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Ubuntu 18.04 Change Hostname

Follow the following post to change hostname:

https://linuxize.com/post/how-to-change-hostname-on-ubuntu-18-04/

1. sudo hostnamectl set-hostname [new hostname]
2. nano /etc/hosts
3. ls -l /etc/cloud/cloud.cfg

If there is a cloud.cfg file, edit the following to "true"

4. # This will cause the set+update hostname module to not operate (if true)
preserve_hostname: true


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