How to change hostname in Ubuntu 18.04 permanently (Step by step)

In this video you will learn how to change hostname in Ubuntu 18.04 permanently with very easy step. I have share all command in below.

Step 1: Open Terminal
Step 2: hostnamectl
Step 3: sudo hostnamectl set-hostname(put your new hostname here)
Step 4:sudo nano /etc/hosts (for permanently change)
Step 5: sudo reboot
Now your hostname change successfully.
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