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CentOS 7 Network Configuration Using nmtui Tool
After completing CentOS 7 fresh installation, the first task to a system administrator is to configure its network so that it can communicate to other network devices. In my previous article, I discussed how to install CentOS 7.5 GUI (GNOME Desktop) step by step. If you are a new CentOS 7 user and yet you have not installed CentOS 7.5 on your server machine, feel free to study my previous article and install CentOS 7.5 GNOME Desktop according to that article. After completing installation, it is time to configure CentOS 7 network. In this article, I will show you how to easily configure your CentOS 7 network with Network Manager Text User Interface (nmtui) tool. How to Configure CentOS 7 Network In CentOS 7 Linux, the default networking service is provided by a dynamic network control and configuration daemon named NetworkManager. The NetworkManager tries to keep network devices and connections up and active when they are available. Although NetworkManager is a new and active service for controlling network in CentOS 7 Linux, the traditional ifcfg type configuration files are still supported. There are four methods to configure network in CentOS 7 Linux using NetworkManager. Network configuration using Text User Interface [...]
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DNS Server Configuration on CentOS 7 (Caching DNS with BIND) | June 24, 2019
DNS (Domain Name System) Server is an essential part to any computer network. Today web communication cannot imagine without DNS Server. DNS is a client server protocol where DNS Client requests for the domain name resolution and DNS Server response on it. Every network should have a DNS Server because local DNS Server improves network performance by caching DNS information and serving DNS request locally. DNS Server can be configured either Windows or Linux operating system. In this article, I [...]
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Red Hat/CentOS Network Configuration | August 4, 2017
Red Hat/CentOS network configuration or IP configuration is an important task to a Linux system administrator. After completing RedHat 7/ CentOS 7 fresh installation, you have to first configure your system network so that it can communicate to other network devices. In my previous article, I discussed how to install CentOS 7 core packages successfully on your physical machine. If you are a new CentOS 7 user and yet you have not installed CentOS on your machine, feel free to study [...]
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NGINX and PHP-FPM: A High-Performance Web Hosting Duo | September 26, 2024
When it comes to hosting high-performance websites or web applications, Nginx and PHP-FPM are often paired together due to their complementary capabilities. NGINX is a highly efficient web server which works seamlessly with PHP-FPM. PHP-FPM is a FastCGI Process Manager for PHP that is used to deliver fast, reliable, and scalable solutions for dynamic content. What is Nginx? Nginx (pronounced as “engine-ex”) is a lightweight, high-performance web server that is widely used for serving static content, load balancing and reverse [...]
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Ubuntu Server 20.04 Installation with LVM | May 28, 2021
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, Ubuntu is one of the best stable Linux distributions. Ubuntu has both Desktop and Server distribution. Ubuntu Server is a high performance and stable enterprise Linux distribution and it can be easily used in production. Ubuntu Server has both community-support and well documentation. So, IT guys can use Ubuntu [...]
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Download YouTube Video with Firefox Add-ons | August 26, 2015
YouTube is the most popular video sharing website. Statistics shows that YouTube is the second popular website of the world. So, it is nothing to say that you are a YouTube fan like me. As a YouTube fan, sometimes you may need to download YouTube videos which you like. Although, you often get an extra bandwidth for YouTube video streaming from your ISP now a days so that you can watch your favorite YouTube video without any buffering. But it [...]
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CAPsMAN Channel Planning with Non-Overlapping Frequency | March 16, 2020
MikroTik CAPsMAN is an excellent application for managing multiple CAPs (Controlled Access Point) in a Wireless Network. But multiple APs create frequency overlapping issue if channels are not configured properly. Channel overlapping is required for smooth connection while roaming but there should not be frequency overlapping because frequency overlapping makes wireless performance so poor. In my previous article, I discussed MikroTik CAPsMAN basic configuration with default channel configuration. In this article, I will discuss how to configure CAPsMAN channel to [...]
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MikroTik Router Integration and Configuration on GNS3 | September 19, 2018
GNS3 is a network simulator software used by hundreds of thousands of network engineers worldwide to emulate, configure, test and troubleshoot virtual and real networks. GNS3 can talk a large number of network vendors including MikroTik. MikroTik introduces Cloud Hosted Router (a RouterOS version) that is used to run as virtual machine and a virtual machine can easily be integrated with GNS3. So, network administrators who are fond of MikroTik Router can now configure, test and troubleshoot their MikroTik network [...]
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FreeRADIUS User Profile Configuration for MikroTik Router | January 10, 2019
FreeRADIUS is a high performance RADIUS application that accepts a large number of network devices as RADIUS Client including MikroTik Router. FreeRADIUS MySQL module helps to get user authentication and authorization information from database server and to store user accounting information in database server. Configuring MySQL user group and profile properly, freeRADIUS user restriction can easily be maintained. How to configure user group to apply user limitation was discussed in my previous article. In this article, I will discuss how [...]
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MikroTik EoIP Tunnel for Bridging LANs over the Internet | April 22, 2018
VPN (Virtual Private Network) is a technology that provides a secure tunnel across a public network. A private network user can send and receive data to any remote private network using VPN Tunnel as if his/her network device was directly connected to that private network. MikroTik provides EoIP (Ethernet over IP) that is used to create a site to site VPN tunnel. EoIP tunneling is a MikroTik RouterOS protocol that creates an Ethernet tunnel between two MikroTik Routers on top [...]
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