Kubernetes
ceph 20.2.0 (tentacle) released Paid Members Public
Ceph 20 is out - and you should get your hands on it!
Using kyverno to generate secrets Paid Members Public
Sometimes it's the little helpers that make the difference. Here's some kyverno policy you can use to generate secret values in Kubernetes through a mutating webhook.
Helm & variable scopes Paid Members Public
When using variables to track state across loop iterations in Helm templates, declare them outside the loop scope or they'll reset on each iteration.
Zabbix Server not running after upgrading to 7.4.0 Paid Members Public
Upgrading a self-hosted Zabbix instance in Kubernetes sounds like a straightforward task, right? That’s what I thought - until I upgraded our Zabbix deployment to version 7.4.0 and was greeted by an all-too-familiar frontend error: “Zabbix server is not running” This post walks through the upgrade process,
k8s resource limits and their edge cases Paid Members Public
In a kubernetes podspec, ressource limts can be quite suprising...
ingress-nginx 1.12 & allow-snippet-annotations Paid Members Public
If you need to use snippet annotations (why?) on ingress-nginx - you'll also need to adjust the annotation filtering.
multus - deadlock state on thick plugin Paid Members Public
Using Multus CNI's 'thick plugin' in Kubernetes can cause pod startup deadlocks due to circular dependencies between pods and the Multus daemon. Switching to the daemonless 'thin plugin' mode effectively resolves this initialization issue.
kubernetes, cgroups v2 and failing health probes Paid Members Public
Running Kubernetes on a systemd-based OS can lead to pods restarting endlessly due to health probe failures, caused by the systemd cgroup driver. Previously, this was fixed by modifying boot options, but a simpler approach is to switch the kubelet to use cgroupfs instead.
