How to change AWS Linux AMI2 hostname
As a best practice, it is recommended to change the system hostname according to project infrastructure inventory. User-friendly hostname provides us ability to quickly identify the system components of the project easily. Login to the system with ec2-user sudo hostnamectl set-hostname aws-mgmt Successfully updated hostname [ec2-user@ aws-mgmt ~]$ Reference: https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/set-hostname.html