Welcome

Welcome to the personal page of Jonas Wagner, where you can find thoughts on software engineering, technology, and philosophy, all the way to posts about travels.

I'm working as a freelance software engineer: CV

Recent Posts

• Gedanken über Sankt Martin

  Posted on:November 14, 2024 |  at 11:00 PM

  Gehe hin und rette Leben!

• Personal key rotation 4: shiny new passwords

  Posted on:September 1, 2024 |  at 09:00 PM

  An easy and secure guide to perform your own personal key rotation and get well-protected accounts.

• Personal key rotation 3: tools for key management

  Posted on:August 25, 2024 |  at 09:00 PM

  Two key tools for keys: a password safe, and psst secret sharing.

• Personal key rotation 2: security and availability

  Posted on:August 18, 2024 |  at 09:00 PM

  Let's analyze our asset graph and find the right security/availability trade-off for our assets.

Highlighted posts

• Counting CPU Cycles

  Posted on:January 26, 2015 |  at 10:00 PM

  How to measure the time (≈ CPU cycles) needed to execute a small piece of code, using the RDTSC instruction. A little experiment.

• A traveller's diary, part one

  Posted on:October 11, 2014 |  at 04:13 PM

  Part one of my journey to the Rocky Mountains: how everything started.