9/19/2023 0 Comments Ubuntu change hostnameFor additional help or useful information, we recommend you check the official Ubuntu website. Thanks for using this tutorial for installing the Jenkins on Ubuntu 22.04 LTS Jammy Jellyfish system. Run the hostnamectl command to confirm the hostname change: hostnamectlĬongratulations! You have successfully changed your hostname. You may also find it necessary (or useful) to include the domain name as well, in which case you would then also use periods (dots) to separate the hostname and the domain name (and top-level domain). A hostname is the unique identity of the machine by which it can be recognized in a network, for example, if your. The ASCII letters a â z, the digits 0 â 9, and the hyphen (â-â) are the only characters acceptable (the first character, however, cannot be a hyphen). Youâll need to be sure your hostname conforms to the standards for FQDNs (Fully Qualified Domain Names). Next, also /etc/hosts the file should be edited to successfully change the Ubuntu system name: nano /etc/hostsĪdd the following file: 127.0.0.1 localhost Step 1: Open Terminal by using Ctrl+Alt+T shortcut key or from Applications. Hostnamectl set-hostname "godetz freakz" -pretty Following is a step by step process to change hostname of your Ubuntu Linux PC. Look for the line that contains the old hostname and replace it with the new hostname.Now run the following command to change the hostname and optionally you can also set the pretty hostname as follows: hostnamectl set-hostname godetz This will open the hosts file in the nano editor. To edit the file, you can run the following command: sudo nano /etc/hosts This file maps IP addresses to hostnames, and it is read during the boot process. In addition to editing the hostname file, you also need to edit the â/etc/hostsâ file on your system. This tool distinguishes three different hostnames: the high-level. Replace the current hostname with the new hostname and save the file. hostnamectl may be used to query and change the system hostname and related settings. This will open the hostname file in the nano editor. For example, to edit the file using nano, you can run the following command: sudo nano /etc/hostname To edit the file, you can use your favorite text editor. This file contains the systemâs hostname, and it is read during the boot process. To make the hostname change permanent, you need to edit the hostname file on your system. This will change the hostname for the current session as well as update the /etc/hostname file. For example, to set the new hostname to ânewhostnameâ, you can run the following command: sudo hostnamectl set-hostname newhostname To set the new hostname, you can use the `hostnamectl` command on Ubuntu or the hostname command on Debian. Step 2: Set the new hostnameĬhoose one of the below methods to change the systemâs hostname permanently. This will display the current hostname, as well as other system information. You can do this by opening a terminal window and running the following command: hostnamectl Step 1: Check the current hostnameÄ«efore changing the hostname, itâs a good idea to check the current hostname of your Ubuntu or Debian system. In this article, we will show you how to change the hostname permanently on Ubuntu and Debian. However, if you want to make the hostname change permanent, you need to take a few extra steps to ensure that the new hostname survives reboots. Also, how can you change the hostname of your Ubuntu and other Debian-based systems?Ĭhanging the hostname on Ubuntu and Debian is a relatively simple process. Now if you use the command hostname, youâll see that your hostname has been changed. Change the hostname using hostname command. Replace with the new hostname you want to use: sudo hostname .Brief: This tutorial will show you how to find the current hostname of the system. Open a terminal and use the command below to change the hostname.
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