Configure maximum live migrations on Windows Server 2022 (cluster) / Azure Stack HCI Paid Members Public
Just a very quick information. In case you are running a Windows Server 2022 based cluster (the same applies to Azure Stack HCI) and you wonder why it keeps reverting the per-host configuration of live-migrations (like if you set it using Set-VMHost), the reason is that this setting is nowadays
Migrate a netadapter configuration in an atomic command Paid Members Public
You know the situation: You need to perform multiple commands that will disconnect you in the middle. Functions to the rescue!
Kubernetes v1.27 - what's new Paid Members Public
Kubernetes 1.27 is released! Having the fancy name Chill Vibes it brings up to 60 enhancements. I've picked a few to highlight them in this post. Image registry change to registry.k8s.io This change has been active for several months already - the kubernetes image registry
Change statefulset spec without downtime Paid Members Public
Altering statefulsets on kubernetes can be tricky - as statefulsets are very common used for persistent applications like databases recreation is no option. This guide shows a path around some of these limitations.
Linux kernel keyrings, container isolation and maybe some kerberos Paid Members Public
On a recent project I've been stumbling on the case that kerberos tickets have been inadvertently shared across containers on a node - which obviously caught my attention as I'm not keen on sharing such secrets across workloads. This post describes why this happens and what to do to prevent this.
Kubernetes 1.26 on Ubuntu 22.04 LTS Paid Members Public
Ubuntu is a very suitable distribution to run kubernetes because we have an up to date kernel with up to date features and packages are available widely. Running kubernetes on Ubuntu is straight forward - except it requires packages that are newer than the upstream provides. This is the case
openvpn 2.6.0 released Paid Members Public
The new openvpn 2.6.0 has some very nice and shiny features you might want to starting using soon. This post highlights some of them.
Create a TPM backed certificate request (on windows) Paid Members Public
Certificates are everywhere - sometimes you want to keep them even more secure than just on the filesystem (or operating system store). This guide shows how to create TPM backed certificates on windows.
