How to change machine name in Ubuntu?

How to Change Machine Name in Ubuntu

Changing the machine name in Ubuntu is a straightforward process that can be completed in just a few steps. In this article, we will guide you through the process of changing the machine name in Ubuntu.

What is Machine Name?

Before we dive into the steps, let’s understand what the machine name is. The machine name is the identifier that is used to identify your Ubuntu system on a network. It is also known as the hostname. By default, the machine name is set to the hostname as specified in the /etc/hostname file.

Why Change the Machine Name?

There are several reasons why you might want to change the machine name in Ubuntu. For example, you may want to:

• Give your machine a unique name for easier identification
• Use a different name for a server or a workstation
• Comply with company policy or organizational guidelines

How to Change Machine Name in Ubuntu

Changing the machine name in Ubuntu is a simple process that can be done using the terminal or the graphical user interface. Here are the steps:

Method 1: Using the Terminal

To change the machine name using the terminal, follow these steps:

1. Open the terminal by searching for "Terminal" in the Dash or by pressing the keys Ctrl + Alt + T.
2. Type the following command to edit the /etc/hostname file: sudo nano /etc/hostname
3. In the file, replace the existing hostname with the new one you want to use. Make sure the new name is unique and not already in use.
4. Save the file and exit the editor.
5. Type the following command to restart the machine to apply the changes: sudo reboot

Method 2: Using the Graphical User Interface

To change the machine name using the graphical user interface, follow these steps:

1. Click on the gear icon in the top-right corner of the screen and select "Settings".
2. Click on "Details" in the settings menu.
3. Click on the "Network" tab.
4. Click on the "Hosts" tab.
5. Enter the new machine name in the "Hostname" field and click "Apply" to save the changes.

Tips and Tricks

• Make sure to choose a unique name that is not already in use by another machine on the network.
• If you are using a network service like DNS, you may need to update the DNS records to reflect the new machine name.
• You can also change the machine name using the hostnamectl command, which is a newer tool that replaces the traditional sudo nano /etc/hostname method.
• It is a good practice to restart the machine after changing the machine name to ensure that the changes take effect.

Conclusion

In conclusion, changing the machine name in Ubuntu is a straightforward process that can be completed in just a few steps. Whether you want to give your machine a unique name, comply with company policy, or for any other reason, this article has provided you with the steps to do so. By following these steps, you can easily change the machine name in Ubuntu and get the benefits that come with it.