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How I Troubleshoot “Access Denied” Errors on an S3 Bucket?

You run into “Access Denied” when trying to get objects from your S3 bucket. Now, you need help to figure out what’s going wrong and get it fixed. Below are my 5 top tips to troubleshoot this issue:...

Key Ports, Protocols, and Tools to Know When Working in a Linux Environment

If you’re working in a Linux environment, here are some essential ports, protocols, and tools you should definitely be familiar with. SSH (Secure Shell) Port: 22 What it does: Provides secure...

How To Troubleshoot API Gateway Throttling Requests Returning 429 Error

What a crazy experience when hitting a 429 error when calling your API. You’re finally ready to scale  and boom: “Too Many Requests.” I’ve run into this before, and here’s how I...

S3 Glacier VS S3 Standard: Choosing the Right Storage Class for Your Data

When it comes to cloud storage, not all data is created equal. Some data is mission-critical and accessed frequently, while other data needs to be archived for compliance or disaster recovery but may...

How to troubleshoot if CloudWatch Logs not showing up

Set up CloudWatch logging, but nothing’s coming through? I’ve been there. I put together a quick guide to help you troubleshoot the issue, from checking log groups and IAM permissions to testing with...

How to Troubleshoot When S3 Event Notifications Don’t Trigger Lambda

Set up an S3 event to trigger your Lambda function, but nothing happens? I’ve run into that too. I put together a quick guide to help you troubleshoot the issue. It walks you through everything from...

How to Troubleshoot API Gateway 403 Forbidden Errors

Nothing’s more frustrating than setting up an API Gateway, only to get hit with a 403 Forbidden error. I’ve been there too. Here’s how I troubleshoot it:   1️⃣ Check Resource Policies Go to API...

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...

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 →...

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...

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 →...

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...

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