When you are debugging a production incident, you are forming hypotheses, testing them against evidence, ruling things out, trying not to confuse correlation with causation, and making triage calls un…

I wanted a browser terminal at terminal.mrkaran.dev that works from laptop, tablet, and phone without special client setup. The stack that works cleanly for this is ttyd + tmux. Architecture# Browser…

I recently set up LiteLLM with AWS Bedrock as the LLM provider. The docs cover the happy path, but there are a few gotchas that cost me some debugging time. This post covers what I learned, from basic…

In my previous post, I introduced Gullak, an expense tracker I built to categorize transactions using LLMs. While the initial prototype used SQLite, I’ve since made a fundamental shift in how Gullak s…

The industry is currently obsessed with defining standards for how Large Language Models (LLMs) should interact with software. We see a proliferation of SDKs, function calling schemas, and protocols l…

About eight months ago I wrote about Logchef – a log viewer I’d been building to scratch my own itch with log exploration at work. Back then it was basically a nicer way to query ClickHouse without wr…

About a month ago, I downloaded my CIBIL report expecting a routine check. Instead, I found loans from lenders I had never interacted with, written-off accounts, overdues from fintechs I had never ins…

Everyone is worried that AI will replace programmers. They’re missing the real revolution: AI is turning everyone into one. I’ve been noticing a new pattern: people with deep domain knowledge but no c…

Introduction# For the past five years, I have maintained a homelab in various configurations. This journey has served as a practical exploration of different technologies, from Raspberry Pi clusters r…

I recently spent some time debugging a WireGuard tunnel that was acting weird. The handshake was successful, pings worked perfectly, but any TCP connection failed with connect: no route to host. Class…

So, for the last 3-4 months, I’ve been busy building Logchef. This tool basically grew straight out of my day job managing logs at Zerodha, where I’ve been managing logs for almost half a decade. I wa…

I’ve been introduced to Nix by my colleagues at work. Being a Linux user for over a decade and a serial distro hopper, I was curious to learn more about it. I’d seen Nix mentioned before, but the comm…

I’ve been playing badminton more regularly since the start of 2025 - almost 4-5 days a week. I recently moved to a new part of the city, which meant I couldn’t play with my old friends anymore. PlayO…

My Obsidian vault has gotten quite messy over time. I’ve been dumping notes without proper frontmatter, tags were all over the place, and some notes didn’t even have proper titles! I needed a way to c…

2024 was indeed an important year for me as it marked several significant milestones. Quite happy with how this year was! Here’s my reflection on this memorable year. Life# Got married to the pretties…

Just yesterday, GitHub announced integrating Claude 3.5 Sonnet with Copilot. Interesting times ahead. In my experience, Claude has been remarkably better than the GPT-4 family of models for programmin…

I recently discovered Outline a collaborative knowledge base. I wanted to self-host it on my server, but the mandatory auth provider requirement was off-putting. My server is on a private encrypted ne…

A couple of weeks ago, I decided to start logging and tracking my expenses. The goal was not to record every minor purchase but to gain a general insight into where my money was going. In this post, I…

Last month, I did a wonderful trip travelling through the scenic landscapes of Switzerland. My wife and I were in Lucerne and had scheduled a day trip to Mt. Titlis for the next day but were wondering…

I have an upcoming trip to Europe, which I am quite excited about. I wanted to set up a Tailscale exit node to ensure that critical apps I depend on, such as banking portals continue working from outs…