Puma as a service Upstart See /tools/jungle/upstart for Ubuntu's upstart scripts. Systemd See /docs/systemd. Init.d Deprecatation Warning : init.d was replaced by systemd since Debian 8 and Ubuntu 16.04, you should look into /docs/systemd unless you are on an older OS. See /tools/jungle/init.d for tools to use with init.d and start-stop-daemon. rc.d See /tools/jungle/rc.d for FreeBSD's rc.d script