Office hours

I work as a system development engineer for a major cloud provider.

Skills

My areas of expertise include:

Troubleshooting and problem solving
High-availability systems
Expert Linux/FreeBSD sysadmin
C and Python programming
Operating systems internals, down to the kernel
Amazon AWS Certified Solutions Architect - Associate (this website is hosted thanks to Route53/S3/CloudFront)
Amazon AWS Certified Developer - Associate

To keep my skills relevant and out of curiosity, my personal services are self-hosted on a dedicated server for more than 10 years:

FreeBSD and Linux systems
Virtualization/containers: from Linux-VServer, OpenVZ, FreeBSD jails to Proxmox and Docker / docker-compose stack.
Web hosting: Nginx, Apache, LetsEncrypt
Databases: MySQL, Redis
Mail hosting: Postfix, Dovecot, Roundcube, Rspamd, Bogofilter, Procmail, Fetchmail, Offlineimap, Spf, Dkim
Monitoring: Prometheus, Grafana
Various services: git repositories, wiki, vpn, backups, personal cloud, …
Configuration management: Ansible, CFEngine
Provisioning tools: Packer, Terraform

Technical reviewer for the O’Reilly book C in a nutshell
Technical reviewer for the O’Reilly book Introducing Python (endorsement on back cover)
Technical reviewer for the O’Reilly book Learning CFEngine 3 (3rd edition)