Ubuntu 12.04 LTS安装Backtrack 5工具

1. sudo vi /etc/apt/source.lst
2. Add following Backtrack 5 Ubuntu repository 

• deb http://all.repository.backtrack-linux.org revolution main microverse non-free testing
• deb http://32.repository.backtrack-linux.org revolution main microverse non-free testing
• deb http://64.repository.backtrack-linux.org revolution main microverse non-free testing
• deb http://source.repository.backtrack-linux.org revolution main microverse non-free testing

If repository above not work, you can use following repository (taken from indonesian backtrack community)

• deb http://backtrack.indowebster.com/repo/all revolution main microverse non-free testing
• deb http://backtrack.indowebster.com/repo/32 revolution main microverse non-free testing
• deb http://backtrack.indowebster.com/repo/source revolution main microverse non-free testing

 3.需要导入证书公钥： sudo gpg --keyserver subkeys.pgp.net --recv 475A6B7F
sudo gpg --export --armor 475A6B7F | sudo apt-key add -
然后:sudo apt-get update ;   sudo apt-get upgrade.
ok,在软件中心就能搜到backtrack 5的工具了，也可以通过apt-get install [toolsname]来安装，GO！