How To Troubleshoot AWS When You Can’t SSH into an Amazon EC2 Instance

This is one of the most common issues in AWS. Here’s how I would troubleshoot it: 1️⃣ Verify the security group allows SSH (port 22) – Check the security group attached to your EC2 instance.– Ensure there’s an inbound rule allowing traffic on port 22 from your IP address. 2️⃣ Check if the instance has […]

How To Troubleshoot AWS Lambda Timeout Errors?

Lambda timeouts are a common issue that can break your serverless workflows. Here’s how I would troubleshoot it: 1️⃣ Check the function’s timeout settings: – Navigate to Lambda → Function → Configuration → General settings.– The default timeout is 3 seconds, but you can increase it up to 15 minutes if needed. 2️⃣ Increase the […]

How To Troubleshoot CloudFormation Stack Creation Failures?

AWS CloudFormation stack failures can be frustrating. They always seem to happen at the worst moment. Here is how I troubleshoot them: 1️⃣ Check Stack Events for Errors – Navigate to AWS CloudFormation → Stacks → Select Your Stack → Events.– Look for specific error messages that indicate what went wrong. 2️⃣ Validate the Template […]

How to Troubleshoot if AWS EKS worker nodes not joining cluster

What would you do if your EKS worker nodes keep spinning up but never join the cluster? I’ve been there. Here how I would troubleshoot it: 1️⃣ Check IAM Role for worker nodes – Go to IAM → Roles → AmazonEKSWorkerNodeRole (or custom role). – Ensure it has policy attached. If you are missing permissions, […]

How to Troubleshoot if AWS S3 bucket versioning not working?

Ever enabled S3 versioning but noticed it’s not working as expected? I’ve been there. Here how I would troubleshoot it: 1️⃣ Ensure Versioning is Enabled – Go to S3 → Select your bucket → Properties → Check if versioning is enabled.– If it’s disabled, turn it on and test again. 2️⃣ Check Permissions – Go […]