A brief guide/cheat-sheet on essential Kubernetes commands
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Blog
Write-ups on distributed systems, Postgres and Kubernetes, plus short notes on the tools I use and build.
Recent write-ups
Longer posts, first published on my Confluence space.
- Why Your Postgres Database Might Suddenly Hit 250 Connections
Connection pools are per process: pod count times pool size, rolling updates and retry storms.
- Monitoring, Metrics, and Failure Handling in Distributed Systems
The three pillars of observability, the golden signals, SLIs and SLOs, and alerting on symptoms instead of causes.
- Accessing a k3s Cluster from Windows and GitHub Actions Using a Service Account
A scoped service-account kubeconfig instead of the root-owned default.
- Mastering K3s Deployment with GitHub Actions
Self-hosted runners, kubeconfig secrets and the permission errors that come with them.
- PostgreSQL Docker Backup Script on Windows
PowerShell backups of a remote Docker Postgres, with rotation and retention.
- In this guide, we’ll explore Deployments, ReplicaSets, Namespaces, and Contexts—what they are, how they work, and why they matter. You’ll learn how Kubernetes manages application workloads, organizes resources, and allows seamless switching between clusters.0 comments0 reactions
- A step-by-step guide creating a private Docker registry, and managing images with authentication on a home server.0 comments1 reactions
- Docker is a versatile platform for developing, deploying, and managing applications using lightweight containers. This post consolidates a range of foundational Docker commands, organized by their purpose, into a single, convenient resource.0 comments1 reactions
- This blog explains how I set up a Samsung Smart TV without a remote by using a USB keyboard. I share useful keyboard shortcuts to access settings, navigate channels, and perform a factory reset, making it a quick fix for others in the same situation.0 comments1 reactions
- In this guide, learn how to effectively set up and manage your Prisma database for both development and production environments.0 comments1 reactions
- After a long-awaited goal, I’ve finally built my own blogging platform to share insights, track my learning, and connect with others1 comments10 reactions