Create htpasswd entry and print to stdout:

$ sudo apt install apache2-utils # Optional

$ htpasswd -n $USERNAME
New password: 
Re-type new password: 
$USERNAME:<Password Hash>

Rails Long Term Support

Rails LTS provides security patches for old versions of Ruby on Rails (2.3, 3.2, 4.2 and 5.2)

create htpasswd entry and print to stdout