Goal: Restrict content access through username and password entry on an Nginx server. 1: Apache Utilities Package First, update your server’s package index: sudo apt updateCheck if the utilities package exists in your environment by executing the command dpkg --get-selections | grep apacheResponse: apache2-utils install libapache-pom-java installSo it exists.  But what do you do if it doesn't exist? How come I need to install apache-utils?  To restrict access you will be using...

How to count the number of files in a directory.  At some point you'll have a directory or directories that you need to know the number of files in them.  On Linux, the list command (ls) is piped with the wc -l command. ls | wc -lThis command works great if all the files are located in one directory.  What about if you have multiple directories.  Then you will need to use the find command piped with the wc command find <directory> -type f | wc -lThis command only...