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Sysadmins are the unsung heroes of the technology world. The sysadmin article collection includes open source tools for admins, career-related advice, and handy how-to's.

Penguin with green background

Learn how systemd determines the order services start, even though it is essentially a parallel system.
computer servers processing data

Connect to your console for troubleshooting with Tio, a Linux serial communication program.
Magnifying glass on code

While systemd is not really a troubleshooting tool, the information in its output points the way toward solving problems.
woman on laptop sitting at the window

Units are the basis of everything in systemd.
Open data brain

The core of a site reliability engineer's job is building scalable applications and infrastructure.
collection of hardware on blue backround

Time-saving shortcuts for a commonly used open source tool.
Wratchet set tools

Five tools to help you find the source of your users' IT problems when you don't know where to start.

No time for commands? Scheduling tasks with cron means programs can run but you don't have to stay up late.