====== Add HTTP Password Login to a Site ======
===== For adding the very first user =====
  - Find out the ''AuthUserFile'' path in the Apache config file. For Ubuntu, it is located in /etc/apache/conf-enabled/''YOUR_SITE_PROFILE''.conf. For this example, the path is /etc/apache2/.htpasswd
  - For create the ''FIRST'' account for user with login user1<code>sudo htpasswd -c /etc/apache2/.htpasswd user1</code>
  - Type in the new password for user1
  - Type the password again
  - The password is added.

===== For adding additional user =====
  - Type <code>sudo htpasswd /etc/apache2/.htpasswd anotheruser</code> Note that we do not have ''-c'' in the command.
  - Type in the new password for anotheruser
  - Type the password again
  - The password is added.