Beware that since latest Ubuntu kernel upgrades (14.04.02), you may lose network rebooting your servers! I’ve had the problem four days ago, rebooting one of my OpenNebula hosts. Still unreachable after 5 minutes, I logged in physically, to see all my “p1pX” and “p4pX” interfaces had disappeared. Checking udev rules, there is now a file fixing … Continue reading Don’t trust the Tahr