AWS Monthly (Feb ’25): Automated Code Evolution
February was the month Amazon Q Developer stopped being a “helper” and started acting like a “senior engineer.” The headline was the launch of Q-driven Refactoring. This isn’t just basic code completion. Technically, Q now uses a combination of Symbolic AI and LLMs to perform full repository dependency mapping. It can autonomously handle complex migrations,…
AWS Monthly (Jan ’25): Shattering the 6MB Ceiling
We kicked off 2025 by addressing one of the oldest “bottleneck” complaints in the serverless community. For years, the 6MB payload limit for synchronous Lambda calls forced us into complex workarounds involving S3 pre-signed URLs or asynchronous patterns for anything remotely data-heavy. In January, AWS officially bumped Lambda response streaming capabilities to 200 MB. Technically,…
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 digitally sign your email headers with a private key, and the recipient verifies this signature using your public key, which is stored in the DNS records of your domain. Google Workspace (formerly G Suite) leverages DKIM…
Automate AWS Site-to-Site VPN Monitoring
In today’s fast-paced, interconnected world, secure and reliable communication between on-premises environments and cloud infrastructures is crucial. For many businesses, AWS Site-to-Site VPN serves as the bridge that connects their data centers to AWS, enabling private, encrypted communication channels. But what happens when your VPN tunnel goes down? Without proper visibility or a notification system…
Monitoring EC2 Disk Space with a Simple Bash Script and Slack Alerts
Introduction In the cloud infrastructure landscape, monitoring the health and resources of EC2 instances is essential. One common challenge for system administrators is ensuring that disk space doesn’t run out, which can lead to performance degradation or service outages. While AWS provides robust monitoring tools like CloudWatch, they can incur additional costs and complexity, especially…
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 restrict access to your private subnets by avoiding the use of 0.0.0.0/0, which represents all IP addresses globally. While this enhances security, it can also present challenges when your applications and services need to…
Understanding AWS Regions, Availability Zones, and VPCs: A Comprehensive Guide
Introduction In today’s cloud computing landscape, Amazon Web Services (AWS) has established itself as a leader, offering a wide range of services to organizations of all sizes. Among its core features are AWS Regions, Availability Zones (AZs), and Virtual Private Clouds (VPCs), which form the foundation of the AWS infrastructure. Understanding these concepts is crucial…
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, such as Amazon EC2 instances, in a single or multiple Availability Zones. They provide high throughput, low latency, and are designed to handle millions of requests per second while maintaining ultra-low latencies. However, one limitation of NLBs is…
AWS VPC IP Versions: IPv4 vs. IPv6
Hello, Cloud Pioneers! Today, we’re embarking on an enlightening journey through the realms of AWS VPC, focusing on the intriguing comparison between IPv4 and IPv6. Whether you’re orchestrating a sophisticated cloud architecture or keen on understanding the nuanced dance of internet protocols, you’ve come to the right place. So, buckle up as we unravel the…