Changing the hostname of your Debian 12 server is a straightforward process. Follow the steps below to configure it properly.

Step 1: Create an Instance

First, set up a Debian 12 server instance.

Access the Dashboard: Log in to your Shape.Host account and navigate to your Dashboard.

Click Create: Click the “Create” button in the top-right corner.

Select Instances: From the menu, choose “Instances” to begin creating a new server.

Shape.host Resources dashboard with Create > Instance highlighted.

Select Location: Choose a data center location closest to your target audience for better performance.

Shape.host instance form with the data center location selector highlighted.

Choose a Plan: Select a plan that meets your requirements, such as Standard or Memory-Optimized.

Choose an Image: Select Debian 12 as the operating system.

Shape.host instance form with the operating system image selector highlighted.

Authentication and Finalize: Choose your authentication method, either SSH keys or password, and click Create Instance.

Shape.host instance form with the Create Instance button highlighted.
  • Obtain IP Address
  • Once your instance is created, return to the dashboard.
  • Find your instance’s IP address under the Resources section and use it to access your server.
Shape.host Resources dashboard with the server IP address highlighted.

Step 2: Update the System

Update your system packages to ensure everything is up-to-date:

apt update  
apt upgrade -y
Terminal showing APT package management commands and output.

Step 3: Check the Current Hostname

To view your system’s current hostname, run:

hostname
Terminal showing hostname configuration or system identification details.

Step 4: Change the Hostname

Set your new hostname, for example, DebianXII:

hostnamectl set-hostname DebianXII
Terminal showing hostname configuration or system identification details.

Step 5: Apply the Changes

Reload your group session to ensure the hostname changes take effect:

newgrp
Terminal showing a newgrp shell command.

Step 6: Verify the New Hostname

Finally, confirm that the new hostname has been applied successfully:

hostnamectl
Terminal showing hostname configuration or system identification details.

You’ve successfully updated your Debian 12 system’s hostname!

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