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  • GNS3 Installation and Configuration Step by Step in Windows

    GNS3 (Graphical Network Simulator) is one of the most popular network simulator software used by hundreds of thousands of network engineers worldwide to emulate, configure, test and troubleshoot virtual and real networks. GNS3 supports a large number of vendors such as MikroTik, Cisco, Juniper, Windows, Linux and many other vendors. GNS3 can be installed on Windows, Linux and MAC Operating System. In this article, I will show how to download and install GNS3 application in Windows Operating System. I will also show how to configure a basic network in GNS3 that will communicate with the real networks. GNS3 Download for Windows Operating System GNS3 is completely free and open source software. So, it can be downloaded from its official website without any charge. In GNS3 official website, the installation file is found for major three operating platforms (Windows, Linux and MAC). The following steps will show how to download GNS3 installation file (.exe) for Windows Operating System. Go to GNS3 official website (gns3.com) from your favorite web browser. You must Sign Up and Login before any download. So, Sign Up and Login with your personal information. Now click on DOWNLOAD menu item. GNS3 current version (now it is 2.1.9) information [...]

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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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    Guest WiFi – How to Setup on MikroTik AP |   April 30, 2024

    Guest WiFi helps to keep your network safe and secure. Any sensitive wireless network should have a guest network. So, Guest WiFi is so essential for an office network. In a corporate office, guests or visitors frequently come and get connected to get internet for a few times. It is so much security issue to keep guest or visitor in the core network because among them someone can damage important network resources. So, to keep them isolated from the core [...]

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    6 Best VPN Providers to Consider in 2022 |   October 19, 2021

    There are many VPN providers on the market. It can be difficult to know which one is best for you, but luckily we have compiled a list of six of the best! Get ready for our top picks. What is a VPN? A VPN, or virtual private network, hides and encodes your internet traffic so that you can surf the web more securely. By doing so, it protects your data from hackers and prying eyes. Think of a VPN as [...]

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    Firewalld Installation and Configuration in Ubuntu Server |   May 5, 2022

    Firewalld is an awesome host based firewall management tool for Linux Operating System. Firewalld has developed on Fedora but it is now available for almost all Linux distributions. So, Firewalld can be installed in Ubuntu Server although Ubuntu Server has UFW as the default firewall system. Firewalld is more robust and easy to maintain than UFW, I think. So, I am going to discuss how to install and configure Firewalld in Ubuntu Server.  Installing Firewalld in Ubuntu Server By default [...]

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    MikroTik WiFi MAC Authentication with UserMan RADIUS Server |   December 23, 2019

    MikroTik Wireless Router is popularly used as WiFi AP. MikroTik WiFi AP has a lot of features to tune WiFi network as your requirements. MAC authentication is one the amazing and useful features in MikroTik WiFi. MAC authentication enables filtering MAC address that means no MAC can be able to connect to WiFi AP without authentication.  MAC authentication can be done either local database or RADIUS Server. MAC authentication with RADIUS Server provides facility to manage multiple APs from centralized [...]

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    MikroTik Radius Configuration with FreeRADIUS |   December 7, 2018

    FreeRADIUS is a high performance RADIUS suite that provides authentication, authorization and accounting facility for a large number of network devices including MikroTik Router. Although MikroTik has user manager RADIUS service to provide authentication, authorization and accounting facility but it is not free for customization and not suitable for medium to large organization. On the other hand, freeRADIUS is free for customization according to your organization requirements. But freeRADIUS has to be customized by you. In my previous article, I [...]

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    Setting Google as Default Search Engine |   September 30, 2015

    Google is one of the most popular search engines to any online user. It is said that no online user cannot go a single day without Google search engine. Google search statistics shows that over 40,000 search queries are processed every second by Google. If you have any query about any subject, just type in Google search box and Google will show you billion of results related to your search query within less than a second. So, usually you will want [...]

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    Port Based Apache Virtual Hosting on RHEL 7 |   July 26, 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 Hosting is your right choice. Apache web server provides an easy way to manage Virtual Hosting. Virtual Hosting can be Name Based, IP Based or Port Based. In Name Based Virtual Hosting, multiple domains can be hosted on single Server and single IP address. On the [...]

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    LVM Management in CentOS/Red Hat 7 Linux |   March 15, 2019

    LVM (Logical Volume Manager) is the recommended partition method for CentOS/Red Hat 7 Linux. Specially, if we work on Mail Server, File Server, FTP Server, Web Proxy Server or any application where disk space changes frequently, the LVM partition is mandatory in this case. In my previous article, I discussed how to install CentOS 7.5 with LVM partitioning. If you are new here or CentOS 7 is not yet installed, I will suggest you to follow my previous article and [...]

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