I ran into an odd issue the other day when I was working on a Linux box. I noticed a number of processes in the ps output were listed with the user’s UID instead of his username. It took a little ...

When you first sign into a Linux server to take over the role of managing it, there are a number of things that you will need to know right away about the system’s user accounts – such as where they ...

Authorization is the process of deciding if entity X is allowed to have access to resource Y. Determining the identity of X is the job of the authentication process. One task of authorization in ...

I have a RedHat 9.0 system and have set up a shell script that uses /bin/bash for it's execution. I have set up a user for the system that is presented with this script upon login. The script is ...

Most Linux distributions are considerably more secure than Windows out of the box. There are many reasons for that, including the inherent user and file permissions structure, the addition of ...