If you chose not to install Docker, make sure to modify the `portainer.container` setting to use Podman: ```ini Volume=/run/podman/podman.sock:/var/run/docker.sock:z ``` Ref: https://github.com/centos-workstation/homeserver/blob/3ccf889f840b9f068df3c7edfd86728e87668324/etc/containers/systemd/portainer.container#L17