widgets Install Let's Encrypt on Ubuntu Sever

First of all, let’s install certbot client.

Define the certbot repository:

add-apt-repository ppa:certbot/certbot

Update the package list:

apt-get install python-certbot-apache

Install the SSL certificate:

certbot --apache -d domain.com

Install domain with subdomains:


certbot --apache -d domain.com -d sub1.domain.com