In this article, we will show you how to install Asterisk on an Ubuntu 18.04 Cloud VPS.
Asterisk is a free-to-use and open-source framework for creating real-time communications related software and is proven to be stable and reliable by thousands of users, system administrators, and developers. It controls IP PBX systems, VoIP gateways, and other custom telephone systems. Asterisk-based communications systems are being used by general communication-based businesses, call centers, carriers, and government agencies. It is also widely used to connect to telephony services like public switched telephone network (PSTN) and voice over Internet Protocol (VoIP) services.
Asterisk is licensed under GPLv2 – it is also sponsored by Digium, which offers additional licenses. The install process might take some time, so let’s get started right away.
MariaDB is an open-source database server that is a fork of MySQL and can easily serve as a drop-in replacement.
Matomo (formerly known as Piwik) is a free and open-source real-time web analytics platform, similar to Google’s own Analytics platform. Matomo provides its users with reports about their websites such as visitors, search engine results, languages, keywords, and much more. The install process is fairly straightforward, so let’s get started.
The ELK Stack is a combination of four open-source tools which together form a log management tool. The ELK Stack is a platform that helps in deep searching, analyzing, and visualizing the log generated from different machines. The install process is straightforward, so let’s begin. First though, we will go over a few key details regarding what makes up an ELK stack.
YetiForce is an open-source and innovative CRM system. It is built on top of Vtiger and has hundreds of changes that help to accomplish even the most challenging tasks in the simplest way. This guide should work on other 
Wagtail is a free, fast, elegant, open source CMS written in Python and built using the Django web framework for developing dynamic apps and websites. Wagtail is excellent for creating blogs and other websites that let you present your ideas to the world through a fast and good-looking webpage. The install process won’t take long, so let’s get started with the installation.
Monica is an open-source personal Customer Relation Management (CRM) software written in PHP, built on top of the Laravel framework. Monica allows you to store information about your family, friends, coworkers, and more. For example, you can store information such as your friend’s wedding anniversary, the names of the children of all of your family members, keep track of your debt, and stay on top of your productive life. Let’s begin with the installation.
Icinga 2 is a free and open-source server monitoring system. It helps its users to check the availability of their network resources, notifies them about outages, and generates performance data which allows reports to be created.
