learnwithsk.dev https://learnwithsk.dev An independent engineering publication by Santosh Katageri — articles and Field Notes on building and understanding real systems. en Sat, 19 Sep 2026 00:00:00 GMT A single tab in a YAML heredoc https://learnwithsk.dev/field-notes/2026-09-19-single-tab-in-yaml-heredoc https://learnwithsk.dev/field-notes/2026-09-19-single-tab-in-yaml-heredoc Sat, 19 Sep 2026 00:00:00 GMT A small indentation mistake that stopped an Ansible playbook before it could run. OrbStack VMs ship without openssh-server https://learnwithsk.dev/field-notes/2026-09-19-orbstack-vms-ship-without-openssh-server https://learnwithsk.dev/field-notes/2026-09-19-orbstack-vms-ship-without-openssh-server Sat, 19 Sep 2026 00:00:00 GMT An SSH connection failure in the lab started with a missing service, not a bad key. Isolated-machine mode disables SSH agent forwarding — by design https://learnwithsk.dev/field-notes/2026-09-19-isolated-machine-mode-disables-ssh-agent-forwarding https://learnwithsk.dev/field-notes/2026-09-19-isolated-machine-mode-disables-ssh-agent-forwarding Sat, 19 Sep 2026 00:00:00 GMT The OrbStack isolation setting behind an unexpected SSH authentication problem. Cloned VM = same host keys + machine-id https://learnwithsk.dev/field-notes/2026-09-19-cloned-vm-same-host-keys-machine-id https://learnwithsk.dev/field-notes/2026-09-19-cloned-vm-same-host-keys-machine-id Sat, 19 Sep 2026 00:00:00 GMT A cloned lab VM needs its own identity before it joins the cluster. "Already compliant" is a success state https://learnwithsk.dev/field-notes/2026-09-19-already-compliant-is-a-success-state https://learnwithsk.dev/field-notes/2026-09-19-already-compliant-is-a-success-state Sat, 19 Sep 2026 00:00:00 GMT An Ansible task should succeed when the machine is already in the desired state. The cluster that almost wasn't https://learnwithsk.dev/blog/the-cluster-that-almost-wasnot https://learnwithsk.dev/blog/the-cluster-that-almost-wasnot Fri, 18 Sep 2026 00:00:00 GMT Stage 1 of Ship Boring Lab: building a two-node Kubernetes cluster from scratch, debugging SSH, cloned VM identities, Ansible edge cases, and the failures hiding underneath the automation. Build, Break & Operate — a Ship Boring build-in-public series https://learnwithsk.dev/blog/build-break-operate-ship-boring https://learnwithsk.dev/blog/build-break-operate-ship-boring Mon, 14 Sep 2026 00:00:00 GMT The manifesto: why the best infrastructure is boring, why in-house tooling deserves a public rebuild, and the five rules this series will not break. Stop collecting skills. Build a skill stack. https://learnwithsk.dev/blog/stop-collecting-skills-build-a-skill-stack https://learnwithsk.dev/blog/stop-collecting-skills-build-a-skill-stack Tue, 08 Sep 2026 00:00:00 GMT The goal isn't to learn everything. It's to become good at solving problems that actually matter. A good day of building and learning https://learnwithsk.dev/field-notes/2026-09-07-a-good-day-of-building-and-learning https://learnwithsk.dev/field-notes/2026-09-07-a-good-day-of-building-and-learning Mon, 07 Sep 2026 00:00:00 GMT Refreshing programming fundamentals, making progress on a side project, and giving LearnWithSK its own identity. AI can help us move faster, but it can't replace good engineering https://learnwithsk.dev/blog/ai-can-help-us-move-faster-but-it-cant-replace-good-engineering https://learnwithsk.dev/blog/ai-can-help-us-move-faster-but-it-cant-replace-good-engineering Mon, 07 Sep 2026 00:00:00 GMT AI is changing how we build and operate software. But as the tools get smarter, understanding what we are building and knowing when something is wrong becomes even more important.