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.

Keeping track of Linux users: When do they log in and for how long?

How to manipulate PDFs on Linux

How to manipulate PDFs on Linux

The pdftk command for Linux systems provides many options for working with PDFs, including merging pages, encrypting files, applying watermarks, compressing files, and even repairing PDFs.

How to manage logs in Linux

How to manage logs in Linux

Log files on Linux systems contain a LOT of information — more than you'll ever have time to view. Here are some tips on how you can make use of it without ... drowning in it.

Getting help for Linux shell built-ins

Getting help for Linux shell built-ins

Linux built-ins are commands that are part of a user’s shell. Sandra Henry-Stocker explains how to recognize them and get help on their use.

Mastering user groups on Linux

Mastering user groups on Linux

Managing user groups on Linux systems is easy, but the commands can be more flexible than you might be aware.

Will rolling into IBM be the end of Red Hat?

Will rolling into IBM be the end of Red Hat?

IBM's acquisition of Red Hat is a big deal -- a $34 billion big deal -- and many Linux professionals wonder how it's going to change Red Hat's role in the Linux world. Here are some thoughts.

Linux a key player in the edge computing revolution

Linux a key player in the edge computing revolution

Edge computing is augmenting the role that Linux plays in our day-to-day lives. A conversation with Jaromir Coufal from Red Hat helps to define what the edge has become.

Undo releases Live Recorder 5.0 for Linux debugging

Undo releases Live Recorder 5.0 for Linux debugging

Debugging on multi-process systems just got significantly easier with the release of Live Recorder 5.0 from Undo.

Tracking down library injections on Linux

Tracking down library injections on Linux

Library injections are less common on Linux than they are on Windows, but they're still a problem. Here's a look at how they work and how to identify them.

Exploring /run on Linux

Exploring /run on Linux

There's been a small but significant change in how Linux systems work with respect to runtime data. Here's an overview of the change to /run.

How to send email from the Linux command line

How to send email from the Linux command line

Linux offers several commands that allow you to send email from the command line. Here's look at some that offer interesting options.

How Linux can help with your spelling

How Linux can help with your spelling

Whether you're struggling with one elusive word or checking a report before you send it off to your boss, Linux can help with your spelling.

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