journalctl step by step
In this video, we walk through journalctl step by step so you can finally read and understand system logs without feeling overwhelmed. You’ll see real examples in the terminal and learn a small set of commands you can actually remember and use. By the end, you’ll know how to get the right logs at the right time when something goes wrong.
You’ll learn how to view logs, filter them, and follow them in real time so you can troubleshoot issues with confidence. Instead of staring at thousands of lines of text, you’ll know exactly which commands to run and why. This is a core skill for real-world IT work, whether you’re supporting servers, helping users, or preparing for your first Linux job.
What you’ll learn:
• How to open and read logs with journalctl
• How to see the most recent log messages
• How to follow logs live while you test or restart services
• How to view logs for a specific service
• How to limit logs to the current boot or a time range
This lesson is designed to reduce confusion and anxiety around Linux logging so you feel more in control at the terminal.
00:00 Intro
00:27 What is journalctl
01:04 View most recent logs
01:30 Follow logs in real time
02:11 Logs for a specific service
02:32 Logs since last boot
03:01 time filter
03:30 Troubleshooting Notes
04:44 Real world use case
05:54 Combining filters
06:25 Outro
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