Ubuntu change hostname11/25/2023 sudo nano /etc/hosts Edit ‘/etc/hosts’ and replace old hostnameĪlso save changes by pressing Ctrl+X, follow with y and hit Enter. ![]() The file contains IP mappings, old hostname present in the file will make that line not working properly. No matter which method you did to change the hostname, it’s better to adjust “/etc/hosts” accordingly. Edit hostname config file (IMPORTANT) Edit /etc/hosts To save changes, press Ctrl+X, type y, and hit Enter. User may also change the computer name by editing the configuration file directly, though it needs system restart to take effect!įor static hostname, edit the “ /etc/hostname” file via the command below, and replace the content with your new name: sudo nano /etc/hostname You may use any valid UTF-8 name Set static and pretty hostname Option 4: Change hostname by editing config file (need restart) If you want, change (or set, Ubuntu does not have one out-of-the-box) it via: hostnamectl set-hostname "NEW_NAME" -pretty The pretty hostname does not have above limitation. It is human readable name present to the user, not the machine. There’s also an OPTIONAL “pretty” hostname. While command in “Option 2” changes the dynamic (aka transient) hostname, the command below will change the static hostname in Linux: hostnamectl set-hostname NEW_NAME With it, you may change the Linux computer name permanently without restarting system. ![]() Most Linux, including Ubuntu, Debian and Fedora, has a command line tool hostnamectl to control system hostname. Simply open terminal (Ctrl+Alt+T) or connect to your Ubuntu server, then paste the command below and hit Enter: hostname NEW_NAME Change hostname temporarily Option 3: Change Hostname Permanently Without Reboot It’s possible to change computer temporarily, so it works until you restart the Ubuntu machine. ![]() Change Computer Name on Ubuntu Desktop Option 2: Change Hostname Temporarily until reboot You may then click on ‘ Device Name‘ and set a new name via pop-up dialog. Just open settings and navigate to About page in the left. And, it has at most 64 characters! Option 1: Change Computer Name in Ubuntu Desktop:įor Ubuntu with default GNOME desktop, it’s easy to change the computer name using system settings (aka Gnome Control Center). Linux hostname is consist of letters, numbers, " -", " _" and/or ". It’s harmless and useful to make it easy to identify your host. After upgrading system edition or moving server location, you may change the hostname. Once the cloud-init is installed, find the line preservehostname: false in the following configuration file /etc/cloud/cloud.cfg and change it to true. It does not store any personal data.Need to change your Ubuntu PC/laptop or server’s computer name? Here’s how to do the trick in 4 different ways!Ĭomputer name (aka hostname) is a label on computer network that is used to identify the device. The cookie is set by the GDPR Cookie Consent plugin and is used to store whether or not user has consented to the use of cookies. The cookie is used to store the user consent for the cookies in the category "Performance". This cookie is set by GDPR Cookie Consent plugin. The cookies is used to store the user consent for the cookies in the category "Necessary". The cookie is used to store the user consent for the cookies in the category "Other. The cookie is set by GDPR cookie consent to record the user consent for the cookies in the category "Functional". ![]() The cookie is used to store the user consent for the cookies in the category "Analytics". These cookies ensure basic functionalities and security features of the website, anonymously. Necessary cookies are absolutely essential for the website to function properly.
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