In case you don't have access to your VPS over conventional methods as SSH, Web-based control panel, or server-specific client, You can connect directly to the noVNC Console
Step1: Login to the Alpha Net client area using your account credentials
Step 2: Click the Services button
Step 3: On the Server Information page, click the "Console " button
Step 4: When you click on the 'noVNC Console,' a small new window will automatically open, and you can now access your server
The list of the most Powerful VPS servers here