Saturday, August 22, 2015

HOWTO : John on Ubuntu 14.04 LTS

John the Ripper is a fast password cracker, currently available for many flavors of Unix, Windows, DOS, BeOS, and OpenVMS. Its primary purpose is to detect weak Unix passwords. Besides several crypt(3) password hash types most commonly found on various Unix systems, supported out of the box are Windows LM hashes, plus lots of other hashes and ciphers in the community-enhanced version.


sudo apt-get install build-essential libssl-dev

cd ~
mkdir arsenal
cd arsenal

tar -xvzf john-1.8.0-jumbo-1.tar.gz
cd john-1.8.0-jumbo-1/src

make clean

cd ../run
./john --help

* you can also install by sudo apt-get install john john-data


sudo apt-get update
sudo apt-get dist-upgrade

Go to Official site to download the source and compile it as mentioned above.


Please install Nvidia or AMD Graphic related drivers before installing John when necessary.

That's all! See you.