Setup LetsEncrypt on Debian

Install LetsEncrypt Client

git clone https://github.com/letsencrypt/letsencrypt /opt/letsencrypt

Obtain a Certificate

• Inside the nginx config, add this location block:

location ~ /\.well-known/acme-challenge {
    root /var/www/html;
}

• Reload Nginx:

systemctl reload nginx

• Generate Certificate:

cd /opt/letsencrypt
./letsencrypt-auto certonly -a webroot \
    --webroot-path=/var/www/html \
    -d example.com \
    -d www.example.com