Request a quota increase across all regions

global_quota_increase.sh

#!/bin/bash

SERVICE_CODE=cloudformation
QUOTA_CODE=L-0485CB21  # Number of stacks - find via `aws service-quotas list-service-quotas` or AWS Console
DESIRED_VALUE=500

for region in $(aws ec2 describe-regions --query Regions[][RegionName] --output text); do
    aws service-quotas --region $region request-service-quota-increase \
        --service-code $SERVICE_CODE \
        --quota-code $QUOTA_CODE \
        --desired-value $DESIRED_VALUE
done