SysAdmin

Install Tailscale tsidp in Proxmox

In this guide we’ll walk through setting up Tailscale’s experimental Identity Provider (tsidp) inside a lightweight Debian Proxmox container. We’ll create the container, install Go, build the binary, configure systemd with environment variables, and run tsidp as a dedicated user.

This is a very raw howto, copy paste ready, based on my attempts, target audience is homelaber. Comments welcome !

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Proxmox: Losing network with Intel I-219v

Recently migrated my homelab ESXi to Proxmox VE, and while things mostly went smoothly, one node would randomly hang (mostly during large transfers or under sustained network load but sometimes when idling...).
I plugged in a monitor to check logs and... confirmed the cause with a quick dmesg:

e1000e: Detected Hardware Unit Hang 

Turns out this has been a known issue for years with Intel e1000e NICs (like I217-LM, I219-V, 82574L, etc.). These "aging" chips choke when offload features are enabled under modern workloads.

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Explore Btrfs images on MacOS

While troubleshooting a malfunctioning radar system, I wanted to inspect its firmware for diagnostic tools (couldn't find any). The firmware was stored in a Btrfs image, which isn't straightforward to handle on macOS without spending some quality time with FUSE.

To "extract" its contents, I instead used a Docker container with the necessary tools, because it's quite easy to do on plain linux. Here's how.

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