How to put boot into interactive mode

[Kevin Fenzi]

On Thu, 17 Apr 2014 11:12:15 -0400
Matthew Miller <mattdm at fedoraproject.org> wrote:

> On Wed, Apr 16, 2014 at 10:24:36PM -0400, Robert Moskowitz wrote:
> > Long ago I knew a way to get the boot process to require a keystroke
> > at each step.  This was important when you were trying to read the
> > screen to figure out what is happening, typically wrong.
> > But long ago I lost my notes on this, and I believe i need before my
> > next reboot.
> > Can someone point me to howto do this?   My search foo is weak....
> 
> Unfortunately, you can't do this anymore. The old boot process was
> sequential, so it was possible to step through each item. With
> systemd, boot happens in parallel, and there's no way to make it
> interactive and approve each item.
> 
> I've always thought it'd be nice if systemd had a mode where it would
> flatten all dependencies and step through sequentially, but this is
> easier said than done because the dependencies can be fairly complex.

Well, there is booting with: 

systemd.confirm_spawn=true

not sure it fully does what you want, but it asks you for each thing
it's going to spawn if you want to do it or not or skip. 

kevin
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