To create a new LXC container on Proxmox and setup Portainer-ce to run inside of it, run the following in a SSH connection or the Proxmox web shell.
bash -c "$(wget -qLO - https://github.com/tteck/proxmox_portainer-ce_lxc/raw/master/create_container.sh)"
There is no login required to access the console from the Proxmox web UI. If you are presented with a blank screen, press CTRL + C
to generate a prompt.