How to update and upgrade your current (backtrack 5 R1) backtrack machine into the latest version backtrack 5 R2, however backtrack 5 R2 will be release on 1st March but the kernel of BT5 R2 has been arrived and you can update it by yourself or wait for the official release. The new kernel of 3.2.6 BT5 R2 will provide a more stable and complete penetration testing environment than ever before.

apt-get update
apt-get dist-upgrade
reboot

OPTIONAL – Once rebooted, log back in, and get your pretty splash screen back.

fix-splash
reboot

On the next reboot, you should see the red console splash screen appear.
Verify that you are running a 3.2.6 kernel:

uname -a

You should see something like “Linux bt 3.2.6 …”
Feel free to install any or all of the new tools featured in BackTrack 5 R2:

apt-get install pipal findmyhash metasploit joomscan hashcat-gui golismero easy-creds pyrit sqlsus vega libhijack tlssled hash-identifier wol-e dirb reaver wce sslyze magictree nipper-ng rec-studio hotpatch xspy arduino rebind horst watobo patator thc-ssl-dos redfang findmyhash killerbee goofile bt-audit bluelog extundelete se-toolkit casefile sucrack dpscan dnschef

echo “deb http://updates.repository.backtrack-linux.org revolution main microverse non-free testing” >> /etc/apt/sources.list
apt-get update
apt-get dist-upgrade