René Welches

TECH NOTES TO MYSELF

Running Debian 13 in UTM on Apple Silicon

Native ARM64 virtualization with a Debian netinstall ISO — no emulation required

Step-by-step guide to creating a Debian 13 (Trixie) ARM64 virtual machine in UTM on an Apple Silicon Mac using the Virtualize mode for near-native performance.

Posted by Rene Welches on Thursday, February 19, 2026

Using Vagrant with QEMU on macOS - or not

Lightweight VM provisioning on Apple Silicon with cloud-init support

Learn how to set up Vagrant with QEMU on macOS using Homebrew. Explore two provisioning approaches: shell scripts and cloud-init, along with the advantages and limitations of this setup.

Posted by Rene Welches on Thursday, January 29, 2026

Creating a Debian Cloud Image Template for Proxmox

Build reusable VM templates with cloud-init support

Step-by-step guide to creating a Debian generic cloud image template in Proxmox. Learn how to download, configure, and convert cloud images into reusable VM templates with cloud-init support.

Posted by Rene Welches on Friday, January 23, 2026
Last Modified on Tuesday, February 17, 2026