adding #30

app/Commands/LetsEncryptInstallCommand.php

@@ -63,6 +63,13 @@ class LetsEncryptInstallCommand extends Command
         // @TODO apt add a Warning for no good, in a later version output will be scanned for helpfull infos
         $this->line(implode("\n", Install::filterAptMessages($output)));
 
+        $output = [];
+        $this->info('LetsEncrypt generate dhparam.pem...');
+        exec('openssl dhparam -out /etc/ssl/certs/dhparam.pem 4096', $ouput);
+
+        // @TODO apt add a Warning for no good, in a later version output will be scanned for helpfull infos
+        $this->line(implode("\n", Install::filterAptMessages($output)));
+
         if (Install::isReady('certbot')) {
             $this->info('LetsEncrypt installing...Success! \o/');
         } else {