Skip directly to the demo: 0:30
For more details see the Knowledge Center article with this video: https://aws.amazon.com/premiumsupport/knowledge-center/systems-manager-ssh-vpc-resources/
Saud shows you how to use an SSH tunnel through AWS Systems Manager to access your private VPC resources.
Duration: 00:04:38
Publisher: Amazon Web Services
You can watch this video also at the source.