"Assign this instance to a security group which allows publishing using Webmatrix:
http://go.microsoft.com/fwlink/?LinkId=209901"
it shows on desktop readme after "Microsoft Optimized Hosting WebMatrix AMI" booted. But the article is missing.
Thanks your help.
following is the full text readme:
Welcome to your WebMatrix Server Instance on Amazon EC2. You can publish to this server using Microsoft WebMatrix after following these steps:
1) Install WebMatrix on your development PC:
http://www.microsoft.com/web/webmatrix
2) *** IMPORTANT *** Assign this instance to a security group which allows publishing using Webmatrix:
http://go.microsoft.com/fwlink/?LinkId=209901
3) Download the WebMatrix.PublishSettings file that is on your desktop to your development PC. You can import these publishing settings into WebMatrix for one-click publishing.