How to change Linux hostname
Here are some methods to change hostname for a certain Linux system.
Introduction
In Linux, the hostname is a label assigned to a device connected to a computer network. It is used to identify the device on the network. The hostname is an important aspect of the Linux operating system because it is used by many system services to identify the device. In this blog post, we will discuss how to change the hostname for Linux.
Steps to Change Hostname for Linux
One-time Change
Side effect, ineffective after reboot
hostname {NEW host name}
Permanently Change
1 revise /etc/hosts
127.0.0.1 localhost {NEW host name}
2 revise /etc/sysconfig/network
HOSTNAME={NEW host name}
Using hostnamectl
hostnamectl set-hostname NAME
Conclusion
Changing the hostname for Linux is a straightforward process that can be done in a few simple steps. By following the steps outlined in this blog post, you can easily change the hostname of your Linux system.