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.

The many faces of awk

Viewing enabled and running services on Linux with systemctl

Viewing enabled and running services on Linux with systemctl

Systemd and the systemctl command play vital roles in most of today's Linux systems. This post explains commands for peering into some aspects of how they work.

Commands to find Linux-package updates

Commands to find Linux-package updates

Here are easy ways to list upgrades available for installed packages on Fedora, Ubuntu and related Linux systems.

Find out what packages are installed on your Fedora system

Find out what packages are installed on your Fedora system

The dnf command can uncover a wealth of information about what file packages are installed on Fedora and related systems

Installing fonts on your Linux system

Installing fonts on your Linux system

If you've never looked into the availability of free fonts for Linux, you've got a big surprise coming. There are many thousands of uniquely appealing fonts, and adding them to your system is very easy.

Backing up not just your data, but your productivity

Backing up not just your data, but your productivity

When we run into a serious problem that threatens our ability to get our work done, it just might be time to rethink what "backing up" should involve.

How to dig up configuration details on your Linux system with getconf

How to dig up configuration details on your Linux system with getconf

It's not hard to look up configuration details on your Linux system. The hard thing is wrapping your brain around how many are available and what they can tell you.

Peering into binary files on Linux

Peering into binary files on Linux

Here are eight Linux commands for looking into binary files and viewing details about what executables are doing when they run.

Checking Linux system performance with sar

Checking Linux system performance with sar

The sar command can provide detailed system metrics on just about every aspect of system performance. You can query it on as as-needed basis or set it up to provide daily reports.

Rescuing a Linux system from near disaster

Rescuing a Linux system from near disaster

When a Linux user finds his system nearly out of disk space and unwilling to save files, fellow Linux users online provide a solution.

What you can find out asking which, whereis and whatis in Linux

What you can find out asking which, whereis and whatis in Linux

The where, whereis and whatis commands summarize commands, show where executables are, and point to relevant man pages.

Troubleshooting your bash scripts

Troubleshooting your bash scripts

Bash provides some handy techniques for troubleshooting bash scripts, and they're very easy to use.

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