Daniel Nachtrub

Kind of likes computers. Linux foundation certified: LFCS / CKA / CKAD / CKS. Microsoft certified: Cybersecurity Architect Expert & Azure Solutions Architect Expert.

Patchday notes - VM stuck at boot (june 2022) Members Public

On june's patchday it might happen that windows based VMs do not start correctly. Be sure to plan your patchdays ahead and be ready to fix any issues right away.

Daniel Nachtrub
Daniel Nachtrub
Windows

XDP for Windows - and it's open source Members Public

XDP (eXpress Data Path) is a high performance, programmable network data path and Microsoft is working on an implementation for Windows.

Daniel Nachtrub
Daniel Nachtrub
Windows

openvpn data channel offload Members Public

openvpn is working on offloading the data channel to kernel space. This is improving throughput by an order of magnitude according tests.

Daniel Nachtrub
Daniel Nachtrub
Network

terraform - use nullable in variables for default values Members Public

Writing terraform makes it easy to split code into modules. To avoid setting default values on each layer of the stack, use nullable to provide a way to fallback to the module's own default value.

Daniel Nachtrub
Daniel Nachtrub
Azure

upgrade postgres with timescaledb Members Public

Upgrading postgres can be a challenging task, because databases are mostly in use. Having extensions like timescaledb introduces even more complexity. This guide shows a fast way to upgrade a postgres database with timescaledb.

Daniel Nachtrub
Daniel Nachtrub
Linux

freebsd 12.3 / pfsense 2.6 on hyper-v with low throughput Members Public

Upgrading pfsense running on hyper-v to version 2.6 might result in a massive performance regression when the VMSwitch has RSC enabled.

Daniel Nachtrub
Daniel Nachtrub
Linux

Storage Spaces Direct / S2D - Disks stuck in maintenance mode Members Public

Having a storage space direct cluster stuck in storage maintenance mode feels quite unlucky. Luckily we've fond a way to fix this!

Daniel Nachtrub
Daniel Nachtrub
Windows

Zabbix 6.0 - new major release Members Public

While the whole world seems to run prometheus, zabbix is still on track and provides a whole set of new features on it's next major release: Zabbix 6.0. This post will give a brief overview about the (in my opinion) most important features. Baseline monitoring This is

Daniel Nachtrub
Daniel Nachtrub