CatOps Digest 2025-03-30
What was on CatOps in the last several weeks
I have missed one week again, so here you are. However, there were not that many articles on the channel, since I was traveling last week.
Charity
A standing Monobank Jar by Serhii Sternenko for FPV drones.
Time Sensitive
Two weeks to grab a bundle of books about programming and software design.
AWS gives away a couple of certifications for free with a couple of conditions. You need to pass the exams before August 2025, so this technically qualifies as time sensitive.
Digest
How to Scale Elasticsearch to Solve Your Scalability Issues - some tips and tricks of dealing with Elasticsearch clusters.
Unspoken git secrets that save you mountains of time as an engineer - some more tips and tricks. This time about Git.
Multi-Environment GitOps for Kubernetes with ArgoCD, Crossplane, and Kyverno - one of the ways of creating multi-cluster or multienvironment setups. Notice, that this article is quite old, so while the core ides still stand, the tools and approaches have changed since then.
Harden-Runner detection: tj-actions/changed-files action is compromised - supply chain attack using an action from the GitHub Actions tool chain.
PolylogCS - a YouTube channel with nice videos that explain the computer science concepts.
Database Fundamentals - a tldr based on two great books about the databases - “Database Internals”by Alex Petrov and “Designing Data-Intensive Applications” by Martin Kleppmann.
Next.js and the corrupt middleware: the authorizing artifact - bypassing the Next.js routing middleware.
IngressNightmare: 9.8 Critical Unauthenticated Remote Code Execution Vulnerabilities in Ingress NGINX - a huge vulnerability in Nginx Ingress that you have likely already heard about.
That’s all for today. Here’s a photo of some cat paws.
