Why is SSM Agent version 3.2.582.0 not yet available on Amazon Linux 2?

Question

As mentioned in https://docs.aws.amazon.com/systems-manager/latest/userguide/managed-instances-default-host-management.html, SSM Agent version 3.2.582.0 or above have to be used in order to make use of Default Host Management Configuration.  However, the latest version on Amazon Linux 2 is 3.1.1732.0 when I use yum update.  Do we need to build from source code in order to use it at this moment?  Thanks.

Answer

If you install the agent manually with 
```
sudo yum install -y https://s3.amazonaws.com/ec2-downloads-windows/SSMAgent/latest/linux_amd64/amazon-ssm-agent.rpm
```
you'll get the required agent version or higher, and the node will register with Systems Manager.  I was also surprised the latest Amazon LInux 2 AMI had a version that didn't work, and your question pointed me to that, thank you.  Hopefully they will update the AMI soon.

Why is SSM Agent version 3.2.582.0 not yet available on Amazon Linux 2?

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