Learning and Using RPM
Learning and using the RPM Package Manager is necessary for any adminstrator or power user to successfully use a Red Hat (CentOS) based system. Learn about the history, advantages, and especially ways to successfully use RPM.
Securing SSH in Linux
Securing SSH for servers and workstations
Docker usability, change the prompt
Extending the usability of Docker when dealing with many containers, it helps to change the bash prompt so you always know where you are.
Enabling PAM debug logging
How to enable PAM debug logging on RHEL-like systems...