Tag
LOG Files
Log files: how to read them, what log levels mean, and how to open and search files too big for a normal editor.
4 posts
How to Search Log Files Effectively: grep, Find and Filters
Practical techniques for finding the right line in a log: search by level, ID and time, use context, exclude noise and combine filters with grep or an editor.
Oct 1, 2026·4 min read
How to Open Large Log Files Without Crashing Your Editor
Normal editors choke on log files of hundreds of megabytes. Learn how to open, view and search huge .log files safely, including command-line options.
Sep 30, 2026·4 min read
Log Levels Explained: DEBUG, INFO, WARN, ERROR and FATAL
What each log level means, how severity filtering works, how to choose a level in production, and what the level names look like in different logging systems.
Sep 30, 2026·4 min read
What Is a Log File? How to Read One and What to Look For
A log file is a time-ordered text record of what a program did. Learn what .log files contain, how to read them and how to find the line behind a problem.
Sep 29, 2026·4 min read