It worked, thanks a lot! Alarig On mar. 18 févr. 14:59:23 2020, Daniel Suchy wrote:

try this: $ apt-key adv --keyserver ha.pool.sks-keyservers.net --recv-keys B188E2B695BD4743

More informations are here - https://www.patreon.com/posts/dpa-new-signing-25451165

- Daniel

On 2/18/20 1:12 PM, Alarig Le Lay wrote:

...

Hi,

I followed the instructions from https://bird.network.cz/?download&tdir=debian/ however the GPG isn’t recognised.

root@hv03:~# curl -s https://bird.network.cz/debian/apt.key | apt-key add - OK root@hv03:~# cat /etc/apt/sources.list.d/bird.list deb https://bird.network.cz/debian/ buster main root@hv03:~# apt update Hit:1 http://mirror.grifon.fr/debian buster InRelease Hit:2 http://mirror.grifon.fr/debian buster-updates InRelease Get:3 https://bird.network.cz/debian buster InRelease [4037 B] Hit:4 http://mirror.grifon.fr/debian-security buster/updates InRelease Hit:5 http://download.proxmox.com/debian/pve buster InRelease Err:3 https://bird.network.cz/debian buster InRelease The following signatures couldn't be verified because the public key is not available: NO_PUBKEY B188E2B695BD4743 Reading package lists... Done W: GPG error: https://bird.network.cz/debian buster InRelease: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY B188E2B695BD4743 E: The repository 'https://bird.network.cz/debian buster InRelease' is not signed. N: Updating from such a repository can't be done securely, and is therefore disabled by default. N: See apt-secure(8) manpage for repository creation and user configuration details.

Did you changed you key?