Change Computer name/hostname in ubuntu linux

If you didn't paid much attention to changing computer/machine name while installation and now want to change it or just want to change it. you need to edit two files /etc/hostname and /etc/hosts and replace your hostname with the new one. I will use nano editor to do so. nano is a console (terminal) based text editor, so the file will open in the terminal itself.

Simply follow these steps.

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