wget https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main/tools/pve/post-pve-install.sh
bash post-pve-install.sh

• disable pve-enterprise repository
• disable ceph-enterprise repository
• add no-subscription
• add cept-no-subscription
• DO NOT add pvetest
• disable subscription nag
• disable high availability (HA) service (yes if only proxmox in the network)
• disable corosync (if only proxmox in the network)