Script to secure and harden Ubuntu.
HowTo: (I suggest trying out the script in a VM first.)
- Fill out missing information in file CSI-HD.conf
- Execute main script: CSI-HD-secure-Linux-script.sh
Parts are based on:
https://www.thefanclub.co.za/how-to/how-secure-ubuntu-1604-lts-server-part-1-basics