Command-line way of changing Computer Name in Ubuntu

The procedure to change the computer name on Ubuntu Linux:

1. Type the following command to edit /etc/hostname using nano or vi text editor: sudo nano /etc/hostname. Delete the old name and setup new name.
2. Next Edit the /etc/hosts file: sudo nano /etc/hosts. ...
3. Reboot the system to changes take effect: sudo reboot.

1. How do I change the hostname in Linux command line?
2. How do I change the device name in Linux?
3. How do I change my hostname?
4. How do I find my computer name in Ubuntu?
5. How do I change my name in terminal?
6. How do I find my hostname in Linux?
7. How do I change the root name in terminal?
8. How do I show hostname?
9. What is a hostname example?
10. How can I change my hostname without rebooting?

How do I change the hostname in Linux command line?

Changing the Hostname

To change the hostname invoke the hostnamectl command with the set-hostname argument followed by the new hostname. Only the root or a user with sudo privileges can change the system hostname. The hostnamectl command does not produce output.

How do I change the device name in Linux?

To change the hostname in Ubuntu 18.04 or any other Linux distribution using GNOME desktop, just go to the System Settings and click on Details. In here, you'll see the 'Device name' field that is editable. This 'Device name' is your system's hostname. Change it to whatever you want.

How do I change my hostname?

Change a server's hostname

1. Using a text editor, open the server's /etc/sysconfig/network file. ...
2. Modify the HOSTNAME= value to match your FQDN hostname, as shown in the following example: HOSTNAME=myserver.domain.com.
3. Open the file at /etc/hosts. ...
4. Run the hostname command.

How do I find my computer name in Ubuntu?

To see your computer name from Ubuntu's desktop, just click on the Shutdown icon on the top panel next to the date and time, and select Lock screen. The lock screen will appear (if it does not, just click anywhere on the desktop or press any key) and your computer name will be displayed.

How do I change my name in terminal?

Ubuntu change hostname command

1. Type the following command to edit /etc/hostname using nano or vi text editor: sudo nano /etc/hostname. Delete the old name and setup new name.
2. Next Edit the /etc/hosts file: sudo nano /etc/hosts. ...
3. Reboot the system to changes take effect: sudo reboot.

How do I find my hostname in Linux?

The procedure to find the computer name on Linux:

1. Open a command-line terminal app (select Applications > Accessories > Terminal), and then type:
2. hostname. hostnamectl. cat /proc/sys/kernel/hostname.
3. Press [Enter] key.

How do I change the root name in terminal?

Edit Your /etc/hostname File

In Ubuntu's Unity desktop, click the Ubuntu button to pull up the dash, search for Terminal, and press Enter. (You could also use terminal-based text editors like nano or vi for this — you'd run the sudo nano /etc/hostname or sudo vi /etc/hostname commands to open the file for editing.

How do I show hostname?

Using the command prompt

1. From the Start menu, select All Programs or Programs, then Accessories, and then Command Prompt.
2. In the window that opens, at the prompt, enter hostname . The result on the next line of the command prompt window will display the hostname of the machine without the domain.

What is a hostname example?

In the Internet, a hostname is a domain name assigned to a host computer. ... For example, en.wikipedia.org consists of a local hostname (en) and the domain name wikipedia.org. This kind of hostname is translated into an IP address via the local hosts file, or the Domain Name System (DNS) resolver.

How can I change my hostname without rebooting?

To do this issue the command sudo hostnamectl set-hostname NAME (where NAME is the name of the hostname to be used). Now, if you log out and log back in, you'll see the hostname has changed. That's it--you've changed the hostname without having to reboot the server.