在synology的nas裝好 pbs後

要更新出現以下的錯誤

Err:4 http://download.proxmox.com/debian/pbs bullseye InRelease

  The following signatures couldn't be verified because the public key is not available: NO_PUBKEY DD4BA3917E23BF59

Reading package lists... Done

W: GPG error: http://download.proxmox.com/debian/pbs bullseye InRelease: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY DD4BA3917E23BF59

E: The repository 'http://download.proxmox.com/debian/pbs bullseye 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.

應該是GPG key 沒有裝

以下指令安裝

wget https://enterprise.proxmox.com/debian/proxmox-release-bullseye.gpg -O /etc/apt/trusted.gpg.d/proxmox-release-bullseye.gpg 

再update就沒問題了

https://pve.proxmox.com/wiki/Install_Proxmox_VE_on_Debian_11_Bullseye#Install_Proxmox_VE