in-place upgrade

I decided to upgrade to PVE 9 and have made a mistake along the way. My boot disk is running ZFS so the host is using systemd-boot and proxmox-boot-tool. I did not remove systemd-boot before the upgrade so after upgrading I am on PVE 9.2.3 with kernel 7.0.6-2-pve. I have rebooted since...

Hello all, I saw this post back when it was version 4.x (https://pve.proxmox.com/wiki/Upgrade_a_4.x_Installation_using_a_newer_ISO_image) and I followed the steps but in the end I get the CDROM cannot be used in apt-get, to instead use apt-cdrom (which I used previously in the steps). I'm...