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Bridge vs. Switch: What I Learned From a Data Center TourNetworking Lab: Ethernet Broadcast DomainsNetworking Lab: L3 to L2 Segments MappingNetworking Lab: Simple VLANDon't miss new posts in the series! Subscribe to the blog updates and get deep technical write-ups on Cloud Native topics direct into your inbox. TL;DR SSH Port Forwarding as a printable cheat sheet. SSH is yet another example of an

What's Inside Of a Distroless Container Image: Taking a Deeper Look GoogleContainerTools' distroless base images are often mentioned as one of the ways to produce small(er), fast(er), and secure(r) containers. But what are these distroless images, really? Why are they needed? What's the difference between a container built from a distroless base and a container built from scratch? Let's take a dee

There are lots of posts trying to show how simple it is to get started with Kubernetes. But many of these posts use complicated Kubernetes jargon for that, so even those with some prior server-side knowledge might be bewildered. Let me try something different here. Instead of explaining one unfamiliar matter (how to run a web service in Kubernetes?) with another (you just need a manifest, with thr

Containers 101: attach vs. exec - what's the difference?Why and How to Use containerd From Command LineDocker: How To Extract Image Filesystem Without Running Any ContainersKiND - How I Wasted a Day Loading Local Docker ImagesDon't miss new posts in the series! Subscribe to the blog updates and get deep technical write-ups on Cloud Native topics direct into your inbox. You can find a Russian trans

How To Call Kubernetes API from Go - Types and Common MachineryHow To Extend Kubernetes API - Kubernetes vs. DjangoHow To Develop Kubernetes CLIs Like a ProDon't miss new posts in the series! Subscribe to the blog updates and get deep technical write-ups on Cloud Native topics direct into your inbox. There are plenty of reasons to call the Kubernetes API using a CLI (like curl) or GUI (like postma

I compiled this thread on Twitter, and all of a sudden, it got quite some attention. So here, I'll try to elaborate on the topic a bit more. Maybe it would be helpful for someone trying to make a career decision or just improve general understanding of the most hyped titles in the industry. DevOps, SRE, and Platform Engineering (thread) Sharing my understanding of things after working in this doma

Traefik: canary deployments with weighted load balancingDon't miss new posts in the series! Subscribe to the blog updates and get deep technical write-ups on Cloud Native topics direct into your inbox. Before jumping to any Kubernetes specifics, let's talk about the service discovery problem in general. What is Service Discovery In the world of web service development, it's a common practice to ru

Don't miss new posts in the series! Subscribe to the blog updates and get deep technical write-ups on Cloud Native topics direct into your inbox. Well, I don't see any practical applications of the approach I'm going to describe... However, I do think that messing about with things like this is the only way to gain extra knowledge of any system internals. We are going to speak Docker and Linux her