Basic Backtrack Commands

How to Login in BackTrack:

Once the installation of BackTrack is done, the default username and password required to log in are root / toor respectively.

How to Open GUI Environment BackTrack?

After you are logged in you can start the GUI Environment by issuing the startx command.

How to check IP address?

root@bt:~# ifconfig

How to 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

How to Change the Root Password?

root@bt:~# passwd Enter new UNIX password: {enter your new password here}

Retype new UNIX password: {enter your new password again}

passwd: password updated successfully

root@bt:~#

How to start services?

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

Starting Virtual private network daemon(s)…

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

How to check kernel version?

Use the uname -a as show below

Common Apt Commands:

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 <package< b="" style="margin: 0px; padding: 0px; ">> Shows a lot more detail about , and its relationships to other packages.</package<>

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

Will come back to you soon with detailed Backtrack tutorials...