Upgrade Proxmox 5.4 auf 6.x

Kurzer Check mit:

sudo pve5to6 --full

Dann Upgrade mit:

su
sed -i -e 's/stretch/buster/g' /etc/apt/sources.list.d/pve-install-repo.list 
apt update
apt full-upgrade
apt autoremove
apt clean
reboot

Danach dann noch Alle dpkg Config-File-Replacements (dpgk-dist, dpgk-old, ucf-dist, ucf-old) finden.