TOPIC / TAG
linux · Page 2
13 articles

journalctl Time Ranges That Save Time
Reduce a large systemd journal to the service, boot, time window, and priority that matter to an incident.

Check DNS With dig Before Changing It
When a DNS change shows up in some places but not others, a few dig queries reveal which layer still has the old answer.

Read Disk Usage Before Deleting Anything
A read-only first pass for understanding a full Linux filesystem before cleanup begins.