What's magic about /tmp/? ntpd can't find UNIX socket

[Hal Murray]

Found it.  systemd sets up separate /tmp for some services.



Features/ServicesPrivateTmp
  https://fedoraproject.org/wiki/Features/ServicesPrivateTmp

Run some services started by systemd with a private /tmp directory. This would 
mitigate the chance of a service making a mistake with how it handles its /tmp 
data allowing a user on the system to get a privilege escalation, since users 
would not have access to the services /tmp directory.

Poking around finds these:
/var/tmp/systemd-private-2c3b3b4c2ab247d6818605b23cd9d8a8-ntpd.service-oWq0lA/t
mp
/tmp/systemd-private-2c3b3b4c2ab247d6818605b23cd9d8a8-ntpd.service-2VABCf/tmp

Both are empty.


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