How do I change the hostname in CentOS?

By Tips

How do I change the hostname in CentOS?

CentOS 8 change hostname command

  1. Type the following command to edit /etc/hostname using nano or vi text editor: sudo vi /etc/hostname.
  2. Delete the old name and setup new name.
  3. Next Edit the /etc/hosts file:
  4. Replace any occurrence of the existing computer name with your new one.
  5. Reboot the system to changes take effect:

How do I change the hostname in CentOS 6?

Change hostname in CentOS

  1. Open the /etc/sysconfig/network file with your favorite text editor i.e. vi, nano. Modify the HOSTNAME= value to match your FQDN host name.
  2. Change the host file. Change the host that is associated to your main IPaddress for your server, file path is /etc/hosts.
  3. Run Hostname.
  4. Restart networking.

How do I find my hostname in CentOS?

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 my hostname?

Here’s the easy way to change your computer’s name:

  1. Open Settings and go to System > About.
  2. In the About menu, you should see the name of your computer next to PC name and a button that says Rename PC.
  3. Type the new name for your computer.
  4. A window will pop up asking if you want to restart your computer now or later.

How do I change the hostname in Redhat 7?

How to change hostname in CentOS/RHEL 7

  1. use hostname control utility: hostnamectl.
  2. use NetworkManager command line tool: nmcli.
  3. use NetworkManager text user interface tool : nmtui.
  4. edit /etc/hostname file directly (a reboot afterwards is required)

What is my hostname?

The hostname is what a device is called on a network. Alternative terms for this are computer name and site name. The hostname is used to distinguish devices within a local network. Hostnames are used on the internet as part of the fully qualified domain name.

How do I change the hostname 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.