# How to change Compute Instance hostname ## Prerequisite * An instance running one of the following operating systems: Ubuntu 18.04-22.04, AlmaLinux 8, Rocky Linux 8, or CentOS 7-8. ## Instruction ## 1. **Access the instance you want to modify**
[SSH to the Linux Instance](https://docs-epc.gitbook.io/ncs-documents/ncs-documents-en/compute/compute-instance/ssh-to-linux-compute-instance). ## 2. **Use the following command to change the hostname** Replace with your desired new hostname. ``` $ sudo hostnamectl set-hostname ``` ## 3. **To verify the change was successful, use the command below.** Alternatively, you can log out and log back into the instance to see the updated hostname. ``` $ hostnamectl ```