How to Install OSRM on Ubuntu 20.04 - Open Source Routing Machine

OSRM (Open Source Routing Machine) is a super fast routing engine for OpenStreetMap (OSM) road networks. In previous tutorials, we explained the process of setting up a self-hosted OpenStreetMap tile server and how to add address lookup functionality to your map with Nominatim. This tutorial is going to show you how to add navigation functionality…


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How to Install OSRM on Ubuntu 20.04 - Open Source Routing Machine

How to Set Up Authoritative DNS Servers with Webmin

In previous tutorials, we explained how to set up authoritative DNS servers and edit DNS records from the command line. However, some folks prefer to use a web GUI to edit DNS records. This tutorial is going to show you how to set up authoritative DNS servers with Webmin, which is a free open-source web-based…


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How to Set Up Authoritative DNS Servers with Webmin

How to Create DNS Records at Cloudflare

In my mail server tutorials, I recommend running mail server on ScalaHosting VPS, because their IP addresses are not on any blacklist. And I also recommend purchasing a domain name from NameCheap because the price is low and they give whois privacy protection free for life. It’s a good practice to buy web hosting and…


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How to Create DNS Records at Cloudflare

How to Install Webmin on CentOS 8/RHEL 8 Server

Webmin is a free and open-source control panel for administering Unix/Linux servers. This tutorial will be showing you how to install Webmin on CentOS 8/RHEL 8 server. Webmin provides users with a graphical web-based user interface to configure common system tasks and settings. If you don’t like the idea of using the command line to…


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How to Install Webmin on CentOS 8/RHEL 8 Server

How to Install Webmin on Ubuntu 20.04 Server

Webmin is a free and open-source control panel for administering Unix/Linux servers. This tutorial will be showing you how to install Webmin on Ubuntu 20.04 server. This tutorial also works on Ubuntu 20.10. Webmin provides users with a graphical web-based user interface to configure common system tasks and settings. If you don’t like the idea…


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How to Install Webmin on Ubuntu 20.04 Server

How to Fix "can't read superblock" Error on Linux (ext4 & Btrfs)

Recently my Linux desktop computer can’t mount my 5TB external hard disk drive (HDD), and the file manager displays the “can’t read superblock” error on the screen. I’m going to share with you what I did to fix the error, so if you are in the same situation, this article may help you. But before…


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How to Fix "can't read superblock" Error on Linux (ext4 & Btrfs)