Backtrack 5 Commands for Beginners

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


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 > 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.

5 comments:

SushiLord said...

Raj... Good tutorial for newbie in BT5..
I wonder if you can teach me more about command bt5r2....
I did n found any toturial about how to connect broadband in bt5r2...
Could you please help me sir?

Obaid said...

excellent for new one...

phyo nyi said...

thanks for your tutorial. i'm newbie too. teach me more, please.

Anonymous said...

thanks bro

Anonymous said...

nice bro

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