Error when attempting to update to latest release on Ubuntu relay node - please help

[fabrice]

I guess this is because the public key of Algorand got updated some time ago:

GPG key Renewal

FYI for anyone using apt, we recently renewed our gpg keys (around Nov 19, 2021), so please find our new public key here: https://releases.algorand.com/key.pub curl -O https://releases.algorand.com/key.pub sudo apt-key add key.pub