Learn how to search inside files in Linux using grep, find, and ripgrep. Useful to debug configs, search logs, and explore codebases fast.

If you really want to see what's happening beneath the hood of your Linux distribution, you need to use log files.

Linux system log files are by default set to rotate. Depending on the age or size, a sequence of files moves back a step, the oldest being removed and a new one taking over as the current log file ...