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Working with AWS EC2 Autoscaling Group and AWS Codedeploy

Sep 10, 20202 min read

AWS Autoscaling Group This thing started when we have some user-data that do and install a lot of things, especially on Windows, the booting alone could take up to 6 minutes. Often the instance couldn't catch up with the ELB health check and causing ...

Troubleshooting Windows EC2 instance user-data

Sep 9, 20204 min read

Often while we are troubleshooting for EC2 user data, we want to have visibility to what happens to the script at launch. Whether it failed or which line of code is not executing by the instance. We usually have to RDP to see the log itself or use Se...

IaC - Deploying AWS EC2 user-data with Terraform

Sep 9, 20205 min read

When we launch an EC2 instance, we can pass user data to the instance for performing common automated configuration tasks or running scripts after the instance boot. With Terraform, like using the console, we could 'paste' the script we would like to...

How to Fix “SSH Too Many Authentication Failures” Error

Sep 6, 20201 min read

Sometimes, while trying to connect to a server via SSH, you may encounter the error “Received disconnect from x.x.x.x port 22:2: Too many authentication failures.” In my case, the system is Ubuntu and joined to Active Directory. I can only use domain...

Learning to Learn - The Principles

Sep 1, 20202 min read

Hi, I am currently learning a course by Andrei Neagoie - Learning to Learn. I want to share my notes and takeaways from this course. Key Take away: We have to have the right mindset to make learning efficient for the long term. Learning Vs Winning t...

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