Windows 11 - enable seconds on clock (again) - may 2023 update Members Public

Windows 11's patch of may 2023 brings back seconds to the system-clock - if you enable it through registry. Let's do this!

Daniel Nachtrub
Daniel Nachtrub
Windows

Configure maximum live migrations on Windows Server 2022 (cluster) / Azure Stack HCI 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

Daniel Nachtrub
Daniel Nachtrub

Migrate a netadapter configuration in an atomic command Members Public

You know the situation: You need to perform multiple commands that will disconnect you in the middle. Functions to the rescue!

Daniel Nachtrub
Daniel Nachtrub
Network

Kubernetes v1.27 - what's new 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

Daniel Nachtrub
Daniel Nachtrub

Change statefulset spec without downtime 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.

Daniel Nachtrub
Daniel Nachtrub
Cloud

Linux kernel keyrings, container isolation and maybe some kerberos 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.

Daniel Nachtrub
Daniel Nachtrub
Kubernetes

Kubernetes 1.26 on Ubuntu 22.04 LTS 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

Daniel Nachtrub
Daniel Nachtrub

openvpn 2.6.0 released 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.

Daniel Nachtrub
Daniel Nachtrub
Linux