root@proxmox:~# apt clean
root@proxmox:~# apt-get update
Get:1 http://ftp.debian.org/debian buster InRelease [122 kB]
Get:2 http://security.debian.org/debian-security buster/updates InRelease [65.4 kB]
Get:3 http://security.debian.org/debian-security buster/updates/main amd64 Packages [224 kB]
Get:4 http://download.proxmox.com/debian/pve buster InRelease [3,051 B]
Get:5 http://ftp.debian.org/debian buster-updates InRelease [51.9 kB]
Get:6 http://download.proxmox.com/debian/pve stretch InRelease [3,052 B]
Get:7 http://ftp.debian.org/debian buster/main amd64 Packages [7,906 kB]
Get:8 http://download.proxmox.com/debian/pve buster/pve-no-subscription amd64 Packages [273 kB]
Get:9 http://security.debian.org/debian-security buster/updates/main Translation-en [122 kB]
Err:10 https://enterprise.proxmox.com/debian/pve buster InRelease
401 Unauthorized [IP: 212.224.123.70 443]
Err:6 http://download.proxmox.com/debian/pve stretch InRelease
The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 0D9A1950E2EF0603
Get:11 http://ftp.debian.org/debian buster/main Translation-en [5,968 kB]
Get:12 http://ftp.debian.org/debian buster/contrib amd64 Packages [50.5 kB]
Get:13 http://ftp.debian.org/debian buster/contrib Translation-en [44.5 kB]
Get:14 http://ftp.debian.org/debian buster-updates/main amd64 Packages [7,868 B]
Get:15 http://ftp.debian.org/debian buster-updates/main Translation-en [5,672 B]
Reading package lists... Done
W: Target Packages (pve-no-subscription/binary-amd64/Packages) is configured multiple times in /etc/apt/sources.list:6 and /etc/apt/sources.list.d/pve-install-repo.list:1
W: Target Packages (pve-no-subscription/binary-all/Packages) is configured multiple times in /etc/apt/sources.list:6 and /etc/apt/sources.list.d/pve-install-repo.list:1
W: Target Translations (pve-no-subscription/i18n/Translation-en_US) is configured multiple times in /etc/apt/sources.list:6 and /etc/apt/sources.list.d/pve-install-repo.list:1
W: Target Translations (pve-no-subscription/i18n/Translation-en) is configured multiple times in /etc/apt/sources.list:6 and /etc/apt/sources.list.d/pve-install-repo.list:1
E: Failed to fetch https://enterprise.proxmox.com/debian/pve/dists/buster/InRelease 401 Unauthorized [IP: 212.224.123.70 443]
E: The repository 'https://enterprise.proxmox.com/debian/pve 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.
W: GPG error: http://download.proxmox.com/debian/pve stretch InRelease: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 0D9A1950E2EF0603
E: The repository 'http://download.proxmox.com/debian/pve stretch 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.
W: Target Packages (pve-no-subscription/binary-amd64/Packages) is configured multiple times in /etc/apt/sources.list:6 and /etc/apt/sources.list.d/pve-install-repo.list:1
W: Target Packages (pve-no-subscription/binary-all/Packages) is configured multiple times in /etc/apt/sources.list:6 and /etc/apt/sources.list.d/pve-install-repo.list:1
W: Target Translations (pve-no-subscription/i18n/Translation-en_US) is configured multiple times in /etc/apt/sources.list:6 and /etc/apt/sources.list.d/pve-install-repo.list:1
W: Target Translations (pve-no-subscription/i18n/Translation-en) is configured multiple times in /etc/apt/sources.list:6 and /etc/apt/sources.list.d/pve-install-repo.list:1
root@proxmox:~# apt clean
root@proxmox:~# apt-get update
Get:1 http://security.debian.org/debian-security buster/updates InRelease [65.4 kB]
Get:2 http://ftp.debian.org/debian buster InRelease [122 kB]
Get:3 http://download.proxmox.com/debian/pve buster InRelease [3,051 B]
Get:4 http://security.debian.org/debian-security buster/updates/main amd64 Packages [224 kB]
Get:5 http://download.proxmox.com/debian/pve stretch InRelease [3,052 B]
Get:6 http://ftp.debian.org/debian buster-updates InRelease [51.9 kB]
Err:3 http://download.proxmox.com/debian/pve buster InRelease
The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 7BF2812E8A6E88E0
Err:7 https://enterprise.proxmox.com/debian/pve buster InRelease
401 Unauthorized [IP: 212.224.123.70 443]
Err:5 http://download.proxmox.com/debian/pve stretch InRelease
The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 0D9A1950E2EF0603
Get:8 http://ftp.debian.org/debian buster/main amd64 Packages [7,906 kB]
Get:9 http://security.debian.org/debian-security buster/updates/main Translation-en [122 kB]
Get:10 http://ftp.debian.org/debian buster/main Translation-en [5,968 kB]
Get:11 http://ftp.debian.org/debian buster/contrib amd64 Packages [50.5 kB]