Ubuntu 12 04 modifications

/etc/init/failsafe.conf

comment sleep to bring up the system quickly even on failure

/boot/grub/grub.cfg

recordfail set timeout to 2 seconds. That allows grub to boot after accidential system shutdown.

==/etc/udev/rules.d/70-persistent-net.rules remove hardware address from eth0 and wlan0 lines. This allos the usage of different COM express modules and wlan adapters