I've been fighting with gnome-keyring, ssh-agent, gpg and my yubikey to use a GPG authentication subkey for SSH authentication, but never managed to get that working reliably. Both the gpg-ssh-agent and gnome-keyring refused to pick up the authentication subkey, which meant that ssh -l kept reporing The agent has no …

This post explains how I control our home's central ventilation system through Home Assistant, a Raspberry Pi and a relay board. Simple, cheap and effective - without soldering.

Our house has a 'Renovent Excellent' central ventilation system with a heat recovery system. It has a control switch in the kitchen with …