apt-update error no_pubkey

[Blisk]

I am trying to update my proxmox server but can't I always get this error below.

in my etc/apt/sources.list is this
deb http://ftp.debian.org/debian bookworm main contrib
deb http://ftp.debian.org/debian bookworm-updates main contrib

# Proxmox VE pve-no-subscription repository provided by proxmox.com,
# NOT recommended for production use
deb http://download.proxmox.com/debian/pve bookworm pve-no-subscription

# security updates
deb http://security.debian.org/debian-security bookworm-security main contrib
from here
https://pve.proxmox.com/wiki/Package_Repositories

Linux pve 5.13.19-2-pve #1 SMP PVE 5.13.19-4 (Mon, 29 Nov 2021 12:10:09 +0100) x86_64
root@pve:~# apt-get update
Get:1 http://download.proxmox.com/debian/pve bookworm InRelease [2,768 B]
Hit:2 http://security.debian.org/debian-security bookworm-security InRelease
Hit:3 http://ftp.debian.org/debian bookworm InRelease
Get:4 http://ftp.debian.org/debian bookworm-updates InRelease [55.4 kB]
Err:1 http://download.proxmox.com/debian/pve bookworm InRelease
The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 1140AF8F639E0C39
Reading package lists... Done
W: GPG error: http://download.proxmox.com/debian/pve bookworm InRelease: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 1140AF8F639E0C39
E: The repository 'http://download.proxmox.com/debian/pve bookworm 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.

 

[Hqu]

Hey,

can you try to download the public key directly from Proxmox.
Check this wiki entry out - https://pve.proxmox.com/wiki/Package_Repositories#repos_secure_apt

Tell me then if this fixed your problem.

Best

 

[Blisk]

Hey,

can you try to download the public key directly from Proxmox.
Check this wiki entry out - https://pve.proxmox.com/wiki/Package_Repositories#repos_secure_apt

Tell me then if this fixed your problem.

Best

Yes this solved my problem thank you.
wget https://enterprise.proxmox.com/debian/proxmox-release-bookworm.gpg -O /etc/apt/trusted.gpg.d/proxmox-release-bookworm.gpg