introduction to computer networks
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Computer Networking Basics
Computer networking is a buzzword to the present world. By the virtue of computer networking, the world has become just like a village. So, anyone of the world can communicate with any person of the world within seconds as if they are living in a village. Computer networking does not mean a single element. A lot of networking elements and protocol work behind a computer networking. So, the computer guys who are interested to learn how computer networking works should learn the basic elements and protocol of computer networking. In this article, I will explain some basic networking terms which are frequently used in computer networking. If you are a beginner in computer networking and want to be a network administrator, you should understand these basic networking terms clearly. So, keep reading the rest of this article. I hope, it will be helpful for you. What Is a Computer Network? A computer network is nothing but some rules and regulations used to connect computers together. These computers may have at a small distance or large distance. Basically, a computer network is all of the components (Hardware, Cabling, Network Devices and Software) which are involved in connecting computers. The purpose of [...]
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Unlocking Digital Opportunities: A Beginner’s Guide to Computer Networking | October 14, 2025
Summary Computer networking has created the digital world, enabling communication networks that unite various regions of the world and connect any device in some way or another. Networking provides new opportunities to secure employment, act as freelance workers, or even pursue volunteer work, which is why it is worth investing in for career development. Being practical should be valued even more than theory. Even after setting up a home lab, reviewing real projects, and consulting trusted sources, you will learn [...]
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CentOS 8 Networking Configuration Using Cockpit Web Console | January 11, 2021
The first task after completing CentOS 8 fresh installation is to configure its networking so that it can be accessed from other network devices. In my previous article, I discussed how to install CentOS 8 Graphical User Interface (GNOME Desktop) with step by step screenshots. If you are a new CentOS 8 user and have not yet installed CentOS 8 on your server machine, feel free to follow that article and install CentOS 8 GNOME Desktop according to the article. [...]
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CentOS 7.5 Installation Step by Step with GUI (GNOME Desktop) | August 15, 2018
Linux is a free and open source operating system developed by Linus Torvalds on September 17, 1991. It is mainly used as server environment. A lot of Linux distributions are present today. Among them, Red Hat Linux is used as enterprise Linux. Red Hat is also known as Red Hat commercial Linux that means Red Hat is a paid service program. CentOS (Community Enterprise Operating System) is another Linux distribution that provides a free and open source, enterprise-class, community-supported server platform functionally compatible with [...]
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How to Get VMware ESXi Free License | November 5, 2021
You are here that means you are finding how to get ESXi free license because you have installed ESXi 6.7 or ESXi 7 and 60 days trial license has been expired and then all virtual machines have been powered off or you want to use VMware ESXi absolutely free of charge. Whatever your requirement, it is a good news that VMware provides free license with some limitations to use VMware ESXi absolutely free of charge. So, if you have a [...]
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MikroTik DNS Client and Caching DNS Server Configuration | April 7, 2019
Domain Name Server (DNS) is an essential part in a computer network. Today web communication cannot imagine without DNS. DNS is a client server protocol where DNS Client requests for the domain name resolution and DNS Server response on it. MikroTik Router has both DNS Client and DNS Server features. The DNS Client is used to resolve domain name to IP address from a DNS Server. On the other hand, the DNS Server feature provides domain name resolution for the [...]
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Enable F8 Menu to Enter Safe Mode in Windows 8 & 10 | August 27, 2015
Windows is the most popular operating system in the world. No computer user can go a single day without windows operating system. As windows is a popular operating system, it has a lot of viruses also. But windows provides various tools for removing these viruses. For removing any unwanted program, windows safe mode is a best option. A popular way to open windows safe mode is windows Advanced Boot Options. Advanced Boot Options provides different run levels for windows users so [...]
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IP Based Virtual Hosting on CentOS 7 with Apache Server | July 18, 2019
Virtual Hosting is a method of hosting multiple domains on single web server. If you have multiple domains (such as domain1.com, domain2.com and so on) and want to host on single web server, Virtual Web Hosting is your right choice. Apache web server provides an easy way to manage Virtual Hosting. Virtual Hosting can be either Name Based or IP Based. In Name Based Virtual Hosting, multiple domains can be hosted on single IP address. On the other hand, in [...]
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Why ISPs Should Embrace TR-069 ACS to Stay Ahead of Competitors | May 22, 2023
As the telecommunications industry becomes more competitive, local ISPs need to find ways to stay ahead of larger telcos and offer services that meet the changing demands of their customers. One of the solutions to this challenge is to implement TR-069 ACS server to help streamline network management, reduce costs, and increase efficiency. In this article, we’ll explore why the TR-069 ACS server is essential for medium-sized ISPs to stay competitive in today’s market. We’ll examine the challenges these ISPs [...]
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MikroTik Blocking All Websites Except a Few Websites | May 7, 2019
A few days ago, someone asked me how to block all websites except one with MikroTik Firewall. For this, I have decided to discuss about blocking all websites except someone’s whitelist. Unlike firewall devices, MikroTik Firewall by default allows all websites. So, if you need to block any website, you have to create a firewall rule that will block the specific website. Now if we want to block all websites and want to allow a few websites, we have to [...]
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