[systemd-devel] minimal required units

[Andrei Borzenkov]

В Thu, 12 Mar 2015 09:42:25 -0700
Aaron_Wright at selinc.com пишет:

> Peter Sztan <sztanpet at gmail.com> wrote on 03/12/2015 09:33:38 AM:
> 
> > From: Peter Sztan <sztanpet at gmail.com>
> > To: Aaron_Wright at selinc.com
> > Cc: systemd Mailing List <systemd-devel at lists.freedesktop.org>
> > Date: 03/12/2015 09:33 AM
> > Subject: Re: [systemd-devel] minimal required units
> > 
> > Sorry for the noise, I have now read that you have already seen it.
> > 
> 
> Just for illustration purposes, here are few units listed in 
> systemd.special, that I don't feel like I need, but which I'm left 
> wondering if systemd needs them:
> 
> cryptsetup.target
> display-manager.service
> getty.target
> graphical.target
> hibernate.target
> hybrid-sleep.target
> halt.target
> initrd-fs.target
> kbrequest.target
> multi-user.target
> network-online.target
> poweroff.target
> remote-fs.target
> initrd-root-fs.target
> runlevel*.target
> sigpwr.target
> sleep.target
> suspend.target
> swap.target
> 

targets serve as common reference for collection of other units
(services). They do not do anything by themselves, there is absolutely
no reason to remove them. Some of them (at least those mentioned in
systemd.special) do have special meaning and removing them will
actually break functionality.