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Config Server Firewall, also known as CSF, is a free firewall software used on Linux distributions. Except for the basic firewall functionality, it also offers IDS “intrusion detection system” as well as login and flood detection and other security features which help to keep your server secure.

Node.js is an open-source and cross-platform JavaScript runtime environment built on Chrome’s V8 JavaScript engine.

Cloud computing is the on-demand availability of computer systems of resources like data storage, CPU power, databases, networking, software and etc. Cloud computing offers very scalable and flexible solutions for customer needs, which may reduce the costs, or increase them for some unaware users.

Redis stands for Remote Dictionary Server and is an open-source data store. It supports various types of abstract data structures such as maps, lists, data sets, streams, strings, etc.

Ruby on Rails, or simply Rails, is an open-source web application framework built on top of the Ruby programming language. It is used by many developers since it makes application development very simple.

Mattermost is a self-hosted and open-source online chat service designed to be used as an internal chat platform for companies and organizations.

In this tutorial, we will talk about Free Let’s Encrypt SSL certificate alternatives. We are going to show you how to install a Free Let’s Encrypt SSL certificate and its alternatives such as BuyPass and ZeroSSL certificates.

Python is a free, open-source programming language that was originally published in 1991 and has since gained widespread adoption. It’s used for general-purpose programming which makes it perfect to create apps on your phone or computer.

Postfix is a free and widely used open-source mail transfer agent. It supports MySQL, PostgreSQL, and SQLite as the database server to store and manage the virtual domains. PostfixAdmin is a free web-based interface to manage a postfix mail server. With this tool, we can easily add/remove/edit domain names, email accounts, email quotas, email forwarding, etc.

In this tutorial, we will show you how to set up a mail server with PostfixAdmin on Debian 11 (Bullseye) OS.

Finding files and directories in Linux is a very difficult task compared to Windows operating system. Especially if you are working on the server operating system without a Desktop interface. There are several ways to search files and directories in Linux. The simple and easiest way is to use the Linux terminal to search or locate files.

Odoo (formerly known as OpenERP) is a suite of open-source business applications. The most used modules for Odoo include Point of Sale (POS), Inventory, CRM, Website, Live Chat, e-Commerce, Billing, Accounting, Warehouse, and others. The range of the modules that can be installed in one application makes Odoo very popular nowadays.

In this tutorial, we will show you how to install Odoo 14 on Debian 11 with Apache as a reverse proxy.

In this post, we are going to show you how to install Netdata Monitoring Software on your Debian 11 operating system. installing netdata on debian 11

Netdata is an open-source web-based monitoring system that provides real-time metrics such as CPU usage, disk activity, bandwidth usage, website visitors, and so on.

The PHP ini configuration file is a special file for PHP applications used to control PHP settings what users can or can not do with the website.

MySQL is an open-source relational database management system and with its popularity is used widely on different systems for storing data.

Moodle is a free, open-source, and one of the most popular learning management systems around the world.

MySQL is an open-source relational database management system (RDBMS), it’s widely used and part of the popular LAMP/LEMP stacks.

OpenEMR is a popular open-source software for the healthcare industry. It offers electronic health records and medical practice management solutions.

Kuma is an open source monitoring tool like “Uptime Robot” written in Nodejs.

Icinga is an open-source and cross-platform monitoring tool that monitors network resources, generates performance data, sends notifications about outages and etc.

Discourse is an open-source platform used for discussions forum, chat rooms, or as a mailing list management software.