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 ...

Linux Administration: A Beginner’s Guide by Wale Soyinka is a hands-on manual for IT staffers who must dance with Windows and Linux. It is a practical guide for network admins who deploy and maintain ...

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 ...

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 ...

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 ...

Sudo is one of the most powerful and dangerous tools in the Unix or Linux system administrator's toolbox. With it, an ordinary user can run commands just as if he or she were the superuser or any ...