jenkinsci/jenkins — pull request #503 by timp21337 (2012-06-19 16:54:48+00:00)
Title: Passive agressive messaging

A new install of Debian 10.0.4 installed Jenkins but it would not start.
This was because daemon was not installed.

Arguably daemon is a dependency so should be installed by the deb,
but silent exit 0 is not OK. Now gives message.