HOW TO: Change the Computer Name Ubuntu
You might run into a situation that requires you to change your computer name, either because you need it to meet a naming scheme or you’re just bored with it and want something better. By following these steps, you’ll give your computer a new identity in no time.
1. Open a terminal window.
2. Input the following command and hit Enter: Ubuntu: How to Change the Computer Name - Tech-Recipes.com