AWS

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64 posts

Agent Auth on AWS: OIDC In, Access Keys Out

Agents on AWS should never hold long-lived keys. How OIDC federation, IRSA, Roles Anywhere, and AgentCore Identity turn signed proof into temporary credentials.

Jul 21, 2026 7 min

Agent Toolkit for AWS: The Docs Have a New Reader

AWS shipped the Agent Toolkit: an MCP server, curated skills, and IAM guardrails for coding agents. The primary reader of AWS docs is not human anymore.

Jul 20, 2026 4 min

FinOps: Budget Alerts with Terraform Before Your Next $2.5B AWS Bill

The July 17 Cost Explorer bug filled every feed with billion-dollar AWS bills. Ten lines of Terraform give you the budget alerts that caught it first.

Jul 17, 2026 6 min

AWS Lambda MicroVMs: Serverless Gets a Stateful, Isolated Sandbox

AWS Lambda MicroVMs bring VM-level isolation, snapshot-fast launch, and suspend-resume state to serverless. What changes, and where the Firecracker primitive fits.

Jun 23, 2026 5 min

AWS Multi-party Approval for Organizations

Multi-party approval in AWS Organizations gates high-risk operations behind a quorum of human approvers. Here is how it works and the security it buys.

Jun 13, 2026 6 min

Local DynamoDB Grew Up: A Hands-On Look at ExtendDB

ExtendDB v0.1.0 reimplements the DynamoDB wire protocol in Rust on PostgreSQL. A side-by-side lab against DynamoDB Local on SigV4, IAM policy and Streams.

May 21, 2026 10 min

Why Your SSH Is Yelling About Quantum Computers (And How to Fix It)

OpenSSH now warns when key exchange is not post-quantum. What store now, decrypt later actually threatens, and the Kex configuration that clears the warning.

Apr 17, 2026 5 min

IaC-First: Why I am Never Touch the AWS Console in Production

Console clicks change reality without changing Terraform state, so plan lies. The drift failure modes, the import workflow, and how to enforce IaC-first.

Apr 16, 2026 6 min

AWS S3 New Feature: Re-encryption without Movement

S3's UpdateObjectEncryption rewraps the data key instead of copying bytes, so ETag and creation date survive and a 5 TB object re-encrypts in milliseconds.

Jan 30, 2026 4 min

AWS Monthly (Nov '25) The Stateful Serverless Revolution

November and re:Invent 2025 brought us the "holy grail" of serverless: AWS Lambda Durable Functions. This feature introduces...

Nov 30, 2025 1 min

When the Cloud Sneezes, the World Catches a Cold - Lessons from the us-east-1 Meltdown

The us-east-1 outage took down Perplexity, Signal and even the status pages meant to report it. What a single-region dependency costs, and what to change now.

Oct 20, 2025 3 min

AWS Monthly (Sep '25): Vega OS & eBPF Observability

In a surprise move, AWS released Vega OS in September. Vega is a specialized, Linux-based OS optimized for the edge and high-performance UI...

Sep 30, 2025 1 min

AWS Monthly (Aug '25): Big Data, Zero Effort

August was all about "Data Gravity." Amazon Aurora storage limits jumped to 256 TiB, which effectively ends the "sharding" conversation for...

Aug 31, 2025 1 min

AWS Monthly (July '25): Kubernetes at the Edge of Sanity

July was a landmark month for the EKS (Elastic Kubernetes Service) crowd. AWS announced that EKS now supports 100,000-node clusters.

Jul 31, 2025 1 min

AWS Monthly (May '25): The Death of the War Room

May brought CloudWatch Investigations, which have fundamentally changed someone's on-call rotation. Instead of manual log correlation, ...

May 31, 2025 1 min

Automating AWS CloudWatch Log Group Tagging with Python and Boto3

A Boto3 script that finds untagged CloudWatch log groups and applies your tag set. The IAM permissions it needs, and why untagged groups distort cost reports.

Apr 16, 2025 2 min

Automating AWS ECR Tagging with Python and Boto3

A Boto3 script that paginates every ECR repository and tags only the ones with no tags. The three IAM permissions it needs, and why untagged repos break costs.

Apr 15, 2025 2 min

Automating ECR Image Cleanup with Bash

A bash script using the AWS CLI and jq to delete ECR images matching a 9.x.x tag pattern, with dry-run and apply modes so you read the list before it removes.

Apr 11, 2025 7 min

Update ECR Repositories with Bash Script

A short bash loop that sets image tag mutability to MUTABLE on every ECR repository in the account, and the trade-off you accept when tags become overwritable.

Apr 08, 2025 2 min

AWS Monthly (April '25): Cooling the AI Heat

In April, AWS gave us a peek behind the curtain of their data center engineering. To handle the thermal output of the latest AI clusters, ...

