I ran into an issue where smokeping wasn’t starting on boot on my fedora 24 systems. Checking the output of:
systemctl status smokeping
Showed me that dns requests were failing and smokeping terminated. So here’s how I fixed it.
Go into /usr/lib/systemd/system/smokeping.service and change the following line:
I’ve opened a bug, so the maintainer should have this pushed out shortly. If you want to read more about the difference between network.target and network-online.target (and why you should or should not use either), there’s a great explanation on freedesktop.org.