Bio

Sr. security and systems architect specializing in Linux security, administration, and automation. Also experienced with networking, public and private clouds, and 24x7 scalable production environments. Author of Linux Hardening in Hostile Networks and DevOps Troubleshooting for Addison Wesley, the Official Ubuntu Server Book for Prentice Hall and author of Knoppix Hacks first and second editions, Knoppix Pocket Reference, Linux Multimedia Hacks and Ubuntu Hacks, and contributing writer to Windows XP Hacks, Running Linux, and the Big Book of Windows Hacks, all by O'Reilly Media. Award-winning columnist for Linux Journal magazine and published in Techtarget, PC Magazine and other publications. I speak frequently on Open Source software including keynotes at FOSDEM, OpenWest, Freenode Live and SCALE, and presentations at O'Reilly Security Conference, BsidesLV, CactusCon, OSCON, Linux Fest NorthWest, Linux World Expo, and Penguicon. Specialties: Linux security and hardening, Linux system administration, technical writing, automation, troubleshooting, forensics