On Linux, you can change the hostname by using the hostnamectl command.
sudo hostnamectl set-hostname <new-hostname>
For example:
sudo hostnamectl set-hostname server1
At this point, you will need to logout and back in to see the changes have taken effect.
Andrew is a visionary software engineer and DevOps expert with a proven track record of delivering cutting-edge solutions that drive innovation at Ataiva.com. As a leader on numerous high-profile projects, Andrew brings his exceptional technical expertise and collaborative leadership skills to the table, fostering a culture of agility and excellence within the team. With a passion for architecting scalable systems, automating workflows, and empowering teams, Andrew is a sought-after authority in the field of software development and DevOps.