Ivan Velichko (@iximiuz)

DevOps, SRE, and Platform Engineering (thread) Sharing my understanding of things after working in this domain for about two years. Starting from the clearest one. Dev - this is about application development, aka business logic. The only one that makes money for a company....

Learn Linux, networking, containers, and Kubernetes by solving hands-on problems 🛠️ A curated collection of over 100 carefully crafted challenges - with interactive checks, clear diagrams, and helpful theoretical references. Like LeetCode but for DevOps <a target="_blank" href="https://labs.iximiu...

Ensuring the graceful termination of containers can be tricky. Below are two examples. Different ecosystems (Node.js and Go), but both apps suffer from the same issue - broken SIGTERM propagation. Learn how to fix them 👇 - <a target="_blank" href="https://labs.iximiuz.com/challenges/graceful-termi...

Working with Kubernetes API - 🧵 with resources Kubernetes API is huge. It has over 100 endpoints, an advanced structure, and a dozen specialized concepts - API Groups, Namespaces, Resources, Kinds, Objects, and whatnot. However, under the hood, it's a good old REST API. ...

SSH Tunnels: Port Forwarding on steroids Yesterday, we talked about Port Forwarding - an old networking trick that makes an endpoint accessible via a different address. Ports can be forwarded with socat &amp; netcat, but there is a much more powerful and ubiquitous alternative: SSH. ...