editor. ![]() This file is used to map the hostnames to the IP address. Using the GUI method Changing Hostname by all above methods has been explained in detail. In the same way, also edit the host file and change your existing hostname in that as well. To set or change a hostname permanently run the following hostnamectl command is a utility that comes with machines running with systemd. ![]() To save the file press Ctrl+O, hit the Enter key, and then to exit use Ctrl+X. You will see your existing hostname in the file, just change it to whatever you want to set. You can change it in the /etc/hosts file simply write a complete name for the machine there at the beginning of the list of names associated with the address of the machine, as in the following example: 127.0.0.1 localhost 192.168.0.1 arrakis 8.3.1. However, after editing these configuration files the user has to restart the system to apply them. Another method to change the name of your computer is by editing two files – /etc/hostname and / etc/hosts. ![]()
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