sed -i "s/REPLACE_fqdn_ECALPER/${domain}/g" /etc/nginx/sites-available/website.nginx
ln -s /etc/nginx/sites-available/website.nginx /etc/nginx/sites-enabled/website.nginx
sed -i "s/REPLACE_fqdn_ECALPER/${domain}/g" /etc/nginx/sites-available/website.nginx
ln -s /etc/nginx/sites-available/website.nginx /etc/nginx/sites-enabled/website.nginx