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In this article, we will talk about Swap files, and how to create swap space in Linux using a swap file. But before we begin, we need to clarify what swap actually is. Swap is reserved disk space that is used as a place where the OS can temporarily store data when the physical RAM memory is full or close to full. In other words, swap is reserved virtual memory on the disk. Usually, swap is used to improve and maintain system performance when we are dealing with some resource-heavy tasks.

Part of using a Linux-based operating system is using the package manager of your Linux distribution to download and install new software. On CentOS/RHEL-based distributions for example, the EPEL repositories provide you with almost everything you need. And often when a pre-installed repository is unavailable, you can manually add it and the files will be downloaded securely after verifying it with a key.

However, sometimes you have no choice but to download the packages directly over the Internet. One example is the operating systems themselves. If you want to download a new distribution, you’ll have to get it from a website.

In this tutorial, we will show you how to set up MyWebSQL on Ubuntu 18.04 server. MyWebSQL is a free and open-source web-based WYSIWYG client for managing the databases on your server...

Jupyter is a popular browser-based interactive notebook for programming, mathematics, and data science.

In this tutorial, we will show you how to install PHP 7.3 on Ubuntu 18.04. PHP (Hypertext Preprocessor) is an open-source server-side scripting language designed primarily for creating dynamic interactive websites. PHP is one of the most popular languages and it is freely available for redistribution and modification. PHP powers WordPress, the most popular content management system used for blogging and building websites as well as many other e-commerce websites, customer relationship management software, enterprise resource planning software, and much more.

WordPress is the world’s leading content management system. Used by tens of millions of web pages and internet creators alike, WordPress is the backbone of most blogs and news outlets. Webpage performance with WordPress is also typically one of the fastest available. In this tutorial, we will show you how to install WordPress with LAMP stack on Ubuntu 18.04.

Joomla is a content management system that allows you to develop websites and publish web content easily in a user-friendly way. It is open-source, free to use and is built on a mobile-ready model–view–controller web application framework. In this tutorial, we will show you how to install Joomla on Ubuntu 18.04. It should work everywhere but we will do this on one of our Joomla hosting servers.

ERPNext is a completely robust ERP framework intended for small and medium-sized businesses. It covers an extensive variety of features, including accounting, CRM, inventory, selling, purchasing, manufacturing, projects, HR and payroll, website, e-commerce, and more – all of which make it profoundly adaptable and extendable.

Nextcloud is a free and open source, self-hosted file share and communication platform based on PHP. It is a great alternative to some of the popular services of this type, such as Dropbox, Google Drive, OwnCloud, etc… With Nextcloud you can easily store the data on your Ubuntu 18.04 VPS, create and manage your contacts, calendars, todo lists, and much more. In this tutorial we will install Nextcloud version 15 on an Ubuntu 18.04 VPS, which is a major release and it comes with a lot of new features and improvements.

In this guide we will show you how to install Tomcat on an Ubuntu 18.04 VPS. Tomcat is an open source web server and servlet container developed by the Apache Software Foundation (ASF) that executes Java servlets and renders Web pages that include Java server page coding.

In this article, we will show you how to install PHP 7.3 on Ubuntu 16.04. PHP (Hypertext Preprocessor) is an open-source server-side scripting language and is widely used for creating dynamic web pages. PHP is among the most popular languages because it is secure, fast, simple, efficient, flexible and a loosely typed language. PHP can be run in any operating platform (Windows, Linux, MacOS) and almost on any web server (Nginx, Apache). PHP 7.3.0 was officially released on December 6, 2018 and it contains new improved features and functions.

ERPNext is free and open source, Python based, enterprise resource planning application, similar to Odoo. It is mostly used by small and medium sized companies and allows them to do financial accounting, project management, human resources and inventory management. ERPNext is available both in cloud-based and on-premise deployment options. In this tutorial we will show you how to install ERPNext on a Debian 9 VPS using the ‘Easy Install’ method with Frappe Bench, using a Python script.

MariaDB is a community-developed fork of MySQL. It is a free and open source, very fast, stable and scalable database server, which makes it one of the most used database servers in the world. It is an improved, drop-in replacement for popular MySQL Database Server. In this tutorial, we will show you how to install MariaDB on Ubuntu 16.04. Installing MariaDB on Ubuntu 16.04 is an easy task, and if you carefully follow the steps of this tutorial, you should have it installed on your system in less than 10 minutes. Let’s get started.

SSL is on a lot of people’s minds today. With free Let’s Encrypt certificates becoming extremely common, there’s no reason for anyone to not use SSL – not to mention the search ranking benefits, and the fact that browsers will trust your site.

Odoo is among the most popular business software which you can find nowadays. The things that make so popular this application is that offers a range of business application in one place. Odoo comes up with a new version 12 this October. In this article, we will show you how to install Odoo 12 on CentOS 7.

SSH remains the most common way by which we access our Linux servers. Most people don’t manually log into the server console itself. Through SSH, you can do almost everything except for certain low-level operations. However, this leaves us open to the possibility of disconnection. It might be unexpected but is a very real possibility. In this article, we’ll show you how to recover from an accidental disconnection on SSH.

cPanel is the most popular and most widely-used control panel for managing and automating web hosting tasks. It is the world’s most intuitive and user-friendly control panel, with a very simple and straight-to-the-point graphical interface. cPanel is a Linux-based web hosting control panel, that utilizes a 3 tier structure for system administrators, resellers and end-user website owners, all via a web-browser. Other than the beautiful user interface, cPanel has command line access and API-based access for third-party software integration, for web hosting providers or developers and administrators to automate their system administration processes. In this tutorial, we will show you how to install WHM and cPanel on CentOS 7.

One of the most jarring moments when moving from a Windows-based environment to using the command line is the loss of easy multi-tasking. Even on Linux, if you use an X Window system, you can use the mouse to just click on a new program and open it. On the command line, however, you’re pretty much stuck with what’s on your screen at any given time. In this tutorial, we will show you how to multi-task in Linux with the command line.