As this page is constantly out of date, I rewrote it as cleanly and short as possible.
I learned computers from the early age of 11. This gives me a bit of knowledge with legacy systems. Other than that I’m a computer engineer, worked as sysadmin, did devops and lately focusing on test systems automation.
Short (incomplete) list of the stuff I know: aix, ansible, aws, checkmk, docker, freenas, gerrit, grafana, haproxy, influxdb, jenkins, lamp, linux, lxc, nagios, nginx, pfsense, proxmox, solaris, telegraph, vagrant, windows, xen