Backtrack Basic Info & Commands

• Once the installation of BackTrack is done, the default username and password required to log in Those are root(username) / toor (password) 
• After you are logged in you can start the GUI Environment by issuing the startx command
• To Check Ip Address type this command

            root@bt:~#ipc0nfig

• Setup IP Address Manually

  
  root@bt:~# ifconfig eth0 192.168.1.8
  
  root@bt:~# route add default gw 192.168.1.1
  
  root@bt:~# echo nameserver 192.168.1.1 > /etc/resolv.conf

• start & Stop services

  
  root@bt:~# /etc/init.d/servicename start 

          root@bt:~# /etc/init.d/servicename stop

• check kernel version

  
  root@bt:~# uname -a
• apt-get install downloads and all of its dependencies, and installs or upgrades them.
  
  apt-get remove [--purge] Removes and any packages that depend on it. –purge specifies that packages should be purged.
  
  apt-get update Updates packages listings from the repo, should be run at least once a week.
  
  apt-get upgrade Upgrades all currently installed packages with those updates available from the repo. should be run once a week.
  
  apt-get dist-upgrade [-u] Similar to apt-get upgrade, except that dist-upgrade will install or remove packages to satisfy dependencies.
  
  apt-cache search Searches packages and descriptions for .
  
  apt-cache show Shows the full description of .
  
  apt-cache showpkg Shows a lot more detail about , and its relationships to other packages.
  
  man apt Will give you more info on these commands as well as many that are in less common usage.
  

  Common dpkg commands

  
  dpkg -i Installs a package file; one that you downloaded manually, for example.
  
  dpkg -c Lists the contents of a .deb file.
  
  dpkg -I Extracts package information from a .deb file.
  
  dpkg -r Removes an installed package named 
  
  dpkg -P Purges an installed package named . The difference between remove and purge is that while remove only deletes data and executables, purge also deletes all configuration files in addition.
  
  dpkg -L Gives a listing of all the files installed by . See also dpkg -c for checking the contents of a .deb file.
  
  dpkg -s Shows information on the installed package . See also apt-cache show for viewing package information in the Debian archive and dpkg -I for viewing package information extracted from a .deb file.
  
  dpkg-reconfigure Reconfigures an installed package
  
  man dpkg Will give you more info on these commands as well as many that are in less common usage.