Certbot is a free, open-source software tool for automatically using Let’s Encrypt certificates on manually administrated websites to enable HTTPS. It's operated by a non-profit based in San Francisco.
How to Install
To install Certbot run the following commands depending on your distribution.
Debian & Ubuntu
sudo apt update
sudo apt install certbot python3-certbot-nginx
AlmaLinux & CentOS
sudo dnf install epel-release -y
sudo dnf install certbot python3-certbot-nginx
Usage
To install a certificate on a NGINX-based web server you can run the below command.
sudo certbot --nginx -d example.com