Sysadmin

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

Connect to your console for troubleshooting with Tio, a Linux serial communication program.

While systemd is not really a troubleshooting tool, the information in its output points the way toward solving problems.

Units are the basis of everything in systemd.

The core of a site reliability engineer's job is building scalable applications and infrastructure.

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