How to Bootstrap a Web Server on AWS EC2
When you launch an EC2 instance, you can use the user-data to bootstrap a instance creation script.
We can use the following code to start a web …
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165 articles about aws development, tools, and best practices
How to Update Kubectl Config from AWS EKS
Ever searched for kubectl update config from aws eks and needed a quick result?
Step 1 – Validate AWS CLI
Make sure that you have valid AWS …
Read Article →[Solved] Unable to connect to the server: dial tcp: lookup with AWS EKS
If you have received the following error while trying to issue commands to kubectl:
Unable to connect to the server: dial tcp: lookup
Then it may be …
Read Article →How to Store Terraform State in AWS S3
Storing Terraform states files locally is not recommended. Instead you should use a backend such as as S3 from AWS.
To do this, you just need to add …
Read Article →How to Presign an S3 URL in AWS using AWS CLI
You can use the AWS CLI to presign URLs so that objects in S3 can be shared publicly even if they are set as private.
Presigned URLs are great for …
Read Article →Common AWS CDK CLI Commands
The AWS Cloud Development Kit (CDK) comes with numerous CLI commands.
| Command | Function … |
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How to Create an S3 bucket with PublicRead in CloudFormation
Here’s a minimal CloudFormation template for creating an S3 bucket with public read access. This is useful for hosting static assets like …
Read Article →How to Create a VPC in CloudFormation
It’s very easy to deploy a VPC using CloudFormation:
AWSTemplateFormatVersion: 2010-09-09
Description: Deploy a VPC
Resources:
VPC:
Type: …How to Setup Git on EC2 for AWS CodeCommit
Connect to the instance:
chmod 400 KEYPAIR.pem
ssh -i KEYPAIR.pem ec2-user@EC2PublicIP
Install Git:
sudo yum install -y git
Setup Git Credential …
Read Article →How to Boot an EC2 with a WebServer Setup
Create a new AWS EC2 instance, and set the User Script to the following:
This is handy for quick demos or testing — the instance comes up with Apache …
Read Article →How to get Meta-Data information from an AWS EC2 Instance
If you need to query meta-data information from your running EC2 instance, you can curl the following location:
curl …How to Install Cuda driver for Nvidia on Ubuntu
If you have just upgraded Ubuntu on your AWS g4dn instance and need to install/reinstall Cuda drivers for your Nvidia chipset, then you can run the …
Read Article →How to get the AWS AccountID in Terraform
If you are automating AWS resources in Terraform, then you will want to not hardcode things as much as possible.
Terraform makes it possible to pull …
Read Article →Error creating AppStream Fleet – InvalidRoleException
If you get the following error when trying to run some Terraform:
error creating Appstream Fleet (): InvalidRoleException: AppStream 2.0 encountered …
How to Create AWS AppStream resources in Terraform
AWS AppStream has finally made its way into the Terraform AWS Provider.
If you are using hashicorp/aws version 3.67 or above, then you can do the …
How to Fix “is not authorized to create managed-rule” in AWS Step Functions
If you have ever received the following error is not authorized to create managed-rule when running a Step Function through Terraform’s AWS …
How to add Account Condition to AWS Lambda Permissions in Terraform
If you need to lock an AWS Lambda function down to a source account for security reasons (PCI.Lambda.1) then you can do so by using the source_account …
How to AssumeRole in Terraform LocalExec Provisioner Block
I needed to execute a Terraform null_resource provisioner (local-exec) block to run an awscli command, but assume a role passed down to it.
There was …
Read Article →How to Create an AWS Security Group in Terraform - Securing AWS Resources with Terraform Security Groups
Security groups are a critical component for securing resources in AWS. This guide will show you how to create and manage security groups in AWS using …
Read Article →How to Create an AWS Security Group in CloudFormation
Below is a simple CloudFormation script block to create a Security Group in AWS.
Resources:
SampleAppAppstreamSG:
Type: AWS::EC2::SecurityGroup …How to provide Default Values for AWS CloudFormation Parameters
AWS CloudFormation is very useful for creating template-able infrastructure definitions.
One of the sections of a template, is the Input Parameters, …
How to Validate an AWS CloudFormation Template
The AWS CLI comes with a useful subcommand to validate a CloudFormation template.
This catches syntax errors and basic structural issues before you …
Read Article →How to view the Encoded Authorization Failure Message in AWS
You may come across a message that reads similar to the following:
<meta charset="utf-8">Encoded authorization failure message
A full …
Read Article →How to script AWS AppStream 2.0 ImageBuilder
AppStream (2.0) is a fully managed non-persistent desktop and application service for remotely accessing your work.
The ImageBuilder forms the first …