Secure a Linux Server with SSH Keys, UFW and Automatic Updates
Harden a beginner Linux server in the safe order: add an SSH key, verify a second session, allow SSH in UFW, open web ports and enable security updates.
Field notes, operating decisions and tested methods—organized so you can find the next useful answer in seconds.
1 articles
Harden a beginner Linux server in the safe order: add an SSH key, verify a second session, allow SSH in UFW, open web ports and enable security updates.