John the ripper

John the ripper
This is the method to install and use john the ripper in fedora..

1) Download john the ripper software

http://www.ziddu.com/download/6365223/jo...ar.gz.html

2) Extract it and then copy the text from

http://www.openwall.com/lists/john-users/2009/09/02/3

3) Save the copy text in john folder with john.patch.

4) Open terminal and go to john folder

cd Desktop/john-1.7.3.1

5) Now we have to patch our john software with following command

patch -Np1 -i john.patch

6) go to src folder

cd src

7) run this command

make linux-x86-sse2

8) cd .. and goto run folder cd run.

9) Run this commmand

./unshadow /etc/passwd /etc/shadow > filename

10) Finally run this command to crack password

./john filename