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@drewblas
Created April 15, 2013 18:48
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Launch an instance with a specific root disk size instead of the default
# Launch an instance with a specific root disk size instead of the default
UBUNTU_EBS_IMAGE=ami-d0f89fb9
# New volume size in GB
VOLUME_SIZE=30
SNAPSHOT_ID=`ec2-describe-images $UBUNTU_EBS_IMAGE | egrep "^BLOCKDEVICEMAPPING" | cut -f4`
ec2-run-instances $UBUNTU_EBS_IMAGE \ # Don't forget all your other normal parameters
--block-device-mapping "/dev/sda1=$SNAPSHOT_ID:$VOLUME_SIZE:true:standard"
# Ubuntu images on boot will auto-resize their root disk to match the available EBS size
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