Containers & Kubernetes

3+ day, 20+ hour ago   (887+ words) You must use a kubectl version that is within one minor version difference of your cluster. For example, a v1.37 client can communicate with v1.36, v1.37, and v1.38 control planes. Using the latest compatible version of kubectl helps avoid unforeseen issues. The following methods…...

11+ hour, 7+ min ago   (694+ words) The feature gap between these three tools is wider than a typical three-way vendor comparison because they aren’t really competing on the same axis. DevZero automates first and reports second. Kubecost reports first and recommends second. Cast AI tries to…...

3+ hour, 59+ min ago   (1254+ words) How measuring Kubernetes node storage usage led to a simpler capacity decision in an Amazon EKS cluster. In Engineering Build Notes #1, I investigated what initially looked like an opportunity to reduce worker-node capacity. The nodes appeared to have more capacity…...

6+ hour, 20+ min ago   (595+ words) This runbook resolves the situation where an EC2 instance is running and visible in the console but either does not appear in the Systems Manager Fleet Manager inventory, or returns a connection error when you attempt to start a Session Manager…...

6+ hour, 52+ min ago   (1344+ words) 1. Cenário de negócio Neste projeto, será implementado um VPC peering entre duas VPCs que... Tagged with aws, cloudcomputing, networking....

3+ week, 3+ day ago   (511+ words) Joe Cassavaugh shares his journey from software engineer to successful solopreneur with a $2M+ indie franchise. He explains how he scaled production to 10 games in 5 years, adopted Unity to boost velocity 4-6x, optimized content pipelines, and leveraged refactoring patterns. He discusses key…...

9+ hour, 15+ min ago   (457+ words) Most demos of AI-for-infrastructure tools show a clean run. I think that is exactly backwards, and I want to explain why by walking through the thirty seconds of my own demo that a normal product video would have cut. A…...

10+ hour, 34+ min ago   (373+ words) 1.True State Retention Without Complicated Databases Earlier, if you wanted your backend code to retain a simple piece of information from a past user action, you had to store that data in an external database, such as Amazon DynamoDB. For…...

12+ hour, 8+ min ago   (442+ words) A regular-expression denial-of-service bug is a regex whose backtracking engine can be pushed into super-linear (often exponential) time by a short, hand-crafted input. The textbook shape is a quantifier inside a quantifier: The scary part is that these patterns look…...

7+ hour, 41+ min ago   (1230+ words) Kubernetes is designed to make infrastructure changes safer. During a node upgrade, cluster maintenance …...