Quick Tip

Taming `journalctl`: Pinpointing Logs with Time Ranges

Challenge: When diagnosing issues, you often need to examine log entries within a specific time frame, but sifting through massive log files with `journalctl` can be tedious.

The Solution: Use the `–since` and `–until` options with `journalctl` to filter logs by date and time.

journalctl --since "YYYY-MM-DD HH:MM:SS" --until "YYYY-MM-DD HH:MM:SS"

Why it works: These options allow you to precisely define the start and end points for log retrieval, making it significantly faster to locate relevant entries for troubleshooting.

Pro-Tip: You can use relative times like “yesterday”, “1 hour ago”, or “10 minutes ago” for convenience.

Linux Tips & Tricks | © ngelinux.com | 4/30/2026