How I automate file edits with ‘sed’
Here’s a neat command line trick to make changes to a text file.
How ActivityPub is Reshaping Social Networking
I have been a Mastodon user for nearly six years. I started on Fosstodon and have since moved to Mastodon. social but that’s unimportant because both Mastodon instances are...
My Go-To Podcasts for Linux and Open Source
I spend much time on the road or walking around my village and enjoy listening to podcasts about various topics. One of my interests is...
New book announcement
I'm currently working on a new book that will be available in July 2025, "systemd for Linux SysAdmins: All You Need to Know About The...
Using the dmesg command
As a SysAdmin I frequently need to access the kernel log to obtain information of various types. This can range from searching for why a...
How to get started in open source?
Linux, LibreOffice, GnuCash, and Audacity are all open-source projects, meaning the folks who write the code and/or the documentation are usually not paid for it....
How Linux keeps time
Knowing the exact time is important to computers for many reasons. A GPS, which is a computer, needs to know the exact time so it...
A Journey Towards Ad-Free Photography Sharing
I’ve been interested in photography since I co-opted my father’s Kodak 620 camera as a young boy. I used it to take pictures of the...
Personal backups with ‘rsync’
Make backups of your personal data in case your laptop is lost, stolen, or damaged.
How to get a clean screen — on the command line
After some time using terminal sessions they can get a bit cluttered with previous commands and their output data streams. At other times, I want...
Using enumerations in C
Using enumerations with enum makes it easy to store values in a program, yet keep the code easy to read.
How to do updates on the command line
Keeping your Linux computer as safe as possible from various types of cyber attacks is only possible if you perform updates regularly and upgrade to...
The Linux Philosophy for SysAdmins, Tenet 16 —Find the simplicity
Author’s note: This article is excerpted in part from chapter 18 of my book, The Linux Philosophy for SysAdmins, with some changes to update the...
For a traditional Unix experience, try Crux Linux
The Linux operating system can be implemented in many ways, and these implementations can very generally be divided into "traditional" Unix and modern Linux. This...
Empowering Everyone: Accessibility Features in LibreOffice
LibreOffice.org is my preferred productivity suite, and I've covered how I use it both as a graphical office suite and a terminal command in the past. In this article,...
Using bit fields and bit masks in C
Using bit fields and bit masks is a common method to combine data without using more complex structures.