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.

How to identify same-content files on Linux

How to identify duplicate files on Linux

How to identify duplicate files on Linux

Some files on a Linux system can appear in more than one location. Follow these instructions to find and identify these "identical twins" and learn why hard links can be so advantageous.

Working with variables on Linux

Working with variables on Linux

Variables often look like $var, but they also look like $1, $*, $? and $$. Let's take a look at what all these $ values can tell you.

How to quickly deploy, run Linux applications as unikernels

How to quickly deploy, run Linux applications as unikernels

Unikernels are a smaller, faster, and more secure option for deploying applications on cloud infrastructure. With NanoVMs OPS, anyone can run a Linux application as a unikernel with no additional coding.

How to manage your Linux environment

How to manage your Linux environment

Linux user environments simplify your use of the system in many ways. Viewing your settings and modifying them can be tricky, though. Here’s how to do it.

Tips for using the Ip command to print from Linux systems

Tips for using the Ip command to print from Linux systems

The lp command on Linux systems provides numerous options for printing, such as multiple pages per sheet and page borders, but also just a few quirks to keep you on your toes.

Printing from the Linux command line

Printing from the Linux command line

There's a lot more to printing from the Linux command line than the lp command. Check out some of the many available options.

How to configure a static IP address on Linux

How to configure a static IP address on Linux

When you need a Linux system to have a static IP address rather than one that is set dynamically, all that's required is some configuration changes and a restart. Follow these steps to make the switch.

Cryptocurrency miners exploit Docker flaw

Cryptocurrency miners exploit Docker flaw

A container flaw discovered just last month has been exploited by hundreds of attackers, including cryptocurrency miners, cybersecurity company Imperva says.

Linux security: Cmd provides visibility, control over user activity

Linux security: Cmd provides visibility, control over user activity

Cmd helps organizations monitor, authenticate, and block user activity that goes beyond expected Linux system usage.

How to identify shell builtins, aliases and executable files on Linux systems

How to identify shell builtins, aliases and executable files on Linux systems

Learn what a shell "builtin" on a Linux system is, as well as what commands identify builtins and allow you to retrieve useful information about your working environment. and how to determine if a command is one or if s Let's...

Sitting in the Linux cockpit

Sitting in the Linux cockpit

Linux Cockpit is a web-based interface that provides graphical administrative access to a system. Here's a look at what it allows you to control.

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