CAS500-2: South Korea launched its own satellite into orbit https://sudonull.com/cas500-2-south-korea-launched-its-own-satellite-into-orbit
South Korean satellite CAS500-2 with 0.5 m resolution was launched into orbit by SpaceX Falcon 9 rocket. Analysis of geopolitical implications and technological sovereignty. Read details.
Tianlong-3 Failure: Reasons for Launch Failure https://sudonull.com/tianlong-3-failure-reasons-for-launch-failure
Analysis of the Debut Launch of the Chinese Reusable Rocket Tianlong-3: Explosion at 30 Seconds, Engine Specifications, Comparison with Falcon 9. Analysis for Engineers.
Async-background: background tasks in Ruby without Redis and Postgres https://sudonull.com/async-background-background-tasks-in-ruby-without-redis-and-postgres
Learn how async-background replaces Sidekiq without external dependencies. Resource utilization control, reliable queue on SQLite, deterministic sharding. Save on infrastructure!
RP2040 Fan Controller: DIY PWM Build Guide https://sudonull.com/rp2040-fan-controller-diy-pwm-build-guide
Build a custom RP2040 PWM fan controller that fully shuts off fans and integrates with FanControl for silent PC cooling. Perfect for high-end rigs—get full control over noise and temps today.
eBPF rootkit in Linux: DB leak via contractor https://sudonull.com/ebpf-rootkit-in-linux-db-leak-via-contractor
Breakdown of a real eBPF rootkit case: symptoms, detection with bpftool, attack chain via contractor. Protection measures for Linux servers: 2FA, bpf() audit, Falco. Learn how to prevent PII exfiltration.