Kernel Development

Greg Kroah Hartman on Linux Plumbing
http://video.google.com/videoplay?docid=3385088017824733336#

Screen cast
http://www.youtube.com/watch?v=L2SED6sewRw

http://www.kroah.com/linux/talks/ols_2005_driver_tutorial/
http://www.kroah.com/linux/talks/portable_kernel_code_talk_2001_10_02/
Got both above from here
http://www.kroah.com/linux/

http://www.advancedlinuxprogramming.com/
http://www.codesourcery.com/qmtest

http://www.google.co.in/search?q=codesourcery&ie=utf-8&oe=utf-8&aq=t&rls=org.mozilla:en-US:official&client=firefox-a

Difference between initrd and initramfs
http://ldn.linuxfoundation.org/article/the-kernel-newbie-corner-initrd-and-initramfs-whats-up-with-that
Some information can be searched here
http://www.linux.com/search/kernel+newbie+corner/%252F?ordering=oldest&searchphrase=exact&limit=20