External Monitoring with Zabbix
How I set up an external monitoring system with Zabbix to be alerted even if my Proxmox cluster goes down completely, using a local proxy, a remote VPS server, and a PSK encrypted connection.

How I set up an external monitoring system with Zabbix to be alerted even if my Proxmox cluster goes down completely, using a local proxy, a remote VPS server, and a PSK encrypted connection.

How to migrate a VM to a smaller disk while preserving all data using Clonezilla, to optimize Linstor DRBD storage usage in a Proxmox cluster.
After choosing LINSTOR DRBD as the distributed storage solution for my Proxmox HA cluster, it was time to move on to deployment automation with OpenTofu (open-source fork of Terraform). Spoiler: it didn't go as planned.
When setting up my high-availability Proxmox cluster, choosing the right distributed storage technology turned out to be a crucial decision. This article presents my analysis approach and the final choice of Linstor DRBD.