About Christian Hofstede-Kuhn
Welcome to my Gemini capsule! I'm Christian Hofstede-Kuhn, an IT consultant and open source advocate with a passion for automation, systems engineering, and secure infrastructure.
Background
With over 20 years of experience in Linux systems (including RHEL, Debian, Ubuntu, and SUSE), I hold certifications like LPIC Level 1 and RHCSA. I'm also an advanced specialist in FreeBSD, focusing on networking, security, and containerization.
My professional journey started with an apprenticeship at Pro-Medisoft AG (2004-2007), where I honed skills in Java programming, database design, and software engineering. I then worked as a Java Developer at Medpex GmbH (2010-2012), Systems Administrator at awitna GmbH (2012-2019), IT Engineer at Noventi Health SE (2019-2022), and currently serve as a Cloud Consultant at Red Hat GmbH (since 2023).
Interests and Expertise
I specialize in:
- DevOps and automation tools like Ansible, Docker, Kubernetes, Podman, and CI/CD with GitLab and Jenkins
- Networking, including IPv6, firewalls, and datacenter projects
- Security practices such as PKI, jails, and audits using HashiCorp Vault
- Cloud platforms like OpenShift, Quadlets, and Traefik
- Applications including webservers (Apache, Nginx), databases (PostgreSQL, MySQL, MariaDB), and DNS (ISC Bind, PowerDNS)
Featured Projects
Here are some of my key projects:
- FreeBSD Advanced Networking: A guide to enterprise-grade firewall setups using VNET and Jails for secure, high-performance routing.
- SSH Key Audit Automation: An Ansible playbook for managing and auditing SSH keys across enterprise infrastructure to ensure compliance and security.
- Forgejo with Quadlets: Deployment guide for Forgejo Git platform using Podman Quadlets and Traefik, emphasizing container orchestration without Docker.
- Burningboard.net - Mastodon Instance: Administering a German-speaking Mastodon server for a tech community, promoting decentralized social networking.
Contact
Feel free to reach out via email: info@hofstede.it
For more details, visit my main website:
This about page is based on information from my professional portfolio.