initial commit of some preliminary notes

ec2/new_volume.sh

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+export VOLUME_SIZE=1 # in GiB (2^30 bytes)
+ec2-create-volume -s $VOLUME_SIZE -z $AWS_AZ > volume.info
+export VOLUME_ID=`cat volume.info |  awk {'print $2'}`
+export VOLUME_IS_NEW=1
+echo Created new volume: $VOLUME_ID
+

ec2/start_instance.sh

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+export AMI=`curl http://cloud-images.ubuntu.com/locator/ec2/releasesTable | python3 tools/get_ubunut_ami.py us-east-1 13.04 amd64 instance-store`
+ec2run $AMI -k mykey -t m1.small -z $AWS_AZ | tee instance.info
+export INSTANCE=`cat instance.info | grep INSTANCE | awk {'print $2'}`
+sleep 5
+while [ 1 ]
+do
+	export INSTANCE_IP=`ec2-describe-instances $INSTANCE | grep INSTANCE | awk {'print $14'}`
+    if [ -z "$INSTANCE_IP" ]
+    then
+		echo "Waiting for $INSTANCE to start..."
+    else
+		exit
+    fi
+    sleep 6
+done
+
+echo New instance started: $INSTANCE_IP
+