Hello iBug,
It's a full VM. So the command to use is:
qm resize <vmid> <disk> <size>
Retreiving the ID:
root@proxmox03:~# cat /etc/pve/.vmlist
{
"version": 135,
"ids": {
"105": { "node": "proxmox03", "type": "qemu", "version": 84 },
"107": { "node": "proxmox03", "type": "qemu", "version"...