Linux – Null Byte

Free Portainer Business at home – Using docker with more features in homelab!

By Antti Hurme 12/03/2023 2 Comments 2 Min Read

I’ve started using docker as probably a lot of you, with just a Debian or Ubuntu server with the necessary binaries to get containers running. At one point, I discovered Portainer which made container management in a homelab environment a lot easier. I though about using Kubernetes, Rancher and other options like Tanzu. But they are all quite high maintenance to run a few containers at your home. If your…

[Z3005] Zabbix PostgreSQL database upgrade failed

Zabbix

By Antti Hurme 07/03/2023 No Comments 1 Min Read

When upgrading your Zabbix Database, you might encounter the following error “[Z3005] query failed: [0] PGRES_FATAL_ERROR:ERROR: permission denied for schema public”. The zabbix user you’ve created doesn’t normally need access to the database schema to work, so this would only be relevant when upgrading the zabbix version, for example between 6.2.x to 6.4.0. To fix the error, you need to give the zabbix database user access to modify the public…

Backup PostgreSQL Database to Backblaze B2 object storage

Homelab Linux

By Antti Hurme 01/03/2023 No Comments 2 Min Read

I have a VM in an external datacenter, and I needed to backup my PostgreSQL database somewhere else. I use Backblaze as a Veeam B&R repository, so I decided to create a new bucket there for my database dumps. The below script can easily be modified for MySQL/MariaDB as well, if needed. The script has a few requirements that you need to meet for it to work: This is a…

Dell Poweredge R730xd with Asus Hyper NVMe Adapter Part2: VMware and Minio

Homelab Linux VMware

By Antti Hurme 26/02/2023 1 Comment 7 Min Read

In the previous post I went through how to configure NVMe adapters in PCIe slots to bifurcation, to enable them to be used as individual drives in your virtualization host of choice. In this post, I’ll go through how to enable the drives as pass-through in VMware to use them as Minio disk storage. If you want, you can do the same with Truenas to create a ZFS disk. Dell…