artknowledge@artknow:~ > passwd
Old Password: 
New password: 
Bad password: too similar
New password: 
Bad password: case changes only
New password: 
Bad password: too similar
passwd: Authentication token manipulation error
artknowledge@artknow:~ > passwd
Old Password: 
New password: 
Bad password: too simple
New password: 
Re-enter new password: 
Password changed
artknowledge@artknow:~ >