install letsencrypt ubuntu 18.04 nginx code example

Example 1: how to secure letsencrypt on ubuntu 20.04 with nginx

sudo apt install certbot python3-certbot-nginx

Example 2: nginx certbot ubuntu

// Ubuntu 20.04
sudo apt install certbot python3-certbot-nginx

// Ubuntu 18.04
sudo add-apt-repository ppa:certbot/certbot
sudo apt install python-certbot-nginx

// Configure ufw
sudo ufw allow 'Nginx Full'
sudo ufw delete allow 'Nginx HTTP'
sudo ufw delete allow 'Nginx HTTPS'

sudo certbot --nginx -d example.com

Example 3: lets encrypt nginx

#Once you have installed CertBot and Lets Encyrypt, 
#and you have set up your server blocks, 
#you will be able to run the below script in your terminal
sudo certbot --nginx -d example.com -d www.example.com

Example 4: nginx letsencrypt

sudo certbot renew
sudo service nginx restart