Tech Docs

PoeLLM has compromised more than 3,400 servers, targeting exposed AI infrastructure for cryptomining while using a GitHub-hosted poem to calculate changing command-and-control addresses.

CORS is the browser security system that decides when a website can read data from another origin. Here is how origins, preflight requests, headers, credentials, and common CORS errors work.

Learn Linux setfacl: add and remove named-user and group ACLs, manage masks, create default ACLs, apply recursive changes, and verify with getfacl.

Ransomware operators are abusing Palo Alto Networks GlobalProtect CVE-2026-0257 to establish unauthorized VPN access on vulnerable PAN-OS and Prisma Access deployments.

Learn Python logging configuration with dictConfig, including handlers, formatters, logger namespaces, propagation, levels, and JSON-based configuration.

KNOD is testing a new Linux networking model that sends XDP and IPsec packet processing directly to GPUs from inside the kernel, with reported results up to 70 Mpps and 80 Gbit/s.

Learn how OSPF Area 0, Area Border Routers, inter-area routes, and multi-area verification work through a practical three-router engineering lab.

Learn how SSD endurance works: TBW, NAND wear, wear leveling, TRIM, write amplification, SMART telemetry, TLC vs. QLC, and temperature.

Why does restarting a computer fix so many problems? Rebooting clears temporary state, restarts stuck processes and drivers, frees leaked memory, and can finish pending updates.

GoMining now breaks digital-miner rewards into electricity, service fees, discounts, reinvestment, reward protection, and miner-level break-even prices instead of showing users one unexplained daily payout number.

Atomic Machines’ PrimeSwitch PS-150 is a 150-amp micro-machined relay designed for hybrid DC breakers in 800-volt AI data centers. Its promise is low conduction loss, 50-microsecond opening, and real galvanic isolation—but engineers still need to validate endurance, thermal limits, and full breaker behavior.