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Let’s Encrypt is a widely known certificate authority that provides free SSL certificates for web sites. It was launched in April 2016. Let’s Encrypt uses client software (certbot) that automates the process of certificate creation, validation, signing, implementation, and renewal of certificates.
PostgreSQL (aka Postgres) is an open-source object-relational database management system (ORDBMS), developed by PostgreSQL Global Development Group, a group of individual volunteers and corporate companies. on Ubuntu 20.04.
LAMP stack (Linux, Apache, MariaDB /MySQL, and PHP) is the widely used tech stack to host websites and blogs. This stack is mainly used to host content management software such as WordPress, Drupal, Joomla, etc.
MySQL is an open-source database server commonly used in a three-tier application to store and retrieve records and information. It is developed by Oracle Corporation.
phpMyAdmin is a free and open-source web interface for managing MySQL and MariaDB servers. It is widely used by web hosting companies to enable website owners to create and manage databases on their own.