When trying to setup a meteor up node on proxmox CT the console will give out this error.
failed to register layer: ApplyLayer exit status 1 stdout: stderr: permission denied
This is because a container is being created within a container.
The soluton is to create a VM instead of a CT.
See: https://forum.proxmox.com/threads/proxmox-lxc-docker-pull-issues.29781/