Learn how to setup a firewall with UFW on an Ubuntu / Debian cloud server.

This tutorial shows you how to configure system services to automatically restart after a crash or a server reboot. We cover the three most common init systems in this tutorial: System V, Upstart, and systemd.

Forgetting passwords happens to the best of us. If you forget or lose the root password to your MySQL or MariaDB database, you can still gain access and reset the password if you have access to the server and a sudo-e...

The Apache web server is the most popular way to serve web content on the internet. The Apache provides a modular and scalable server that can satisfy the needs of large and small sites alike. In this guide, we will...

Being able to import and export your database is an important skill to have. You can use data dumps for backup and restoration purposes, so you can recover older copies of your database in case of an emergency, or you...

In this DigitalOcean article, we are going to see set up Apache on Ubuntu 13 and use it as a reverse-proxy to welcome incoming connections and redirect them to application server(s) running on the same network. For th...

This tutorial will guide you through the process of installing and managing different versions of Java using apt-get on Debian 8. The programming language Java and the Java virtual machine or JVM are extensively used ...

Adding and deleting users are basic tasks that you will have to preform on most servers. Granting sudo privileges to allow users to perform administrative functions is another common requirement. In this article, we...

In this second tutorial about starting Linux services automatically, we'll take a step back and explain init processes in more detail. You should gain a good understanding of how they control a daemon's start-up behav...

This tutorial will focus on installing and configuring OpenDKIM: an open source implementation of the DKIM sender authentication system.

In this tutorial, we will set up a Django development environment. We’ll install Python 3, pip 3, Django and virtualenv in order to provide you with the tools necessary for developing web applications with Django.

This tutorial explains how to install Apache, how to install MySQL, how to change the root MySQL password, how to install PHP, and how to see what libraries are available. LAMP stack is a group of open source software...

Here's our tutorial on installing and managing Supervisor on Ubuntu and Debian.

When you first create a new Debian 9 server, there are a few configuration steps that you should take early on as part of the basic setup. This will increase the security and usability of your server and will give you...

Java is a programming technology originally developed by Sun Microsystems and later acquired by Oracle. Oracle Java is a proprietary implementation for Java that is free to download and use for commercial use, but not...

A Virtual Private Network (VPN) allows you secure access to a remote server. In short, this allows the end user to mask connections and more securely navigate an untrusted network. With that said, this tutorial teache...

HTTP redirection is a way to point one domain or address to another. There are a few different kinds of redirects (301 Moved Permanently and 302 Found), each of which mean something different to the client browser. Yo...

Node.js is a JavaScript platform for general-purpose programming that allows users to build asynchronous network applications quickly. By leveraging JavaScript on both the front and backend, Node.js can make web appli...

OpenVPN is a full-featured, open-source Secure Socket Layer (SSL) VPN solution that accommodates a wide range of configurations. In this tutorial, you will set up an OpenVPN server on a Debian 10 server and then confi...

Linux and the applications that run on it can generate all different types of messages, which are recorded in various log files. Linux uses a set of configuration files, directories, programs, commands and daemons to ...