Frequently asked questions for System administration

In this section we collect all frequently asked questions about System administration. Do you have a question or one that really should be listed here? Share your feedback. Thanks for your contribution!

How to see when a process was started

Linux has in-depth process information. Learn more about processes, such as when a process was started, using the ps tool.

How to see when the system was started (uptime)

There are multiple ways to see when a Linux system was started, such as using the uptime command, but also with commands like ps.