My BlogBackend developer sharing insights on Node.js, TypeScript, PostgreSQL, and web development best practices.https://nivekithan.com/Building linear-fuse: Learning C through a FUSE filesystemhttps://nivekithan.com/posts/building-linear-fuse-learning-c-through-fuse-filesystem/https://nivekithan.com/posts/building-linear-fuse-learning-c-through-fuse-filesystem/My experience building a FUSE filesystem that lets you browse Linear projects and issues as files and folders, and what I learned about C programming along the way.Sun, 11 Jan 2026 00:00:00 GMTImplementing Levenshtein Distance Check in Kotlinhttps://nivekithan.com/posts/implementing-levenshtein-distance-check/https://nivekithan.com/posts/implementing-levenshtein-distance-check/Learn how to implement a recursive Levenshtein distance checker in Kotlin that determines if two words are within a specified edit distance.Thu, 23 Oct 2025 00:00:00 GMTDeploying a Simple Web Server with HTTPS on K3shttps://nivekithan.com/posts/simple-https-web-server-on-k3s/https://nivekithan.com/posts/simple-https-web-server-on-k3s/A step-by-step guide to deploying a web server with HTTPS on K3s, covering installation, service configuration, ingress setup, and automatic SSL certificate management with cert-manager.Sun, 20 Jul 2025 00:00:00 GMTRecovering Mangled YouTube URLs: A Brute-Force Adventurehttps://nivekithan.com/posts/recover-youtube-links/https://nivekithan.com/posts/recover-youtube-links/How to recover corrupted YouTube URLs using brute-force permutations and yt-dlp validation when a frontend bug lowercases video IDsSat, 12 Jul 2025 00:00:00 GMTAutomated postgres backups using pgBackResthttps://nivekithan.com/posts/automated_backups_postgres/https://nivekithan.com/posts/automated_backups_postgres/A complete guide on setting up automated backups using pgBackRest on Ubuntu 24.04 VPS for hobby useSun, 29 Jun 2025 13:14:28 GMTsetting up postgresql on a vpshttps://nivekithan.com/posts/setup_postgres_vps/https://nivekithan.com/posts/setup_postgres_vps/a complete guide to installing, configuring, and securing postgresql on ubuntu 24.04 vps for hobby useSat, 28 Jun 2025 12:00:00 GMTHow to implement fixed window Ratelimiterhttps://nivekithan.com/posts/how-to-implement-fixed-window-ratelimiter/https://nivekithan.com/posts/how-to-implement-fixed-window-ratelimiter/We will be implementing a fixed window ratelimiter using typescript and redis.Sat, 29 Jul 2023 07:35:24 GMTSolve Fly.io echo challenge using Denohttps://nivekithan.com/posts/solve-flyio-echo-challenge-using-deno/https://nivekithan.com/posts/solve-flyio-echo-challenge-using-deno/We will be solving the Echo challenge from [fly.io](http://fly.io) using Deno. I am assuming you have already installed [maelstrom](https://github.com/jepsen-io/maelstrom) and set it up properly.Sat, 17 Jun 2023 07:14:27 GMTDeploy a lambda function written in typescript using cdktf and esbuildhttps://nivekithan.com/posts/deploy-a-lambda-function-written-in-typescript-using-cdktf-and-esbuild/https://nivekithan.com/posts/deploy-a-lambda-function-written-in-typescript-using-cdktf-and-esbuild/Goal behind this blog, is to deploy a `lambda` function in `aws` written in `typescript` using [cdktf](https://www.terraform.io/cdktf) and [esbuild](https://esbuild.github.io/) and make that `lambda` ...Sat, 08 Oct 2022 17:36:58 GMT