In order to create the file that will store the passwords needed to access our restricted content, we will use a utility called htpasswd. This is found in the apache2-utils package within the Ubuntu repositories. Update the local package cache and install the package by typing this command. We will take this opportunity to also grab the Apache2 server in case it is not yet installed on the server:     sudo apt-get update     sudo apt-get install apache2 apache2-utils   Create the Password File We now have access to the htpasswd command. We can use this to create a password file that Apache can use to authenticate users. We will create a hidden file for this purpose called .htpasswd within our /etc/apache2 configuration directory. The first time we use this utility, we need to add the -c option to create the specified file. We specify a username (sammy in this example) at the end of the command to create a new entry within the file:   ...