Linux for Beginners #10 — Logs | journalctl, /var/log, debugging workflow
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In this video, we dive deep into professional IT workflows to help you learn faster and code smarter. Whether you're a DevOps engineer, a SysAdmin, or a curious developer, our "No Filler" approach ensures you get the facts without the fluff.
Logs are the system's voice. Learn to read journalctl efficiently, navigate /var/log, and build a repeatable debugging workflow — so a "frozen server" stops being a panic moment.
📚 IN THIS PART YOU'LL LEARN
✓ journalctl — modern systemd logs
✓ journalctl -u, -f, --since filters
✓ /var/log — traditional log files
✓ Logrotate — why you don't have to clean manually
✓ A debugging workflow: symptom → log → cause → fix
✓ tail -f and follow mode
⏱️ TIMESTAMPS
00:00 Intro
01:30 journalctl — basics
02:00 -u, -f, --since filters
03:00 /var/log — the traditional spot
04:30 logrotate — automatic maintenance
05:00 Debugging workflow in practice
06:00 tail -f and follow-mode tricks
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🎓 ABOUT THE LINUX FOR BEGINNERS SERIES
This 24-part series assumes zero prior knowledge and takes you all the way to running a hardened, public-facing VPS. Every part stands alone, but the full series gives you a complete mental model of how Linux really works.
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