1. upload key-xxxxxxxxxxx.pem and cert-xxxxxxxxxxxxx.pem to the box ex. /root/key-xxxxxxxxx.pem
2. run the command inside the ami(the amazon tools are pre-installed) ec2-bundle-vol -d /mnt -k /root/pk-xxxxxxx.pem --cert /root/cert-xxxxxxxx.pem -u
3. When the (2) command is completed there should be an image manifest file inside the /mnt dir
4. Upload to S3 ec2-upload-bundle -b