Welcome!


I'm a Linux-oriented developer. I publish articles and tutorials on stuff that I experiment on.

I have an extensive background in catering & events, and I'm enthusiastic about programming, AI, Linux, RPA, writing, investing and art.

This site is hosted and developed by me. The site runs on Linux, Apache, PostgreSQL and Django.

Currently I'm working full time as a full stack develop at Sitowise.
Kalle Tolonen mugshot
Contact & Refs




Recent articles


Elements of Sustainable ICT pt. 10 (On Sustainability In ICT Business Context)

Telco is about logistics, you can think about it as in transferring data (goods) from place A to place B. Telco uses the most energy in Mobile Access (first principles dictate this).

2025-03-27

How to convert a MD to a PDF with Pandoc

Pandoc is a quick tool for making documents into other kind of documents. Here's how to convert a Markdown-file to a PDF.

2025-03-15

Elements of Sustainable ICT pt. 9 (On sustainability mindset)

There are design condiderations for designing an ICT-system. Some of the needs are environmental, social, economic, individual and tech related. The scope of the effects are direct, indirect or structural.

2025-03-12

Elements of Sustainable ICT pt. 8 (On AI)

AI is the discipline of developing intelligent agents that encompases machine learning, deep learning, generative AI (ability to create new content based on what's learned). Types of DL models are Discriminate models (can classify cat pictures) and Generative AI models that can generate cat pictures (very compute intensive).

ML and AI models are build in 4 phases: development (Collect data -> clean -> train), training (Live data and validation produces trained models), Inference (Query -> prediction (output of some sort)) and Monitoring.

2025-03-07

How to fix a lecture video's crappy audio

Teachers don't know how to use basic audio devices, like microphones. You need some tools to help you with hearing. So ffmpeg is here to help!

2025-03-07




Refs


Superlatiivit.com reference photo
Data mining & processing

paiste.fi refencce photo
Front-End with Bootsrap

kalletolonen.com reference photo
Fullstack and hosting on my own server

deftle reference photo
Python Wordle clone with word definitions