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...