Today, once again, half the internet went dark not because of a global power failure or a cyber-attack, but because a single AWS region, us-east-1 (N. Virginia), had a bad day. Perplexity went down. Amazon itself stumbled. Substack, Signal, Fortnite, and countless others vanished into the ether. Even services like Statuspage.io, used by companies to … Read more
Managing tags for AWS CloudWatch log groups is crucial for operational visibility, cost management, and effective resource organization. Tagging log groups manually can be cumbersome, especially when dealing with a large number of log groups. This article outlines a straightforward method to automate this task using Python and the AWS SDK for Python (Boto3). Importance … Read more
Proper tagging of AWS resources is critical for efficient resource management, cost allocation, and auditing. If you have numerous AWS Elastic Container Registry (ECR) repositories, manual tagging can be tedious and error-prone. This article provides a simple and effective solution: automating the tagging of ECR repositories using Python and the AWS SDK for Python (Boto3). … Read more
Managing container images in Amazon ECR (Elastic Container Registry) is crucial for keeping your registry clean and cost-effective. Over time, unused or deprecated images can accumulate, potentially leading to increased storage costs and operational overhead. One common scenario is removing images that follow a specific tagging pattern—in this case, any image tagged with versions following … Read more
Below is an example Bash script that uses the AWS CLI to retrieve all your Amazon ECR repositories and then sets the image tag mutability of each repository to MUTABLE. Before running the script, ensure you have the AWS CLI installed and configured with appropriate permissions. Explanation This script automates the process of ensuring all … Read more
Managing container repositories in AWS ECR (Elastic Container Registry) can quickly become a daunting task, especially as your infrastructure grows. In this article, we’ll take an in-depth look at a handy bash script designed to automate the application of lifecycle policies to your ECR repositories. This script not only simplifies repository management but also ensures … Read more
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 … Read more
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 … Read more
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 … Read more