How to use aws ec2 pem
http://www.anthonychambers.co.uk/blog/rsync-to-aws-ec2-using-.pem-key/9
方法如下：
-rave "ssh -i PEMKEYFILE.pem"
-rave
"ssh -i PEMKEYFILE.pem"
rsync aws ec2 pem
原文：http://www.cnblogs.com/IamThat/p/6908648.html
