Stupid SysAdmin tricks

When working on multiple remote systemd using the command line —

Be sure you’re working in the terminal for the correct system before entering the poweroff command.

How many times have I done that!?

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Editor's note: Cyndi is my yoga teacher and the coauthor of our book, "Linux for Small Business Owners." This article...

Here’s how to fix the GRUB menu configuration from the command line.

Use kernel messages to identify which disk device you can mount.

Here’s how I selectively apply updates, excluding any kernel packages.

Change pandoc’s curly quotes into straight quotes with this script.

I have a Raspberry Pi 3 that’s sat unused for the last few years. I used to run the Raspberry...