Sudo Unable to Resolve Host Digitalocean: How to Change Your Hostname

Are you tired of having a boring hostname for your Linux system? Do you want to give it a more personalized and memorable name? Changing the hostname in Linux is a relatively straightforward process that can be done using various commands. In this article, we will show you how to change the hostname on your Linux system.

Changing the Hostname Using Terminal Command

To change the hostname using terminal command, open a terminal and use the following command:

```

sudo hostname 'new hostname'

```

Replace `'new hostname'` with the new hostname you want to use. This will change the hostname temporarily until you restart your system.

Changing the Hostname Temporarily Using `hostname` Command

Another way to change the hostname is by using the `hostname` command. You can do this by running the following command:

```

hostname 'new hostname'

```

This will also change the hostname temporarily until you restart your system.

Changing the Hostname Permanently with `hostnamectl` Command

To change the hostname permanently, you can use the `hostnamectl` command. Run the following command to do this:

```

hostnamectl set-hostname 'new hostname'

```

Replace `'new hostname'` with the new hostname you want to use.

Checking Current Hostname and Other Information

To check your current hostname and some other information, you can run the `hostnamectl` command. This will give you a lot of details about your system, including the static hostname, machine ID, and boot ID.

Changing the Hostname in Ubuntu and Other Linux Distributions

If you are using Ubuntu or any other Debian-based Linux distribution, you can change the hostname by using the following command:

```

sudo hostnamectl set-hostname 'new hostname'

```

Replace `'new hostname'` with the new hostname you want to use.

Changing the hostname in Linux is a simple process that can be done using various commands. Whether you want to change it temporarily or permanently, there are several options available to you. By following the steps outlined above, you should be able to change your hostname and give your Linux system a more personalized name.

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