You've successfully subscribed to Nuvotex Blog
Great! Next, complete checkout for full access to Nuvotex Blog
Welcome back! You've successfully signed in.
Success! Your account is fully activated, you now have access to all content.
Success! Your billing info is updated.
Billing info update failed.
Daniel Nachtrub

Daniel Nachtrub

Just some guy working with computers.

terraform - use nullable in variables for default values

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.

Daniel Nachtrub
Daniel Nachtrub
Azure
upgrade postgres with timescaledb

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.

Daniel Nachtrub
Daniel Nachtrub
Linux
freebsd 12.3 / pfsense 2.6 on hyper-v with low throughput

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.

Daniel Nachtrub
Daniel Nachtrub
Linux
Storage Spaces Direct / S2D - Disks stuck in maintenance mode

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!

Daniel Nachtrub
Daniel Nachtrub
Windows
Zabbix 6.0 - new major release

Zabbix 6.0 - new major release

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 monitoringThis is one of the

Daniel Nachtrub
Daniel Nachtrub
Exchange database fails with serious I/O error

Exchange database fails with serious I/O error

Running exchange servers there's a slight chance that the database growth results in a state where the filesystem cannot allocate anymore segments. Let's fix this.

Daniel Nachtrub
Daniel Nachtrub
Windows
Upgrading kernel on Ubuntu (20.04) LTS

Upgrading kernel on Ubuntu (20.04) LTS

Upgrading kernels on LTS releases of ubuntu can easily be done by enabling an LTS enablement stack. This guide will show how and what to consider.

Daniel Nachtrub
Daniel Nachtrub
Linux
Upgrading ceph - migrating from docker hub

Upgrading ceph - migrating from docker hub

Many vendors are moving container registries away from docker hub. One of them is ceph. This means: Recent container images are no longer published via docker hub and will prevent you from upgrading using cephadm if your installation is still pointing to docker hub. Issue: failed to pull target imageTrying

Daniel Nachtrub
Daniel Nachtrub