Resetting File Permissions And Ownership On RPM-Based Linux Systems

If you’ve come here looking to fix an errant recursive chmod or chown command on an RPM-based Linux system, then here is the quick solution. Run the following commands using root privileges: The –setugids option to the rpm command sets user/group ownership of files in a given package.  By using the -a option we’re telling … Read more

Managing Linux Users and Groups

In this video tutorial and cheat sheet, you’ll learn: Video Transcript: Each account consists of a username and a unique number called the UID, which is short for user ID. Also, each account has a default group to which it belongs, some comments associated with that account, a shell to start when the user logs … Read more

The Professional Approach to Upgrading Linux Servers

With the latest release of Ubuntu, I thought it would be the perfect time to talk about server upgrades. Specifically, I’m going to share with you the process that I’m using to perform upgrades. I don’t shy away from work, but I hate doing work that really isn’t needed. That’s why my first question when … Read more

Which Distro Should I Choose?

Linux Distributions for Professionals If you currently work in IT or aspire to work in IT, then use RedHat, CentOS, or Ubuntu. Linux Distributions for Hobbyists If you are using Linux as a hobby or for personal projects, then almost any Linux distro will work. Stick to the most popular distros as you will be … Read more