4.5.3 Linux

Connecting from Linux

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. Click Activities → Terminal to open a command line

DCV Native Client

  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

Issue Solution
DCV tab doesn’t open Wait a few seconds; the connection can take a moment
Certificate warning Click Advanced → Proceed (self-signed cert is expected)
High latency in browser Use the native DCV client with UDP