Mar 31, 2025 1 min

AWS Monthly (Mar '25): The Proximity Power Play

Technically, this brings "Single-Digit Millisecond Latency" to almost every major tech hub. If you are building AR/VR backends, indust...

Mar 31, 2025 1 min

Streamline Your AWS ECR Management with This Powerful Bash Script

A bash script that applies a keep-the-last-three-images lifecycle policy to every ECR repository in a region, with a dry-run mode before it deletes anything.

Mar 27, 2025 4 min

AWS Monthly (Jan '25): Shattering the 6MB Ceiling

AWS raised Lambda response streaming to 200 MB in January, retiring the 6MB payload workaround. What it does for TTFB, plus S3 Express One Zone latency gains.

Jan 31, 2025 1 min

Setting up DKIM for Google Workspace (Gmail) using Terraform and AWS Route 53

DKIM (DomainKeys Identified Mail) is a critical email authentication technique that helps prevent email spoofing. By using DKIM, you ...

Oct 02, 2024 5 min

Automate AWS Site-to-Site VPN Monitoring

That’s exactly why I created the AWS Site-to-Site VPN Monitoring Script, a tool designed to automate the monitoring of VPN connections ...

Oct 01, 2024 5 min

Monitoring EC2 Disk Space with a Simple Bash Script and Slack Alerts

In the cloud infrastructure landscape, monitoring the health and resources of EC2 instances is essential. One common challenge for system...

Sep 22, 2024 4 min

Accessing AWS Services in Private Subnets Without 0.0.0.0/0

When working with AWS (Amazon Web Services), securing your infrastructure is paramount. One of the most common security practices is to ...

Aug 24, 2024 9 min

Understanding AWS Regions, Availability Zones, and VPCs: A Comprehensive Guide

In today's cloud computing landscape, Amazon Web Services (AWS) has established itself as a leader, offering a wide range of services to ...

Aug 21, 2024 9 min

AWS Network Load Balancers with Header Modification Techniques

AWS Network Load Balancers (NLBs) are a powerful tool for distributing incoming application traffic across multiple targets...

Jun 10, 2024 4 min

AWS VPC IP Versions: IPv4 vs. IPv6

So, buckle up as we unravel the mysteries of IPv4 and IPv6 within AWS VPC, serving you a platter of insights, examples, and detailed ...

Feb 03, 2024 4 min

AWS S3 CORS Settings: A Deep Dive

Whether you're a seasoned AWS veteran or just starting, mastering CORS settings in S3 can greatly enhance your web applications' functiona...

Jan 05, 2024 4 min

Importance of Regions and Availability Zones on AWS

We're diving into a pivotal aspect of architecting robust, resilient, and efficient applications on Amazon Web Services (AWS): understand...

Dec 15, 2023 4 min

AWS VPC Design: Integrating Subnets, AZs, and Dual-Stack IP

Virtual Private Cloud (VPC) in AWS, meticulously weaving together subnets, availability zones (AZs), and the dual-stack configuration for...

Nov 01, 2023 4 min

Understanding CAA DNS Records: What, Why, and How?

CAA, or Certificate Authority Authorization, is a type of DNS record that allows domain owners to specify which Certificate ...

Sep 25, 2023 4 min

Mastering AWS VPC: An Introduction to Virtual Private Cloud Routing

The world of cloud computing has never been more accessible or diverse. As organizations migrate to the cloud, AWS ...

Aug 13, 2023 3 min

Understanding the New AWS Public IPv4 Address Charge and Public IP Insights

AWS bills $0.005 per hour for every public IPv4 address from February 2024, attached or not. What it adds up to, the free tier carve-out, and how to audit it.

Jul 30, 2023 3 min

The AWS Well-Architected Framework: A Key to Cloud Success

The cloud has revolutionized the way businesses operate, and Amazon Web Services (AWS) has consistently led the charge in cloud ...

Apr 26, 2023 3 min

Secure Your Media Files by Removing Metadata with AWS Lambda

Enhance privacy and security across various industries by stripping EXIF and other metadata from uploaded images and videos

Apr 20, 2023 3 min

List your S3 bucket objects easily with S3 Directory Listing

Introducing S3-Directory-Listing, a simple and easy-to-use JS script and HTML combo that will turn your S3 bucket directory listing into ...

Apr 18, 2023 3 min

What is Carrier Gateway on AWS?

Amazon Web Services (AWS) offers many services to provide a seamless and secure cloud computing experience to its users. One of these ...

Feb 24, 2023 3 min

Creating SSH Keys for Secure Access to AWS EC2 Instances with Terraform

When working with cloud infrastructure, security is of utmost importance. One critical aspect of security is controlling access to cloud ...

