Create user and group (same as userName) and create home dir
 
useradd -m -U <userName> 
 

Lock account

passwd -l <userName>


Unlock account

passwd -u <userName>


Reset failed login count

faillog -u <userName> -r


Show account aging info

chage -l <userName>


Change the last passwd change date for a user

chage -d YYYY-MM-DD  <userName>