Networking and Domains

How to Configure a Firewall with UFW on Debian 9

May 23, 2020March 4, 2020 by Jeff Wilson

In this tutorial, we will show you how to install and use the UFW firewall system on a Linux VPS running Debian 9. Security is a very important thing to consider when you run your own server.

UFW (Uncomplicated Firewall) is a simple and user-friendly front-end for managing iptables firewall rules – UFW aims to provide an easy to use interface for the user, making a secure server more accessible to more users. It is specially designed for beginner users who are unfamiliar with firewall concepts.

Let’s begin with the installation.

How to Configure WordPress to use a Remote Database

May 23, 2020July 18, 2018 by Jeff Wilson

WordPress is the most popular content management system (CMS) based on PHP and MySQL. When your WordPress CMS grows in traffic and you have outgrown your current server resources, a professional solution is to host your database on a separate database server. With this solution, you can optimize your database and your web server independently and both servers can grown on it’s own machine. In this tutorial we will guide you on how to configure WordPress to use a remote database, on a CentOS 7 based VPS.

Enable Proxy Settings for Yum Command on CentOS 7

June 11, 2020July 5, 2018 by Jeff Wilson

In this article, we will show you how to enable proxy settings for yum command on CentOS 7. Yum is a package manager tool that works with RPM packages. It is available on RedHat Enterprise Linux, CentOS, and older versions of Fedora, and it is the most convenient way to handle OS packages and its dependencies on these operating systems.

When a server can only be accessed through proxy servers, you need to configure yum to use a proxy server so you can install a RPM package, or update the currently installed OS packages.
To configure a proxy server so the system user can access and use yum commands is fairly easy and straight to the point task, and it shouldn’t take more then 5 minutes to configure it. Let’s get started.

How to Fix the 502 Bad Gateway Error in WordPress

May 23, 2020June 5, 2018 by Jeff Wilson

Have you ever seen the very annoying and frustrating 502 bad gateway error on a WordPress site? Yes, I think we all have encountered the issue. Do you know what 502 bad gateway error means? Do you know how to solve the issue? In this blog post, we will provide you with detailed information about the 502 Bad Gateway Error in WordPress, and tell you how to troubleshoot the 502 Bad Gateway Error in WordPress as well.

How to Redirect a Domain

May 23, 2020January 11, 2018 by Jeff Wilson

We’ll show you, how to redirect a domain. URL redirection, also called URL forwarding, is a World Wide Web technique for making a web page available under more than one URL address. When a web browser attempts to open a URL that has been redirected, a page with a different URL is opened. There are few ways to redirect a domain and it depends on the web server used etc. In this tutorial we are going to show you, how to redirect a domain with Apache web server and URL redirection with NGINX web server.

HTTP errors in WordPress

May 23, 2020January 2, 2018 by Jeff Wilson

We’ll show you, how to fix HTTP errors in WordPress, on a Linux VPS. Listed below are the most common HTTP errors in WordPress, experienced by WordPress users, and our suggestions on how to investigate and fix them.

How to Install OpenVPN on CentOS 7

May 23, 2020November 14, 2017 by Jeff Wilson

In this tutorial, we will show you how to install and configure an OpenVPN server on CentOS 7. OpenVPN is one of the most popular VPN software solutions that implements virtual private network techniques for creating secure point-to-point or site-to-site connections. This guide should work on other Linux VPS systems as well but was tested and written for an CentOS 7. Installing openVPN on CentOS7 is an easy task, just carefully follow the steps bellow and you should have it done in less than 10 minutes.

How to configure remote and secure connections for MySQL on Ubuntu 16.04

May 23, 2020August 31, 2017 by Jeff Wilson

In this article, we will show you how to configure remote and secure connections for MySQL on Ubuntu 16.04 VPS. If you are using an unencrypted connection to connect to your remote MariaDB/MySQL server, then everyone with access to the network could monitor and analyze the data being sent or received between the client and the server. This guide should work on other Linux VPS systems as well but was tested and written for an Ubuntu 16.04 VPS.

How Can I Move My Blog from WordPress.com to My Own Domain?

May 23, 2020June 27, 2017 by Jeff Wilson

WordPress is without a doubt one of the best free blogging platforms and services available on the market today. It offers a wide variety of customization options and tools that will allow even those without technical knowledge to get their blog up and running in mere minutes. However, once a blogger uses WordPress’ official site as their blog for a while, he or she will begin to notice the limitations of the free WordPress.com service.

How to Open Ports in Ubuntu and CentOS using IPtables

May 23, 2020March 14, 2017 by Jeff Wilson

We’ll show you, How to Open Ports in Ubuntu and CentOS using IPtables. Having a properly configured firewall is very important for the overall security on your server. In this tutorial, we are going to show you how to set up your firewall and open the ports you need on your Linux VPS, using iptables. Let’s get started.