Feb 15, 2023 3 min

What is an Egress only internet gateways in AWS?

Within a VPC, an Egress-Only Internet Gateway is an essential component that enables outbound traffic from the VPC to the Internet.

Jan 31, 2023 3 min

What is an Internet Gateway in AWS?

An internet gateway is horizontally scaled and redundant, but attaching one is not enough: the route table entry is what actually moves traffic out of your VPC.

Jan 11, 2023 3 min

What are Route Tables on AWS VPC?

How VPC route tables decide where subnet traffic goes: local versus internet gateway routes, the one-table-per-subnet rule, and when a custom table pays off.

Jan 03, 2023 3 min

What is Subnet on AWS VPC?

Subnets in AWS VPC are used to divide a VPC into multiple logical networks. This allows users to isolate resources and control access to ...

Dec 10, 2022 3 min

What is AWS VPC?

Learn about Amazon Web Services (AWS) Virtual Private Cloud (VPC), a service that allows users to create and manage their own virtual pri...

Dec 07, 2022 2 min

Scaling PHP Applications on AWS

You can understand the running highly available, performant, and secure PHP applications on AWS with easy 14 steps...

Aug 10, 2022 2 min

Create an S3 Bucket and Set a Policy via CLI

I really like to use CLI commands and it's my daily routine. Today, I'll tell to you "How do you create an S3 Bucket on AWS" and "Put an ...

Jul 17, 2022 2 min

Issue a Let's Encrypt SSL with the AWS Route53

In this article, I want to tell you how you can issue a Let's Encrypt SSL with the AWS Route53 service. Let's start to learn.

Jul 16, 2022 3 min

Automate Let's Encrypt SSL on AWS Application Load Balancer

In this article, you can automate all of Let's Encrypt issuing operations for AWS Application Load Balancer and learn how you can manage the..

Jul 02, 2022 7 min

Deploy a website to S3 and CloudFront with Bitbucket Pipelines

In this article, you will learn how you can deploy your static website to the S3 Bucket and Cache Invalidation automatically...

Jun 23, 2022 3 min

Protect your AWS Account with specified IPs

You will learn, how you can protect your AWS account and the resources in the cloud with IAM Policy. Security is the first th...

Jun 16, 2022 2 min

Differences between AWS CLI v1 and v2

What v2 gives you that v1 does not: no Python interpreter to install, auto-prompt, config import, YAML output and ddb commands. Plus when upgrading is worth it.

Jun 09, 2022 2 min

I'm officially AWS Community Builder!

This morning, I've got an e-mail from @JasonDunn about the AWS Community Builder program. I don't remember when I applied to this program but

May 15, 2021 2 min

Deploy HA nginx to AWS ECS with Geolocation Routing via Terraform

You can deploy the nginx docker image in two different regions in AWS. If you need, you can add more region support by yout self...

May 12, 2021 1 min

Deploy nginx docker to AWS ECS with Terraform Automation

You can understand how you can deploy nginx docker to AWS ECS with terraform easily. The terraform will handle everything what you need.

May 11, 2021 2 min

Connect your AWS to GCP with Terraform via IPSec Site-to-Site VPN

You can deploy the VPN infrastructure easily with this article. Terraform is a automation tool you can do everyting in the cloud era.

May 04, 2021 2 min

How to secure your Amazon Web Services account

Learn how to secure your Amazon Web Services account. Root level account has got full access to all resources running in the cloud enviro...

Apr 24, 2021 5 min

Set two different Target Groups on AWS Load Balancer with Terraform

You will learn how you can use more than one target group behind Elastic Load Balancer in aws services with Terraform.

Apr 05, 2021 2 min

Extend your ec2 Linux disk without reboot on Amazon Web Services

Just follow the steps and learn how to extend without reboot. Normally, It's realy hard to extend the Linux servers root disk.

Feb 08, 2021 3 min

Create a New Grant User on AWS RDS (MariaDB)

You will learn, how to create a grant user for your RDS. It's little bit complicated process but just follow the article and know.

Jan 30, 2021 1 min

Amazon S3 CORS Settings with CloudFront on Amazon Web Services

Learn how to set for your aws S3 Bucket CORS settings on CloudFront in Amazon Web Services. CORS settings is taking security for your bucket.

Sep 29, 2020 1 min

Fix "Error: rpmdb open failed" on CentOS or Amazon Linux 2

If you having rpmdb issues with your yum, you can easily follow the same steps and fix your package manager in a minute.

Apr 20, 2020 2 min

Error: No space left on the device when starting/stopping services only

Learn how to fix "No space left on the device" error when starting and/or stopping services only on Amazon Linux 2

Mar 01, 2020 2 min