In Ubuntu15.04 Lane，Since Debian changes，Upstart systemd to also replace the。
Reflected /lib/init/upstart-job does not exist。
but，upstart-job you want to retrieve the familiar is not so difficult thing。
Use the command sudo apt-get install upstart-sysv Can be installed upstart，systemd will automatically be replaced。
Once systemd is replaced upstart，You will need to use sudo update-initramfs -in To refresh the system，of course，Restart is inevitable，After you reboot, etc.，Familiar with the upstart on it full of blood resurrection!
Reproduced Please keep the source and description link：https://www.logcg.com/archives/1345.html