Karl Certa Systems & network administrator 5 years in IT, from support to sysadmin, now Ops. Learning cloud, and writing everything down here. Focused on IaC & cloud AWS SAA, Kubernetes next LinkedIn karlcerta.fr GitHub Karl, sysadmin. This is where I drop my findings, my field reports, my tech watch, my technical notes and my AI experiments. What worked, and what failed!
virtualization
OVH had to patch its whole KVM fleet in a hurry after a critical flaw. A look at a fascinating write-up: canary, stop thresholds, anti-affinity and very real headaches.
Karl C. 8 min read 
homelab
7 min
ai
6 min
onyka
6 min
ai
11 min
ssl
14 min
nginx
4 min
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