nagios-conf-ec2: generate gagios configurations for all AWS EC2 instances
nagios-conf-rds: generate gagios configurations for all AWS RDS instances
security-group-desc: describe a security group, to see each port is used for what reason
migrate-security-gruops: migrate security groups from one region/vpc to another
compare-security-gruops: after security groups migration you want to compare to make sure if they are exactly the same
For more details see readme under each folder.