#Linux

BTRFS + Timeshift: express rollback after a broken update

Arch Linux rolling release can break. With BTRFS and Timeshift, you can roll back in minutes. Here is how to automate snapshots and restore your system.

Recovering a Ceph cluster in Proxmox without a backup

A big scare turned victory: how I recovered a Ceph cluster in Proxmox with no config backup after 6 years running it.

Upgrading Proxmox Backup Server 3 to version 4

Procedure for upgrading Proxmox Backup Server 3 to version 4 based on Debian Trixie, using the pbs3to4 command and the recommended preparation steps.

Upgrade Proxmox 8 to version 9

Guide to upgrading Proxmox VE 8 to version 9 (August 2025): best practices, backups, reading the changelogs, and post-upgrade checks.

Proxmox, OpenTofu and Talos, Kubernetes as code

Building a complete Kubernetes infrastructure as code on Proxmox with OpenTofu and Talos, fully automated and repeatable.

Deploy Multiple VMs with Terraform or OpenTofu on Proxmox

Deploying several VMs at once on Proxmox with Terraform or OpenTofu: a comparison of the available methods for scaling your infrastructure.

Reboot your Proxmox servers without breaking Ceph

A quick note that will save you from damage and data loss in your Proxmox clusters running Ceph.

Use Terraform or OpenTofu to create a VM in Proxmox

Creating virtual machines in Proxmox with Terraform or OpenTofu, relying on official cloud images for a lightweight Infrastructure as Code approach.

Create Proxmox LXC containers with Terraform/OpenTofu

Proxmox, system update impossible

Your Proxmox server won't update because of a conflicting package? The solution is at the bottom of this page...