How to rename an ONMSi Linux server
Knowledge Base - How To
How to rename a Linux server (as in the hostname).
Define the server name with only letters, numbers and dash – (underscores are forbidden).
To rename a machine you need to disable the cloud configuration (ubuntu OS only)
• sudo touch /etc/cloud/cloud-init.disabled
then rename the server
• sudo hostnamectl set-hostname servername
then reboot
• sudo reboot