Portfolio
You can follow me on LinkedIn, Twitter, Mastodon, Bluesky to learn more about my activities.
Speaking & Talks
See my talks. My speaker bio/pictures can be found in this document.
Activities
- GitLab Duo Coffee Chat - live learning series with AI-powered workflows.
- My Ops in Dev newsletter on opsindev.news learning AI/ML, Observability, eBPF. — paused in 2024, too much workload.
- Co-founder of the #EveryoneCanContribute cafe meetup group to learn Cloud-Native and DevSecOps, including social activities & making new friends. — inactive, occasionally in person.
Media & Interviews
Certificates
Blog
See my blog.
GitLab blog posts
Publications
- 2024: "How to get started using AI in software development" - ebook published by GitLab
- 2023: "Observability-Praxis im CI/CD-Prozess" - German article in heise iX Developer special: "Cloud Native"
- 2023: "Debugging in Produktion: Chaos Engineering mit eBPF" - German article in heise iX Developer special: "Cloud Native"
- 2022: "Log-Management platforms overview" - German article in heise iX 09/22
- 2021: "From First Code to Cloud Native Deployment: A Learning Journey"
- 2020: "97 Things Every Cloud Engineer Should Know" book - Article contributions. Released Jan 2021 by O'Reilly.
- 2019: Quo vadis, DevOps? GitLab CI und CD installieren und konfigurieren - article in heise iX 04/19
- 2018: Small Things Monitoring - article in heise iX 04/18
- 2014: Systemüberwachung mit Icinga 2 - article in heise iX open source special 2014
Reviews
- 2022: State of Observability 2022 report by Splunk (German)
- 2022: Hacking Kubernetes book by Andrew Martin, Michael Hausenblas, O'Reilly for Heise.de
- 2018: Icinga 2 - Practical Monitoring (German) incl. a chapter contribution
- 2013: Nagios/Icinga cookbook (German)
Workshops
Projects at GitLab
My daily work involves contributing to Open Source, creating helpful resources and explore new ways to learn together - everything documented in our handbook.
Opstrace
I was involved in the acquisition process as the community DRI (directly responsible individual) and am contributing to community activities and product features and use cases.
CI/CD Observability with OpenTelemetry is one of the focus areas in 2022.
Docker Hub Limit Monitoring
Go Excusegen
Modify the message for Xkcd 303. I've forked the project and enriched it with GitLab CI/CD builds.