chess, physics, math, family, humor, philosophy, music(bass), Christ...not in that order
Asteroids, Meteors & Comets. List of chord progressions. TED Education Talks. Linux. All the Best Linux Cheat Sheets. Linux Security Quick Reference Guide - An awesome security checklist reference IP Tables - If you are interested in Linux firewalls this is a must have TCPDump - Great cheat sheet to an awesome security tool Wireshark Filters - An awesome list of filters for the best packet sniffing utility IP Access Lists - Cheat sheet for IP Access Lists Common Ports - In case you don’t have all common ports memorized netcat - Reference to the swiss army knife of networking.
Linux OS. Linux Mint. NC Manufacturers by NAICS Industry Sector.