minlen=12 maxrepeat=3 ucredit=-1 lcredit=-1 dcredit=-1 ocredit=-1 difok=4 reject_username enforce_for_root The entire line should appear as shown$ sud
2020-08-12
password required pam_pwhistory.so use_authtok remember=4 retry=5First take the back up of common-password file . # cd /etc/pam.d/
2015-11-27