Goal: Restrict content access through username and password entry. 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 a utility called...

I’m recently doing an IoT project. I wanted to investigate the network layer, and to do so I use Wireshark to capture the network traffic between my iOS apps and IoT hardware. Let’s see how to start packet sniffing using Wireshark!   Install Wireshark Wireshark is free and open-source. You can download Wireshark from its official website https://www.wireshark.org/. Once installed, open Wireshark and run the following command to check the existing interfaces: ifconfig...