Docker

Ollama fails to utilize GPU after driver update (NVIDIA) Members Public

Ollama can't make use of NVIDIA GPUs when using latest drivers - fix is easy: Downgrade and wait for the next release. :-)

Daniel Nachtrub
Daniel Nachtrub
AI

postgres - database has no actual collation version, but a version was recorded Members Public

Upgrading a major postgres version using containers with different C libraries caused me some headaches because I go an error "database has no actual collation version, but a version was recorded" - and I did not fix it. At least I can give a hint on why it happend and how you could avoid it.

Daniel Nachtrub
Daniel Nachtrub
Container

postgres - upgrading postgres with timescaledb running in a container Members Public

Uprading postgres with timescaledb caused me some issues related to the collation. After some retries I've found a reliable way to doing the upgrade. This post describes the steps to be done.

Daniel Nachtrub
Daniel Nachtrub
Database

Why you should use rook ceph on kubernetes (onprem) Members Public

If you run kubernetes on your own, you need to provide a storage solution with it. We are using ceph (operated through rook). This article gives some short overview about it's benefits and some pro's and con's of it.

Daniel Nachtrub
Daniel Nachtrub
Cloud

Migrating zabbix from mysql to timescaledb - migration Members Public

This series describes how to migrate a mysql database to timescaledb - use case is to migrate a zabbix application database. This part handles the migration and switchover of the server environment up to completion of the migration.

Daniel Nachtrub
Daniel Nachtrub
Database

Rocketchat fails after upgrade with index error Members Public

Upgrading rocketchat to version 5.0 resulted in some minor issues that prevented the system from starting - both are related to the database and can easily be fixed.

Daniel Nachtrub
Daniel Nachtrub
Container

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

Migrating zabbix from mysql to timescaledb - setting up environment Members Public

This series covers migrating a zabbix database from mysql to timescaledb. In this post we're preparing the databases for the migration.

Daniel Nachtrub
Daniel Nachtrub
Container