How to you create a Cross Account Role in Terraform

To create a cross-account role in Terraform, you need to perform the following steps: 1. Define the IAM role Define the IAM role in the Terraform configuration resource "aws_iam_role" "cross_account_role" { name = "CrossAccountRole" assume_role_policy = <<EOF { "Version": "2012-10-17", "Statement": [ { "Effect": "Allow", "Principal": { "AWS": "arn:aws:iam::<ACCOUNT_ID>:root" }, "Action": "sts:AssumeRole" } ] } EOF } In the assume_role_policy section, replace <ACCOUNT_ID> with the AWS account ID of the target account that will assume this role....

June 4, 2023 · 3 min · 501 words · AO

How to create Public and Private Subnets in Terraform

To create public and private subnets in Terraform, you can use the AWS provider to define your network configuration. Here’s an example configuration that demonstrates how to create public and private subnets within a Virtual Private Cloud (VPC) in AWS: # Define your AWS provider configuration provider "aws" { region = "us-west-2" # Update with your desired region } # Create the VPC resource "aws_vpc" "my_vpc" { cidr_block = "" # Update with your desired VPC CIDR block tags = { Name = "my-vpc" } } # Create the public subnet resource "aws_subnet" "public_subnet" { vpc_id = aws_vpc....

June 1, 2023 · 2 min · 270 words · AO

Create Internet Gateway & Assign to EC2 in Terraform

To create an Internet gateway and assign it to an EC2 instance using Terraform, you can follow these steps: Step 1: Set up your Terraform environment Install Terraform: Download and install Terraform from the official website ( based on your operating system. Configure AWS credentials: Set up your AWS access key and secret access key as environment variables or use an AWS profile configured on your system. Step 2: Create a Terraform configuration file Create a new file with a ....

May 30, 2023 · 2 min · 361 words · AO

How to configure Terraform to use Local Providers from Nexus

If your organization has blocked and has instead downloaded the provider binaries to Nexus, then you can do the following to still make your Terraform execute correctly. Step 1 - Download the Required Providers In our example, we need the following providers: AWS Archive These commands below are running directly from the pipeline that executes the Terraform: # Download the providers from the Nexus repository - curl -u ${Nexus_REPO_USER}:${Nexus_REPO_PASS} -o terraform-provider-aws4....

May 29, 2023 · 2 min · 234 words · AO

How to Deploy a Java Application in AWS ECS using Terraform

In order to deploy a Java application into AWS ECS (Elastic Container Service) using Terraform, we need to consider a few different things. Step 1 - Java Application Create a file called and add the following code to it: public class HelloWorld { public static void main(String[] args) { System.out.println("Hello, World!"); } } We now need to build our class as follows: javac Once this is done, we can package our application into a jar file:...

May 23, 2023 · 2 min · 277 words · AO

How to set the Hostname on a Linux server with Terraform

If you need to set the hostname on a linux server, and you are using Terraform, then you can do the following: Include the provisioner block and set it to remote-exec: provisioner "remote-exec" { inline = ["sudo hostnamectl set-hostname"] }

May 22, 2023 · 1 min · 41 words · AO

How to Create a Simple Chatbot in Python

This is a simple chatbot in Python using the NLTK library. See the below example Python code: # Import necessary libraries from import Chat, reflections # Define your chatbot's responses responses = { "hello": "Hello, how can I assist you?", "hi": "Hi there! How can I help you today?", "how are you": "I'm doing well, thank you for asking.", "what can you do": "I can help you with tasks such as finding information, setting reminders, and more!...

April 9, 2023 · 2 min · 241 words · AO

Create Transit Gateway with Attachments in Terraform

The following example Terraform code snippet creates a Transit Gateway with VPC and VPN attachments: provider "aws" { region = "us-west-2" } # Create a transit gateway resource "aws_ec2_transit_gateway" "example" { description = "Example transit gateway" } # Create a VPC attachment resource "aws_ec2_transit_gateway_vpc_attachment" "example_vpc_attachment" { subnet_ids = ["subnet-abc123", "subnet-def456"] # IDs of the subnets in the VPC to attach transit_gateway_id = vpc_id = "vpc-xyz789" # ID of the VPC to attach } # Create a VPN attachment resource "aws_ec2_transit_gateway_vpn_attachment" "example_vpn_attachment" { transit_gateway_id = aws_ec2_transit_gateway....

April 8, 2023 · 2 min · 228 words · AO

How to Create an AWS EC2 Instance in Terraform

The following Terraform code snippet creates an EC2 instance for you. provider "aws" { region = "us-west-2" } resource "aws_instance" "example" { ami = "ami-0c94855ba95c71c99" # Amazon Linux 2 AMI instance_type = "t2.micro" key_name = "example-keypair" tags = { Name = "example-instance" } } In this example, we’re using the aws_instance resource type to create an EC2 instance in the us-west-2 region. We’re using the ami parameter to specify the Amazon Linux 2 AMI ID, and the instance_type parameter to specify a t2....

April 7, 2023 · 1 min · 128 words · AO

A Primer on Terraform Concepts

Terraform is an open-source tool for building, changing, and versioning infrastructure safely and efficiently. It allows you to describe your infrastructure as code and manage it in a version-controlled way, just like you would with application code. Here are the basic steps of how Terraform works: Write your infrastructure code: You write infrastructure code in the Terraform configuration language (HCL) to describe the resources you want to create. You can define resources like servers, load balancers, databases, and more, as well as their configurations and relationships....

April 6, 2023 · 5 min · 1055 words · AO