How to Install and Use ifconfig on CentOS 7
January 12, 2021
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.
Web Servers,Networking,SysAdmin,Virtualization
How to Deploy NGINX Reverse Proxy on Docker
January 6, 2021
The easiest way to set up a reverse proxy is using Docker and Nginx. Learn how to set up reverse proxy for web servers by running each service in a Docker container.
How Does SSH Work?
December 17, 2020
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.
How to Configure Proxy Settings on Ubuntu 20.04
December 10, 2020
Proxy servers are commonly found on local business networks, providing an additional security layer. Among personal users, they are popular because they help increase privacy and speed. This tutorial shows how to set up a proxy on Ubuntu 20.04.
How to Test Network Speed in Linux via CLI
November 25, 2020
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,
How to Change Hostname on Ubuntu 20.04
November 25, 2020
Hostname is a unique identifier of a computer on a network. This tutorial details ways in which you can change your Ubuntu 20.04 machine's hostname, using command line or GUI.
Apache 403 Forbidden: Reasons and How to Fix It
November 25, 2020
Despite the reliability of Apache web servers, '403 Forbidden' errors are not uncommon. This tutorial goes over different things that could cause an Apache '403 Forbidden' error and ways to fix them.
How to Install OpenVPN on CentOS 7 or 8
November 19, 2020
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…
How to Calculate Website or Web-Based Application Bandwidth Requirements
November 12, 2020
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.
Security,Web Servers,Networking
How to Fix the SSH “Connection Refused” Error
November 12, 2020
Fix SSH connection refused by troubleshooting some of the common causes for this problem. Take a look of all the reasons for connection refused error and how to fix the problem.