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

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.
Penguins

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

The Glances tool offers more information about system performance than other sysadmin monitoring tools.
Command line prompt

Think you know everything about sudo? Think again.
Man at laptop on a mountain

There are lots of ways to save time as a sysadmin. Here's one way to build a web app using open source tools to automate a chunk of your daily routine away.
People work on a computer server with devices

The best way to increase your value to an organization is to get to know the people around you.