Debian change hostname9/17/2023 ![]() 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 “newhostname”, 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 system’s 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 hostnameīefore changing the hostname, it’s 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. It is useful to have an intuitive hostname if you want to be easily discovered on your network, especially on your office or college network.Brief: This tutorial will show you how to find the current hostname of the system. In this article, we have learnt how to change system’s hostname temporarily as well as permanently. $ hostnamectl set-hostname "ubuntu's system" -pretty $ invoke-rc.d hostname.sh startĪlthough you are allowed to use only hyphens, alphabets and digits in your system’s hostname, you can include special characters and spaces, by using –pretty option with hostnamectl command, as shown below. Restart hostname shell script with the following command to apply the above changes. In that file, replace all occurrences of your system’s old hostname with its new one. Next, open the /etc/hosts file in a text editor. Save and close the file.Īlternatively, you may also use hostnamectl command to change hostname. The first line of this file will list your system’s current hostname. Open terminal and run the following command to open system’s hosts file in a text editor. In both cases, you need to modify your system’s hosts file to reflect the changes in hostname. There are two ways to permanently change host name – using hostnamectl command and by editing the hostname file. So run hostname command once again to check your system’s new hostname. It will return a response only if there is any error. Please note, your Linux system will not return any message if it has successfully changed hostname. In the above command, we have entered the new hostname after hostname command. Use hostname command to change hostname to new-ubuntu. You need sudo/root privileges to be able to change hostname. Here are the steps to change host name temporarily. In this case, the host name will revert back to its old value on system reboot. You can temporarily change hostname using hostname command, followed by your system’s new hostname. Now we will look at how to change host name temporarily, as well as permanently. You can check your current hostname with the following command. They cannot start or end with hyphens, and they cannot have consecutive hyphens.They can contain only alphabets, digits and hyphens.They should have minimum of 2 and maximum of 63 characters.But there are a few format restrictions you need to follow when you assign host name. ![]() There are different ways to change your system’s host name in Linux. Here are the steps to change host name in Debian/Ubuntu. In this article, we will look at how to change host name in Debian/Ubuntu Linux. But sometimes you may need to change the hostname to make it easy for others to identify your system on the network. By default, the operating system assigns a hostname for every system on a network. Hostname is a label that identifies your system on a network.
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