Networking

Learn how to improve your network speed by setting up a Raspberry Pi as a DNS server in this step-by-step guide.

The Telnet client is not the best cybersecurity practice, however it is very useful for port troubleshooting. Learn how to turn on the Telnet client feature and check for open ports on Windows.

The who command belongs to the GNU coreutils package in Linux. Its main purpose is to provide system administrators with information about the users who are currently logged into the system. This tutorial provides examples for the use of the command along with its options.

The ss (socket statistics) tool is used for displaying various network and socket statistics. It is a faster version of the neststat tool. This article gives an in-depth overview of how to use it with various examples.

Read about the most commonly used netstat commands for Linux and see examples of their usage.

The ifconfig command is a tool for network interface management that is used to enable/disable interfaces, manage IP addresses, netmasks, MAC addresses, etc. This tutorial shows how to install and use the ifconfig command on CentOS 7.

SSH is a network protocol designed to provide a more secure network communication by employing encryption. This article deals with the mechanism behind SSH and its layers, and lists some of its common use cases.

This article shows you numerous ways to test network speed in Linux via CLI. Learn how to install and use 9 online tools to test internet speed from the command prompt window,

In this tutorial, you will learn how to set up OpenVPN on a CentOS 7 server and how to connect to OpenVPN from a client machine. Establish a secure connection to a company network, bypass geo-restrictions, and allow you to surf the web using public Wi-Fi networks while keeping your data private with OpenVPN.

Read through the article to learn how to determine the required bandwidth for your website and web-based applications. The guide also talks about bandwidth, data transfer, and the differences between them.