I want to add presets/user/ later. This mirrors the layout for units:
we have units/ and units/user. The advantage is that we avoid having yet
another directory at the top level.
This makes this target the same as remote-fs.target in this regard. In practice
it probably doesn't make that much difference, because all encrypted devices
that are part of remote-fs.target (marked with _netdev) will be used for mount
points, so they will be pulled in anyway individually, but with this change any
such device will be configured, even if it is not pulled by any other unit.
In 58a6dd1558 s-n-wait-online.service was added
to presets to synchronize the presets with the state after installation. But it
is harmful to have s-n-wait-online.service enabled when s-n.service is
disabled, because s-n-wait-online.service has Requsite=s-n.service and cannot
be activated. Thus remove s-n-wait-online.service from presets again, and let
it be enabled whenever s-n.service is enabled.
During installation we create enablement symlinks by hand, and since s-n.service
is enabled, s-n-w-o.service should be enabled too, so the symlink should still
be created during installation.
https://bugzilla.redhat.com/show_bug.cgi?id=1433459#c15
console-shell.service was supposed to be useful for normal clean boots
(i.e. multi-user.target or so), as a replacement for logind/getty@.service for
simpler use cases.
But due to the lack of documentation and sanity check one can easily be
confused and enable this service in // with getty@.service.
In this case we end up with both services sharing the same tty which ends up in
strange results.
Even worse, console-shell.service might be failing while getty@.service tries
to acquire the terminal which ends up in the system to poweroff since
console-shell.service uses:
"ExecStopPost=-/usr/bin/systemctl poweroff".
Another issue: this service doesn't work well if plymouth is also used since it
lets the splash screen program run and mess the tty (at least a "plymouth quit"
is missing).
So let's kill it for now.
Enable reboot.target and disable exit.target: the first is used on normal
machines, the second only in containers, and the more general one
should be enabled by default.
Also fix the Makefile to match what preset-all does.
With this and the previous commits, doing "make instal DESTDIR=…" followed
by "systemctl preset-all --root=…" doesn't result in any changes.
The preset for systemd-networkd-wait-online.service should match
whatever we do for systemd-networkd.service. s-n-wait-online.service
is only pulled in when some other unit pulls in network-online.target,
otherwise it's not used. But if something pulls in network-online.target,
they should expect s-n-wait-online.service to be active iff
systemd-networkd.service is active.
OTOH, the journal-remote and journal-upload services should be disabled
by default, since they don't do anything without additional configuration.
This is useful so that distros have something to base their own policy
of. It also useful to make sure that minimal installs always get useful
configuration in place.
Zbigniew Jędrzejewski-Szmek