Sandra Henry-Stocker

Unix Dweeb

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Sandra Henry-Stocker has been administering Unix systems for more than 30 years. She describes herself as "USL" (Unix as a second language) but remembers enough English to write books and buy groceries. She lives in the mountains in Virginia where, when not working with or writing about Unix, she's chasing the bears away from her bird feeders.

The opinions expressed in this blog are those of Sandra Henry-Stocker and do not necessarily represent those of IDG Communications, Inc., its parent, subsidiary or affiliated companies.

Fetching Linux system details with screenfetch and neofetch

Many ways to sort file content on Linux

Many ways to sort file content on Linux

The Linux sort command has an impressive number of ways to sort, from alphanumeric to random. Here's a look at some of the more useful ones.

Monitoring failed login attempts on Linux

Monitoring failed login attempts on Linux

Failed logins can be legitimate human error or attempts to hack your Linux system, but either way they might flag something that warrants attention.

How to sort ps output

How to sort ps output

The ps command makes it fairly easy to sort its output by any column of data. In fact, you can sort it in the normal or reverse order. In this post, I'll present the --sort option and show how to use it. I'll also touch on how to pass...

Tagging commands on Linux

Tagging commands on Linux

Adding a tag to a Linux command can make it a little easier to reuse it. If you're struggling to remember complex commands or important locations in the file system, tags might help you out.

Using the Midnight Commander to browse Linux directories

Using the Midnight Commander to browse Linux directories

Midnight Commander is a powerful tool that provides an easy way to browse, compare, move, modify and manipulate files.

How to modify user-account settings with usermod

How to modify user-account settings with usermod

The usermod command allows you to make a lot of different changes to user accounts without having to carefully edit files like /etc/passwd, /etc/shadow and /etc/group. It's definitely worth your time to look into it.

Disowning a process in Linux

Disowning a process in Linux

When you disown a process in bash, you keep it from being terminated when you log out and allow it to finish on its own. This post shows how to use the disown command.

How to enforce password complexity on Linux

How to enforce password complexity on Linux

Linux gives you lots of ways to create complexity in passwords that include a lot more than just length, such as mixing upper- and lower-case letters with numerals and punctuation marks along with other restrictions.

How to download and play YouTube and other videos on Linux

How to download and play YouTube and other videos on Linux

The youtube-dl tool makes it very easy to download both webm and mp4 files on Linux systems. You just need the tool and the right URLs.

Navigating your Linux files with ranger

Navigating your Linux files with ranger

Ranger is a great tool for providing a multi-level view of your Linux files and allowing you to both browse and make changes using arrow keys and some handy commands.

Recovering deleted files on Linux with testdisk

Recovering deleted files on Linux with testdisk

This post describes testdisk, one of the tools that comes in handy for recovering recently deleted files (along with fixing partitions in other ways).

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