[eJPT]John the Ripper Cheat Sheet

Combine passwd file with shadow file:
# unshadow ./passwd ./shadow > ./crackme

Brute force the combination file:
# john -incremental --users=root ./crackme
OR without specifying any user:
# john -incremental ./crackme

Dictionary Crack:
# john --wordlist=/usr/share/wordlists/rockyou.txt ./crackme
OR with applying mangling rules:
# john --wordlist=/usr/share/wordlists/rockyou.txt  -rules ./crackme

Read what have been cracked:
# john --shown ./crackme

Crack others with John
1) Apply the following command to locate those commands being able to convert those encrypted into a hash:
# locate *2john
2) Export a hash from an encrypted file (e.g. RAR):
# rar2john ./encrypted.rar > ./encrypted.rar.hash
3) Crack it:
# john --wordlist=/usr/share/wordlists/rockyou.txt ./encrypted.rar.hash