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.

6 Linux command-line tricks for fewer keystrokes

6 Linux command-line tricks for fewer keystrokes

Linux has many tricks that can reduce the number of keystrokes it takes to type in commands. Here are six of them.

How to best set up command aliases on Linux

How to best set up command aliases on Linux

Setting up the most useful aliases on Linux is a mix of what's otherwise annoying to enter, hard to remember or typed way too often.

Red Hat announces Red Hat Edge initiative

Red Hat announces Red Hat Edge initiative

Red Hat has outlined how it can bundle existing and new features to better support edge networks, an effort it calls Red Hat Edge.

Manipulating the Ubuntu dock to keep favorite apps handy

Manipulating the Ubuntu dock to keep favorite apps handy

You can make accessing some applications on Ubuntu quite a bit easier by adding them to the dock. In this post, we look at how you can manipulate the dock -- adding applications, changing the size of its icons and even moving it to a...

Linux commands for testing connectivity and transfer rates

Linux commands for testing connectivity and transfer rates

Here are five Linux commands that can verify connection speeds, analyze delays, and test whether other systems are reachable.

Taking control of your Ubuntu desktop

Taking control of your Ubuntu desktop

Ubuntu gives you control of what files show up on your desktop – even if they're not in your Desktop folder.

10 of the best ways to get help on Linux

10 of the best ways to get help on Linux

There are many ways to get help while working on the Linux command line. Here are details on some of the most useful.

Linux tricks to speed up your workday

Linux tricks to speed up your workday

Sometimes a new way of getting work done on the Linux command line can be both interesting and time-saving

What's on your Linux network?

What's on your Linux network?

A couple of simple Linux commands can provide a lot of information about the systems and devices attached to your network.

File systems and UUIDs on Linux

File systems and UUIDs on Linux

File systems and UUIDs have a special relationship on Linux systems. What are these very long identifiers and how can you view the connections between them and disk partitions?

Basic scripting on Unix and Linux

Basic scripting on Unix and Linux

If you're not yet comfortable with writing scripts on Unix and Linux systems, this post might get you off to a healthy start.

Creating and merging PDFs on Linux

Creating and merging PDFs on Linux

Linux systems offer a lot of choices when it comes to generating, converting or merging PDF files. This post examines some easy-to-use options.

Selectively reusing commands on Linux

Selectively reusing commands on Linux

Command history on Linux and Unix systems provides a lot more ways to rerun commands than you might know.

Smart ways to compare files on Linux

Smart ways to compare files on Linux

Many new tools for comparing files have emerged in Linux over the years. In this post, we'll examine seven very useful tools for doing that.

Random identity generation in Linux

Random identity generation in Linux

Generating a list of names, addresses and phone numbers can be very easy when you know what tools to use. Let's take a look at the rig command.

Factorials and unscrambling words with bash on Linux

Factorials and unscrambling words with bash on Linux

Solving problems with bash can be challenging, not just for us using Linux, but also for bash.

Serious 10-year-old flaw in Linux sudo command; a new version patches it

Serious 10-year-old flaw in Linux sudo command; a new version patches it

A vulnerability in sudo can elevate unprivileged users to root privileges.

Using the vim editor in Linux to quickly encrypt and decrypt files

Using the vim editor in Linux to quickly encrypt and decrypt files

Most Linux users know vim as a text editor that descended from vi. It can also function as a tool for encrypting text files. In this post, we examine how this is done and how to reverse the process.

Examining network connections on Linux systems

Examining network connections on Linux systems

Linux systems provide a lot of useful commands for reviewing network configuration and connections. Here's a look at a few, including ifquery, ifup, ifdown and ifconfig.

Looking into Linux user logins with lslogins

Looking into Linux user logins with lslogins

The lslogins command can help you look into details of user accounts and login activity

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