#debianbased

Let's Encrypt is a Certificate Authority (CA) that facilitates the obtaining and installation of free TLS / SSL certificates.This allows HTTPS encryption on web servers. It also streamlines the process by working with clients, such as Certbot, to automate the necessary steps. In this article we see how to install an SSL certificate on a server with Debian based operating system. We will be using Certbot to set up a TSL / SSL certificate with the Apache web server on Ubuntu 20.04.Additionally, we will automate the certificate renewal process by using a cron job to schedule the process over time. Prerequisites To follow the tutorial you will need: 1) A configured Ubuntu 20.04 server, including a non-root sudo user and a firewall. 2) A registered domain name. This tutorial will use my_domain as an example. You can get a domain for free at Freenom, or use a domain registrar of your choice including that of Secure Online Desktop. 3) Both of the following DNS records set for the server. An A record with my_domain pointing to your server's public IP address. An A record with www.my_domain pointing to your server's public IP address. 4) Apache installed. Make sure you have a virtual hosts file for the domain. This tutorial will use /etc/apache2/sites-available/my_domain.conf as an example. Step 1. Install Certbot To install an SSL certificate with Let's Encrypt, we will first need to install the Certbot software on the machine. For this we will use the default repositories. Read the full article