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.
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.
systemd — #2: Understanding Linux startup with systemd
systemd’s startup provides important clues to help you solve problems when they occur.
systemd — #1: Learning to love systemd
systemd is the mother of all processes, responsible for bringing the Linux host up to a state where productive work can be done.
How the 9 major tenets of the Unix/Linux philosophy affect you
The Linux Philosophy is not just a historical curiosity — it’s more relevant today than ever.
Using logical operators on the Bash command line
Add powerful logic to the command line with control operators in compound commands.
The impact of the Linux philosophy
The philosophy of an operating system matters. The Linux philosophy matters to the operating system and to the community.
How I use cron in Linux
Scheduling tasks with cron means programs can run but you don’t have to stay up late.
How I configure Vim as my default editor on Linux
Vim is my favorite editor. These changes to my system make Vim available as the default in programs that use a different editor by default.
Monitoring Linux and Windows hosts with Glances
The Glances tool offers more information about system performance than other sysadmin monitoring tools.
SysAdmin careers: Curiosity is an asset
Curiosity may have killed the cat, but it helps the sysadmin grow and thrive.
A user’s guide to links in the Linux filesystem
Learn how to use links, which make tasks easier by providing access to files from multiple locations in the Linux filesystem directory tree.
How I used journalctl to Determine the Source of an Electrical Problem
The journalctl command can extract interesting data from the systemd journals. I never thought it could help with hardware electrical problems – until I tried it.