Fixing a corrupt vhdx file manually
Recently, I've had a corrupted VHDX file that has not been able to mount or repair using regular tools ("The file or directory is corrupted and unreadable"). This guide describes the steps that fixed it.
Patchday notes - VM stuck at boot (june 2022)
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.
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.
openvpn data channel offload
openvpn is working on offloading the data channel to kernel space. This is improving throughput by an order of magnitude according tests.
terraform - use nullable in variables for default values
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.
upgrade postgres with timescaledb
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.
freebsd 12.3 / pfsense 2.6 on hyper-v with low throughput
Upgrading pfsense running on hyper-v to version 2.6 might result in a massive performance regression when the VMSwitch has RSC enabled.
Storage Spaces Direct / S2D - Disks stuck in maintenance mode
Having a storage space direct cluster stuck in storage maintenance mode feels quite unlucky. Luckily we've fond a way to fix this!
