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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.

Linux keys on the keyboard for a desktop computer

Schedule backups, file cleanups, and other tasks by using this simple yet powerful Linux command-line tool. Download our new cron cheat sheet.
Neon colorized Raspberry Pi cluster with LEGOs

Establish central control over your Raspberry Pis with Cockpit.
Someone wearing a hardhat and carrying code

Ancient remnants can create strange problems.
Lock

Telnet's lack of encryption makes OpenSSL a safer option for connecting to remote systems.
A rack of servers, blue background

There is no nefarious plan, just one to bring service management into the 21st century.
Woman sitting in front of her laptop

Systemd's speed and ease make it a popular way to manage modern Linux systems.
eight stones balancing

Load balancing distributes resources to where they're needed most at that moment.