Learn how to add, delete, and grant sudo privileges to users in Red Hat Enterprise Linux (RHEL), AlmaLinux and Rocky Linux.

The sudo command lets users elevate their privileges to run admin tasks. But it's far from perfect. These tips can help.

Installing and updating the OS, managing user accounts, and looking after security are just a few of the primary responsibilities of a Linux systems administrator. While I don’t imagine that I’ll ever ...

Removing sudo rights from CentOS (top) and Ubuntu (bottom). How to create a new user with admin privileges on Linux Your email has been sent Black Hat: Security Researcher Unpacks Cybercrime’s ...

It’s not just knowing how to set up and maintain your servers and understanding how system commands work that makes you a good system administrator. You need to know how to fix things when something ...

Back in the early days of Linux, things were exponentially more complicated. The distributions were far less mature and required a particular system account to get things done. That account was root - ...

I'm not exactly new to linux, but I've had a very long run where I haven't had much contact with it. My first was setting up smb to run a fileserver. I also learned either ipchains or iptables (can't ...

This is the fourth in a series of articles on systems administrator fundamentals. These days, DevOps has made even the job title "systems administrator" seems a bit archaic like the "systems analyst" ...