Hydra

# Basic hydra usage
# hydra -l [username] -P [wordlist] [protocol]://[ip addr]
$ hydra -l kelvin -P /usr/share/wordlists/rockyou.txt ssh://10.10.70.140

John

# Basic john usage
# ssh key
$ /usr/share/john/ssh2john.py id_rsa > id_rsa.john

# KeePass
$ /usr/sbin/keepass2john xxxx.kdbx > xxxx.john

$ john --wordlist=/usr/share/wordlists/rockyou.txt xxxx.john