Proxmox ohne Subscription
Free-Repository aktivieren und Enterprise-Repository deaktivieren:
sudo mv /etc/apt/sources.list.d/pve-enterprise.list /etc/apt/pve-enterprise.list
echo deb http://download.proxmox.com/debian stretch pve-no-subscription > /etc/apt/sources.list.d/pve-no-subscription.list
No-Subscription-Hinweis in der Weboberfläche deaktivieren:
sudo sed -i.bak 's/\/nodes\/localhost\/subscription/\/version/g' /usr/share/javascript/proxmox-widget-toolkit/proxmoxlib.js