Carlo.Cloud

Jul 1, 2025 aws security

S3 Pre-signed URLs and Web Archiving

Pre-signed S3 URLs offer secure, temporary access, but what if they get archived and exposed? Learn how these URLs work, the risks of web archiving, and steps you can take to prevent accidental data leaks.

Jun 20, 2025 aws observability

How to Know When You Are Throttled by Amazon's IMDS

You might not realize how often your instance accesses the metadata service(IMDS) for credentials. I faced puzzling failures that standard debugging couldn't explain. The cause? A little-known packet-per-second limit on link-local services. In this post, I’ll share my findings and solutions.

Jun 3, 2024 aws

Exploring AWS CloudShell: Key Features and Benefits

CloudShell is a little-used feature in AWS that is powerful, free, and flexible. It's a consistent experience across regions and uses. Here, I write my impressions of the service, good and bad.

May 14, 2024 aws community builders

Year 2, A Community Builder Retrospective

After renewing for year three, I take a few minutes to look reflect on year two. What did I do and what do I want to do more of?

Feb 6, 2024 meta

Why I Migrated from Medium to Ghost and How

I migrated Carlo.Cloud from Medium to a self-hosted Ghost blog in an afternoon. Why would I do that, and how?