cara upgrade kernel backtrack 4

Assalamu'alaikum

inyong coba menerangkan dikit bagaimana cara upgrade kernel backtrack 4
final ke kernel ubuntu mungkin para sobat blogger pengguna backtrack
sudah mengerti di sini saya cuma share z yang baru di pelajari,,.

tuk update kernel mah tinggal perintah ini z yang kita gunakan

apt-get update
apt-get install -d linux-image
cd /var/cache/apt/archives/ dpkg -i --force-all linux-image-
2.6.30.5_2.6.30.5-10.00.Custom_i386.deb
apt-get dist-upgrade
apt-get install madwifi-drivers
apt-get install r8187-drivers

root@zuchri:~# apt-get update
Get:1 http://archive.offensive-security.com pwnsauce Release.gpg [489B]
Get:2 http://archive.offensive-security.com pwnsauce Release [9106B]
Get:3 http://archive.offensive-security.com pwnsauce/main Packages
[1532kB]
Get:4 http://archive.offensive-security.com pwnsauce/microverse Packages
[74.1kB ]
Get:5 http://archive.offensive-security.com pwnsauce/macroverse Packages
[14.2kB ]
Get:6 http://archive.offensive-security.com pwnsauce/restricted Packages
[11.9kB ]
Get:7 http://archive.offensive-security.com pwnsauce/universe Packages