Automating Efficient VM Backups with Ansible, virtnbdbackup, and Borg

I always wanted a simple and flexible way to back up my KVM virtual machines. In the past, I relied on custom scripts using rsync to copy disk images to a backup location. It worked – but with some annoying downsides: downtime during backup, large backup sizes, and manual effort. At some point, I switched to Proxmox because of its sleek backup system – fast, reliable, and easy to manage. But things changed, and I went back to vanilla KVM setups.

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August 7, 2025

Provision TLS certificates using Step-CA and Cert-Manager in Kubernetes

howto implement a certificate authority with step-ca to generate selfsigned certificates for cert-mangers acme in kubernetes

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February 4, 2025