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.

Painless file extraction on Linux

How to stress test your Linux system

How to stress test your Linux system

Stressing your Linux servers can be a good idea if you'd like to see how well they function when they're loaded down. In this post, we'll look at some tools that can help you add stress and gauge the results.

How to assess user activity in Linux

How to assess user activity in Linux

In this post, we look at commands that Linux server admins can use to view user activity

How to loop forever in bash on Linux

How to loop forever in bash on Linux

Looping forever on the command line or in a bash script is easy. Coming up with the reasons why you want to interrupt an infinite loop and how you want to do that requires a little more effort.

5 ways to examine the content of files on Linux

5 ways to examine the content of files on Linux

How to use the cat, more, head and tail commands to look at the content of Linux files, not just text files.

How to find and remove broken symlinks on Linux

How to find and remove broken symlinks on Linux

A symlink or "symbolic link" is a Linux file that simply points at another file. If the referenced file is removed, the symlink will remain but not indicate there's a problem until you try to use it. Here are some easy ways to find...

How to use tmux to create a multi-pane Linux terminal window

How to use tmux to create a multi-pane Linux terminal window

tmux is a terminal multiplexer – a tool that allows you to open multiple panes in a single terminal window and run separate commands in each of them. This post provides an introduction to tmux including how to navigate between the...

How to use Windows Subsystem for Linux to open Linux on Windows 10 machines

How to use Windows Subsystem for Linux to open Linux on Windows 10 machines

Opening a Linux terminal on a Windows 10 desktop can help you practice your Linux skills and explore Windows from an entirely different point of view. In this post, we look at Ubuntu 18.04 running through Windows Subsystem for Linux...

How to examine processes running on Linux

How to examine processes running on Linux

The ls command is far from the only command that can let you examine running processes on Linux. Let's run through some command options and what they can tell you.

How to repeat a Linux command until it succeeds

How to repeat a Linux command until it succeeds

You can easily set up a Linux command that keeps trying until it succeeds. Let's look at how to loop your way to success

Red Hat Summit 2020 virtual experience

Red Hat Summit 2020 virtual experience

Attending Red Hat Summit 2020 from my home office was not just informative. It was encouraging and reassuring. And, while it's over now, you can still go.

What's new in Red Hat Enterprise Linux 8.2

What's new in Red Hat Enterprise Linux 8.2

RHEL 8.2 has new capabilities for management of hybrid-cloud environments and container tools to help fuel cloud-native development.

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