• Home
  • Linux
  • Ubuntu
  • Debian
  • CentOS
  • Linux Commands
  • About Us
  • Donate
TecNStuff
Menu
  • Home
  • Linux
  • Ubuntu
  • Debian
  • CentOS
  • Linux Commands
  • About Us
  • Donate

How to Change Hostname on Debian 9

Written by Admin, Updated On May 7, 2019
debian, hostname
How to change hostname on Debian 9

This tutorial outlines steps to change hostname on Debian 9 system. The hostname will be set at the time of installation of Debian operating system. If you are creating a virtual machine, it will dynamically assign when instance created.

Prerequisites#

Before starting with tutorial, ensure that you are logged in as a non-root user with sudo privileges.

Change Hostname on Debian#

By assigning a hostname you can identifies a system on a network. You must make sure that there shouldn’t have same hostname on a same network.

Get Current Hostname#

At first, you need to check current hostname. To get the current hostname, run the below command:

hostnamectl
  Static hostname: local.tecnstuff
Icon name: computer-vm
Chassis: vm
Machine ID: 287b816ad03c4f429f7bb49501983e1c
Boot ID: 7fd5cca4dd5c41f6ac53214e11fa3f57
Virtualization: oracle
Operating System: Debian GNU/Linux 9 (stretch)
Kernel: Linux 4.9.0-8-amd64
Architecture: x86-64

In above output you can see that the current hostname is local.tecnstuff.

Changing the Hostname using hostnamectl#

In Debian 9, there are multiple methods to change hostname. First one is change the hostname using hostnamectl command. Following is the basic syntax to change hostname:

sudo hostnamectl set-hostname NEW_HOST_NAME

You can run command as below to change hostname:

sudo hostnamectl set-hostname server.tecnstuff.net

We changed the hostname from local.tecnstuff to server.tecnstuff.net using hostnamectl command. Now the hostname is server.tecnstuff.net for server, you can check it again using hostnamectl command.

Change the Hostname by Edit /etc/hosts file#

Another method to change hostname is to edit /etc/hosts file manually. Open /etc/hosts file using your favorite text editor:

sudo nano /etc/hosts

Inside the file, change the hostname as per you choice at line that begins with 127.0.0.1

Save and close file. For this method you need to restart your system.

Verify Hostname#

After changed hostname using second method, you can again check hostname using hostnamectl command and now it should give output with new hostname as below:

  Static hostname: server.tecnstuff.net
Icon name: computer-vm
Chassis: vm
Machine ID: 287b816ad03c4f429f7bb49501983e1c
Boot ID: 7fd5cca4dd5c41f6ac53214e11fa3f57
Virtualization: oracle
Operating System: Debian GNU/Linux 9 (stretch)
Kernel: Linux 4.9.0-8-amd64
Architecture: x86-64

As you can see above the hostname is successfully changed from local.tecnstuff to server.tecnstuff.net .

Conclusion#

Finally, you learned how to change the hostname on Debian 9 system using different methods.

If you face any issues or have any suggestions you can leave a comment below.

If our content helps you, please consider buying us a coffee

Thank you for your support.

Share On
Share on Facebook
Share on Twitter
Share on Reddit
Share on Tumblr
 Previous Article How to Change Timezone on CentOS 7 Server
Next Article   How to Install Skype on Ubuntu 18.04 System

Related Posts

  • How to Change Hostname Debian 11

    How to Change Hostname on Debian 11

    February 3, 2023
  • How to Install Python 3.11 on Debian 11

    How to Install Python on Debian 11

    January 25, 2023
  • How to Change-Hostname Ubuntu 22.04

    How to Change Hostname on Ubuntu 22.04

    January 19, 2023

Leave a Reply Cancel reply

DigitalOcean Referral Badge

Popular Posts

  • How to Install SSH Keys on Ubuntu 22.04
    How to Set up SSH Keys on Ubuntu 22.04 January 7, 2023
  • How to Install Mongodb on Debian 11
    How to Install MongoDB on Debian 11 Linux January 11, 2023
  • How to Install Puppet Agent on Ubuntu 22.04
    How to Install Puppet Agent on Ubuntu 22.04 January 22, 2023
  • How to Install Jenkins on Debian 11
    How to Install Jenkins on Debian 11 January 5, 2023
  • How to Change-Hostname Ubuntu 22.04
    How to Change Hostname on Ubuntu 22.04 January 19, 2023
© 2020 TecNStuff All rights reserved. This website is using and storing cookies on your browser. By using this website you agree our Privacy Policy.  Follow us -  Twitter | Facebook