4.5.2 Mac

Connecting from Mac

DCV Remote Desktop (Browser)

1. Select your cluster in PCUI
2. Click the DCV button
3. A new browser tab will open
4. Accept the self-signed certificate warning (Advanced → Proceed)
5. You now have a full desktop environment on the head node

DCV Native Client (Recommended for Performance)

For lower latency, especially with remote regions:

1. Download the Amazon DCV Client
2. In PCUI, click the DCV button to start the web client
3. When the security warning appears, replace https:// with dcv:// in the URL
4. Press Enter — the native client will open

SSH

# Via SSM (no key required)
aws ssm start-session --target <instance-id>

# Via direct SSH (if configured)
ssh -i ~/.ssh/your-key.pem ec2-user@<head-node-ip>

Troubleshooting