Linux Commands

20 DNF Commands Every Linux Administrator Should Know

Most people treat dnf as a drop-in replacement for yum and stop there. But that misses a lot of what

Most people run dmesg once, see thousands of lines, and close the terminal. But that’s not really how you should

Most sysadmins only use cat to dump a file and tail -f to watch logs. That leaves a lot of

Linux command line has a lot of fun around itself and many tedious task can be performed very easily yet

You’ve probably run df -h, waited a few seconds, and run it again while a file copy or backup was

Most Linux users come across the ! symbol in only two situations: when they learn the sudo !! shortcut, or

Linux provides tons of command line utilities that Linux administrators learned years ago are now outdated. They still work, the

For years, I never gave GNU coreutils much thought. They’re the standard Linux commands like ls, cp, mv, cat, sort,

You ran dnf update, and now something has stopped working. Instead of spending hours troubleshooting, you just want to go

You’ve just deployed a service, opened a firewall rule, or configured a reverse proxy, and now you want to confirm

resize2fs is the tool that lets an ext4 filesystem use the extra space you’ve added to a partition. Without it,

The at command lets you queue a one-off task to run once at a specific time, so you don’t have