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Colin Mietka

Posts

2025

Agents, MCP, RAG, Knowledge Graphs, all open source and local
·2923 words·14 mins
AI LLM RAG MCP Agent Knowledge Graph Embeddings
Agentic AI and MCP are the new thing in 2025. I figured it’s time to try them out and share the results. Witness the rise of my AI Agent, with Web Search, Data Analysis and Knowledge Graph enhanced RAG.
Self-host your AI assistant
·1797 words·9 mins
AI LLM RAG Homelab Privacy Code
AI assistants are now commonly used for various tasks, powered by advanced machine learning models. While cloud-based services is the go to for most people, concerns over data privacy have led me to explore self-hosting as a cost-effective alternative.

2024

DeGoogle your phone
·1688 words·8 mins
Phone Android Privacy E/OS/ Murena ROM
With nowadays smartphone, you can do anything. And the two main systems reign supreme on the market. But if you value your privacy, another path is possible. It is called e/OS/. It’s open source, it’s free, and it doesn’t spy on you. Let’s see what it is and how to finally switch your phone to it !
Own your Data
·1874 words·9 mins
Data Homelab Privacy
What can you do with the old computer you have in the closet ? I decided to install a Linux system and use it as a homelab. A background computer that can run a few services like serving media on your network, hosting your website, keep a copy of your data, and much more !
My Linux Journey
·2059 words·10 mins
Linux OS FOSS
I have used computers all my life, being for work or pleasure like many of my generation. I used the 3 major OS on the market and I have to say that the best one for me is Linux and here is why I switched away from the others.
How I discovered Static Site Generators
·1278 words·6 mins
SSG Hugo Blog
I’m not a web developer, just an enthusiast with some development related skills. And using SSGs is just a really fast, simple and enjoyable way to publish a website with content.