Ubuntu

# Ubuntu 20.10 and newer
sudo apt-get update
sudo apt-get -y install podman

Run containers using systemctl as user even when user is logged out

loginctl enable-linger user
# Move to user systemd dir
cd ~/.config/systemd/user/
# Generate systemd files for container
podman generate systemd --restart-policy=always -t 1 --name container_name --files
systemctl --user enable container-container_name.service