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 ...

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 ...

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 ...

This book explores system administrator fundamentals. These days, DevOps has made even the job title “system administrator” seem a bit archaic, much like the “systems analyst” title it replaced. These ...