Luca Boccassi
6ef721cbc7
Enabling these options when not running as root requires a user namespace, so implicitly enable PrivateUsers=. This has a side effect as it changes which users are visible to the unit. However until now these options did not work at all for user units, and in practice just a handful of user units in Fedora, Debian and Ubuntu mistakenly used them (and they have been all fixed since). This fixes the long-standing confusing issue that the user and system units take the same options but the behaviour is wildly (and sometimes silently) different depending on which is which, with user units requiring manually specifiying PrivateUsers= in order for sandboxing options to actually work and not be silently ignored.
System and Service Manager
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