cat -- $extra_settings | tee -a /etc/apache2/sites-enabled/$h.conf
fi
+# go faster!
+if [[ -e /etc/apache2/mods-available/http2.load ]]; then
+ # https://httpd.apache.org/docs/2.4/mod/mod_http2.html
+ a2enmod http2
+tee -a /etc/apache2/sites-enabled/$h.conf <<EOF
+ Protocols h2 http/1.1
+EOF
+fi
+
if $ssl; then
tee -a /etc/apache2/sites-enabled/$h.conf <<EOF
SSLCertificateFile $cert_dir/$h-chained.pem