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.
systemd — #8: Analyzing systemd calendar and timespans
Learn how systemd uses calendar time, timestamps, and timespans to control when things happen.
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.
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.
systemd — #6: Control your computer time and date with systemd
Keep your computer time in sync with NTP, Chrony, and systemd-timesyncd.
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.
Draw a heart for Valentine’s Day
With a bit of programming, you can draw your own Valentine heart in graphics mode on FreeDOS.
Open Hearts, Open Source: Celebrating Valentine’s Day with Creativity and Community
It’s Valentine’s day so we have to share the love!
How I use Drupal as an advanced blogging platform
Drupal is a flexible and powerful blogging platform that I enjoy customizing to suit my needs.
Open source runs on non-code contributions
Sometimes the hardest part of becoming an open source contributor is realizing how much you have to offer.
Drupal 10 is worth a fresh look
Drupal 10 is chock-full of useful features, a fresh look, and a brand-new editor. That makes it an exciting time to try Drupal.
Looking ahead to 30 years of FreeDOS
Learn about the origins of this classic open source operating system.
Explore the cosmos from your armchair
Remember the days when exploring the cosmos meant bundling up, venturing out into the night, and hoping your local planetarium wasn't booked solid? Those stargazing...
systemd — #4: How to use systemd as a troubleshooting tool
systemd is powerful troubleshooting tool. The information we can extract from it points the way toward solving problems.
How I hacked my Linux system with a Live USB device
I used a Fedora Live USB to hack into my systems, enter recovery mode, and resolve a problem that I’d created on multiple computers.
systemd — #3: Using the systemctl command to manage systemd units
Units are the basis of everything in systemd so we’ll explore them in more detail and use the systemctl command to investigate and manage units.