full-upgrade fails: tries to uninstall proxmox-ve

[nerdoc]

Hello Proxmox devs & Co,
i have a valid subscription, but am shamingly still using Proxmox v6.4, so I wanted to upgrade it. First full-upgrade, then to 7.x.

I ran into a problem after having accumulated a few updates on 6.x. Proxmox' apt-full-upgrade tells me that it wants to uninstall proxmox-ve:
After installing afew of the upgradable packages manually (and setting them to auto-installed afterwords again) it boils down to some packages that produce the error:

apt-get install python-six  # or python2-minimal, etc.
Reading package lists... Done
Building dependency tree... Done
Reading state information... Done
The following packages were automatically installed and are no longer required:
  bsdmainutils cpp-8 fdisk libbind9-161 libboost-atomic1.67.0 libboost-iostreams1.67.0 libboost-program-options1.67.0
  libboost-regex1.67.0 libboost-system1.67.0 libboost-thread1.67.0 libdns-export1104 libdns1104 libdns1110 libevent-2.1-6
  libgfortran5 libipset11 libirs161 libisc-export1100 libisc1100 libisc1105 libisccc161 libisccfg163 libisl19 libjs-sphinxdoc
  libjs-underscore libjson-c3 liblwres161 libnftables0 libprocps7 libprotobuf17 libpve-cluster-api-perl libpython3.7
  libpython3.7-minimal libpython3.7-stdlib proxmox-archive-keyring proxmox-mini-journalreader pve-kernel-5.4.162-1-pve
  pve-kernel-5.4.189-2-pve pve-kernel-helper pve-lxc-syscalld python3-asn1crypto python3.7 python3.7-minimal usb.ids
Use 'apt autoremove' to remove them.
The following packages will be REMOVED:
  criu libpython-stdlib lxc-pve proxmox-ve pve-container pve-ha-manager pve-manager python python-cephfs python-certifi
  python-chardet python-configparser python-future python-idna python-ipaddr python-minimal python-prettytable python-protobuf
  python-rados python-rbd python-requests python-talloc python-urllib3 qemu-server
The following packages will be upgraded:
  python-six
1 upgraded, 0 newly installed, 24 to remove and 152 not upgraded.
Need to get 0 B/17.4 kB of archives.
After this operation, 27.0 MB disk space will be freed.
Do you want to continue? [Y/n]
W: (pve-apt-hook) !! WARNING !!
W: (pve-apt-hook) You are attempting to remove the meta-package 'proxmox-ve'!
W: (pve-apt-hook)
W: (pve-apt-hook) If you really want to permanently remove 'proxmox-ve' from your system, run the following command
W: (pve-apt-hook)       touch '/please-remove-proxmox-ve'
W: (pve-apt-hook) run apt purge proxmox-ve to remove the meta-package
W: (pve-apt-hook) and repeat your apt invocation.
W: (pve-apt-hook)
W: (pve-apt-hook) If you are unsure why 'proxmox-ve' would be removed, please verify
W: (pve-apt-hook)       - your APT repository settings
W: (pve-apt-hook)       - that you are using 'apt full-upgrade' to upgrade your system
E: Sub-process /usr/share/proxmox-ve/pve-apt-hook returned an error code (1)
E: Failure running script /usr/share/proxmox-ve/pve-apt-hook

I found a few hints across the net, but all similar problems' solutions did not help here. Why does this happen?

 

[B.Otto]

Have you followed the 6.x to 7 guide in the Proxmox Wiki?

https://pve.proxmox.com/wiki/Upgrade_from_6.x_to_7.0

There's a section 'Upgrade wants to remove package 'proxmox-ve'"

 

[nerdoc]

Hm. I do not want to upgrade to v7 yet. I just want to upgrade my 6.4 to the newest packages. And the section there only says that linux-image-amd64 should be removed - but I don't have it installed (I did not install Debian and Proxmox on it. I installed a "genuine" proxmox from the proxmox install stick

I installed all packages now - it boils down to everything related to python and perl. all packages that have names like ...-perl or python-... refuse to get installed/want to deinstall proxmox-ve.

 

[Matthias.]

What's in your apt.sources? i.e. cat /etc/apt/sources.list /etc/apt/sources.list.d/*

 

[nerdoc]

cat /etc/apt/sources.list /etc/apt/sources.list.d/*

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

# security updates
deb http://security.debian.org bullseye-security main contrib
deb https://enterprise.proxmox.com/debian/pve buster pve-enterprise

 

[nerdoc]

OMG. I just saw what I wrote. This is bullseye. So I must have done an upgrade somewhere to Debian 11???

 

[Matthias.]

Exactly
If you change the proxmox repo to bullseye as well, the update should work without issues.

 

[nerdoc]

Thanks, that was the problem. I can't get why I did this. But anyway, after updating the proxmox repo and doing a dist-upgrade && reboot, everything worked flawlessly.

Thank you for this awesome piece of software. Proxmox is really cool.