Replace tls cert using commandline (netsh) Members Public

TLS endpoints on windows are often served by the operating system itself. Related certificate bindings can be managed using the command line easily. This guide shows how to replace a certificate using the commandline.

Daniel Nachtrub
Daniel Nachtrub
Windows

Forever growing zabbix database Members Public

Starting with zabbix 6.0 some new featuers have been added - for example audit logging. This post shows downsides / limitations of audit logging on this release and how to avoid negative impact of this.

Daniel Nachtrub
Daniel Nachtrub
Database

Fixing a corrupt vhdx file manually Members Public

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.

Daniel Nachtrub
Daniel Nachtrub
Windows

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