AWS CloudFormation let us create AWS resources with JSON or YAML files. With CloudFormation, you can create and update your AWS infrastructure by code. In the previous post, we discuss how we can create publicly available RDS (How to Make RDS in Private Subnet Accessible From the Internet). In this …

After setting up VPC, Internet Gateway, Subnets, Route Tables (see here), we need to set up Network Access Control Lists (NACLs) for the subnets and Security Group for EC2 and RDS. This is a step in How To Create Your Personal Data Science Computing Environment In AWS. NACLs are at …

To create VPC, you first need to specify IP range. Each subnet takes IP range within the IP range of VPC. Before you decide the IP range, it is a good practice to plan first. You need to use CIDR notation for IP range. There is a cool tool to …