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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

ubuntu certbot nginx

sudo add-apt-repository ppa:certbot/certbot
sudo apt install python-certbot-nginx
sudo certbot --nginx -d example.com -d www.example.com