server create "role[mongod]" -I ami-a29943cb -u ubuntu -i key.pem -N ubuntu-ec2 -f t1.micro -S key --region us-east-1 -Z us-east-1d -G default -d ubuntu12.04-gems knife bootstrap ec2-12-34-56-0.compute-1.amazonaws.com -x ubuntu -i key.pem --sudo mongo ec2-12-34-56-0.compute-1.amazonaws.com:27017 initReplicatSet.js