Network
Enable SR-IOV on Broadcom NICs and configure VF count
Running broadcom network cards using SR-IOV might require configuration of the cards firmware. This also applies for example if you want to adjust the total number of virtual functions.
Multus - pod stuck in terminating state
Having multus in place, pods might be stuck in starting or terminating state if you made a mistake in the config.
Migrate a netadapter configuration in an atomic command
You know the situation: You need to perform multiple commands that will disconnect you in the middle. Functions to the rescue!
Linux kernel keyrings, container isolation and maybe some kerberos
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.
openvpn 2.6.0 released
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)
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.
Windows 11 22H2 - stuck RDP session establishment when using UDP transport
Windows 11 22H2 currently has an issue when connecting using the Remote Desktop gateway or Remote Desktop Connection Broker. This article gives some information and possible workarounds.
XDP for Windows - and it's open source
XDP (eXpress Data Path) is a high performance, programmable network data path and Microsoft is working on an implementation for Windows.