[systemd-devel] Hints for upgrading systemd on a running system

[Lennart Poettering]

On Mi, 21.02.18 08:10, Paul Menzel (pmenzel+systemd-devel at molgen.mpg.de) wrote:

> > Note that PID 1 itself is probably pretty Ok with such a massive
> > update in one step, but the unit files have been rearranged quite a
> > bit since then. Downstream distributions generally expect you to
> > reboot even between single-step distro updates, but this becomes much
> > more of a necessity if you jump even further.
> 
> But if reboot wouldn’t be an option, is there a way to get rid of not-found
> services?

stop them.

How did you upgrade your kernel without rebooting?

Note that there's also stuff such as dbus-daemon which cannot be
updated without rebooting.

Lennart

-- 
Lennart Poettering, Red Hat