Ubuntu boot sequence

Nice mind map of Ubuntu 7.04 boot process

Ubuntu boot diagnosis - useful commands:

sudo blkid
sudo blkid -c /dev/null

ls /dev/disk/by-uuid


/dev/disk/by-path/pci-0000\:00\:1f.2-scsi-1\:0\:0\:0


udevadm test /sys/block/sda &> outfile
grep -i path outfile |less -S