Colin Mietka
Available for new challenges.

Colin Mietka
Data & AI Engineer

Passionate about Data Science & AI, advocating for Free and Open Source Software.
colin@life:~$ grep -r 'priorities' ./values
→ [Curiosity] Tech is moving: always stay on top, don't miss things.
→ [Balance] Father of two. Offline is the ultimate low-latency experience.
→ [Openness] Open Source isn't just code; it's digital freedom and shared growth.
colin@work:~$ tail -f /dev/passion
Always ready to learn and grow.

Recently

Latest projects and technical deep-dives.
Homelab Automation
gitlab

Homelab Automation

It seems everyone building a homelab goes through this phase. This is my take on homelab automation, extensively using gitlab CI/CD powers and Renovate bot.
Colin Mietka

Colin Mietka

Agents, MCP, RAG, Knowledge Graphs, all open source and local
AI

Agents, MCP, RAG, Knowledge Graphs, all open source and local

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.
Colin Mietka

Colin Mietka

Self-host your AI assistant
AI

Self-host your AI assistant

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.
Colin Mietka

Colin Mietka

DeGoogle your phone
Phone

DeGoogle your phone

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 !
Colin Mietka

Colin Mietka

Own your Data
Data

Own your Data

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 !
Colin Mietka

Colin Mietka

My Linux Journey
Linux

My Linux Journey

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.
Colin Mietka

Colin Mietka