[SOLVED] apt gpg key still failing for non-subscription repository


New Member
Nov 10, 2020
I saw that there was a similar thread on the forum a few months ago, and it was unclear if it was ever resolved. I'm new to proxmox and would like to evaluate it but it's not very confidence-inspiring to have such infrastructure problems with bad certificates. I've managed to manually download the gpg file at http://download.proxmox.com/debian/proxmox-ve-release-6.x.gpg and the sha512sum does match, and I can perform apt-key add, but when I then attempt either apt update or apt-get update, the process errors due to certificate verification failure (could not handshake The gpg file is dated 23-may-2019.
you probably configured a wrong repository? without subscription, the correct one (for PVE) is

deb http://ftp.debian.org/debian buster main contrib
deb http://ftp.debian.org/debian buster-updates main contrib

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

# security updates
deb http://security.debian.org/debian-security buster/updates main contrib
may you post full output of apt update command?
Here's the output, in two parts. First STDOUT:
Hit:1 http://security.debian.org buster/updates InRelease
Hit:2 http://ftp.us.debian.org/debian buster InRelease
Hit:3 http://ftp.us.debian.org/debian buster-updates InRelease
Ign:4 https://download.proxmox.com/debian/pve buster InRelease
Err:5 https://download.proxmox.com/debian/pve buster Release
  Certificate verification failed: The certificate is NOT trusted. The name in the certificate does not match the expected.  Could not handshake: Error in the certificate verification. [IP: 443]
Reading package lists...
And here's STDERR:
E: The repository 'https://download.proxmox.com/debian/pve buster Release' does not have a Release file.
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.
And here's the relevant line in my apt sources.list
  deb https://download.proxmox.com/debian/pve buster pve-no-subscription


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