Step 1: Check the Current Hostname
Before making any changes, it’s a good idea to check the current hostname. You can do this by entering the following command in the terminal:
This will display the current hostname of your system.
Step 2: Edit the Hostname File
Next, open the
/etc/hostname file using a text editor of your choice. For example, you can use
#sudo nano /etc/hostname
Replace the existing hostname with the new one, save the file, and exit the text editor.
Step 3: Edit the Hosts File
Now, open the
#sudo nano /etc/hosts
Locate the line with the old hostname and replace it with the new one. Save the file and exit.
Step 4: Apply the Changes
After editing the hostname and hosts files, apply the changes without restarting your system. Run the following command:
#sudo service hostname restart
Alternatively, you can reboot your system to ensure the changes take effect.
Step 5: Verify the Changes
Confirm that the new hostname is in place by running:
Additionally, check the
/etc/hosts files to ensure the changes are reflected.