adding #36

app/Commands/NodejsInstallCommand.php

@@ -43,21 +43,21 @@ class NodejsInstallCommand extends Command
 
         $this->info('Nodejs installing...');
 
-        exec('curl -sL https://deb.nodesource.com/setup_'.$version.'.x | sudo -E bash -');
-        exec('apt-get install -y nodejs 2>&1');
+        system('curl -sL https://deb.nodesource.com/setup_'.$version.'.x | sudo -E bash -');
 
         // @TODO apt add a Warning for no good, in a later version output will be scanned for helpfull infos
+        exec('apt-get install -y nodejs 2>&1', $output);
         $this->line(implode("\n", Install::filterAptMessages($output)));
 
         $this->info('Nodejs add user...');
-        exec('useradd -d /home/nodejs -m nodejs', $output);
+        system('useradd -d /home/nodejs -m nodejs');
 
-        exec('sudo -Hu nodejs mkdir /home/nodejs/.npm');
-        exec('sudo -Hu nodejs npm config set prefix /home/nodejs/.npm');
-        exec('echo -e "export PATH=/home/nodejs/.npm/bin:\$PATH" >> /home/nodejs/.bashrc');
+        system('sudo -Hu nodejs mkdir /home/nodejs/.npm');
+        system('sudo -Hu nodejs npm config set prefix /home/nodejs/.npm');
+        system('echo -e "export PATH=/home/nodejs/.npm/bin:\$PATH" >> /home/nodejs/.bashrc');
 
         $this->info('Nodejs install npm & pm2...');
-        exec('npm install -g npm && npm install -g pm2');
+        system('npm install -g npm && npm install -g pm2');
 
         // check if nginx is ready and installed
         if (Install::isReady('nodejs')) {