Linux

Cartoon: inside an NVR, seven CPU-core robots relax with coffee while one robot labeled CORE 4 is buried under an avalanche of network packets.

My UniFi NVR Had 8 CPU Cores. One of Them Was Doing All the Work.

Camera live view froze and stuttered for everyone. New PC, new cable, new switch port: nothing. The real problem was one CPU core inside the NVR choking on every network packet, and one Linux setting fixed it.

The Phantom Bad Blocks: How a 15-Year-Old Linux Bug Took Down 75 Security Cameras

A field report on diagnosing and repairing a RAID failure that wasn’t a hardware failure at all — and why ‘replace the disk’ would have made it far worse.