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1

Emulating systems with QEMU

May 9, 2025May 5, 2025
2

Make typing faster with the Keebio BDN9 macro pad

May 8, 2025May 4, 2025
3

Code like it’s the 1980s

May 7, 2025May 4, 2025
4

Standard UNIX password manager

May 6, 2025
5

GIMP: the free Photoshop alternative

May 5, 2025May 1, 2025
6

The case of the Borked HDD

May 3, 2025May 3, 2025
7

The Linux Philosophy for SysAdmins, Tenet 20—Follow your curiosity

May 2, 2025May 2, 2025
8

How to get started with Linux

May 1, 2025April 27, 2025
9

How to find Open Source Software to replace your Windows software

April 30, 2025April 30, 2025
Open Source

What open source means to me

When I entered the open source community 12 years ago, I didn’t know the meaning of open source software. I had to Google the definition when I was offered a copy editing role on the Opensource.com team at Red Hat.

Jen Wike Huger
February 28, 2024February 27, 2024
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systemd

systemd — #11: Managing resources with cgroups in systemd

Cgroups manage resources per application rather than by the individual processes that make up an application.

David Both
February 27, 2024February 27, 2024
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Linux System Administration Tools

4 open source tools for Linux system monitoring

Information is the key to resolving any computer problem, including problems with or relating to Linux and the hardware on which it runs. There are many tools available for most distributions. These tools can be used to obtain huge amounts of information.

David Both
February 26, 2024November 21, 2024
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Hardware

How I got RGB Lighting Working on my Corsair Keyboard

A good keyboard is important to your health and productivity. It can be fun, too.

David Both
February 25, 2024February 20, 2024
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Linux Tips and tricks

Transfer files between your phone and Linux

Are you looking for a way to quickly copy files from your iPhone or Android mobile device to your Linux computer or from your Linux...

Don Watkins
February 24, 2024February 15, 2024
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Linux Networking

How I disabled IPv6 on Linux

Simplify your network by disabling IPv6.

David Both
February 23, 2024
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Linux System Administration systemd

systemd — #10: Analyze Linux startup performance

Use systemd-analyze to get insights and solve problems with Linux startup performance.

David Both
February 23, 2024February 23, 2024
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Linux systemd Tools

systemd — #9: Using systemd journals to troubleshoot transient problems

Find the root cause of hard-to-track errors by diving into your systemd journals.

David Both
February 22, 2024January 21, 2025
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Applications Linux

Generate QR codes with this open source tool

Create QR codes the easy — FOSS — way.

Don Watkins
February 21, 2024February 15, 2024
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Linux Networking

Diagnose connectivity issues with the Linux ping command

Networking is what makes the Internet, the cloud, file shares, media streaming, remote administration, printing, and much more possible. When something goes wrong, it can sometimes be challenging to diagnose. One of the most fundamental diagnostic tools for networked connectivity is the ping command.

Don Watkins
February 20, 2024February 8, 2024
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Linux systemd

systemd — #8: Analyzing systemd calendar and timespans

Learn how systemd uses calendar time, timestamps, and timespans to control when things happen.

David Both
February 19, 2024
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systemd

systemd — #7: Use systemd timers instead of cronjobs

systemd timers provide a more fine-grained control of events than cronjobs and offer more scheduling possibilities.

David Both
February 18, 2024February 18, 2024
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Linux Open Source Software

Chart Your Course: Essential Open Source Software for Boat Owners

Whether you’re sailing down a local river or setting out on the open seas, keep track of your nautical location with OpenCPN.

Don Watkins
February 17, 2024July 1, 2024
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Linux systemd

systemd — #6: Control your computer time and date with systemd

Keep your computer time in sync with NTP, Chrony, and systemd-timesyncd.

David Both
February 16, 2024February 7, 2024
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Linux systemd

systemd — #5: How I manage startup using systemd

systemd starts as many services as possible in parallel during the Linux startup sequence. Learn how to create a new systemd service and how to determine the order in which services start within that parallelism.

David Both
February 15, 2024April 27, 2025
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Fun Programming

Draw a heart for Valentine’s Day

With a bit of programming, you can draw your own Valentine heart in graphics mode on FreeDOS.

Jim Hall
February 14, 2024February 3, 2024
Read More

Posts pagination

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Random Quote

A carelessly planned project takes three times longer to complete than expected; a carefully planned project takes only twice as long.

— Laws of computerdom according to Golub

Interesting Links

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Linux

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Open Source Software

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  • About Us
  • Linux
    • Why I use Linux
    • The real reason we use Linux
  • My Linux Books
    • systemd for SysAdmins
    • Using and Administering Linux – Zero to SysAdmin: 2nd Edition
    • The Linux Philosophy for SysAdmins
    • Linux for Small Business Owners
    • Errata
      • Errata for The Linux Philosophy for SysAdmins
      • Errata for Using and Administering Linux — 1st Edition
      • Errata for Using and Administering Linux — 2nd Edition
  • Open Source Resources
    • What is Open Source?
    • What is Linux?
    • What is Open Source Software?
    • The Open Source Way
  • Write for us
    • Submission and Style guide
    • Advertising statement
  • Downloads

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