[Tutor] Python and boot sequences

[Alan Gauld]

On 28/06/12 13:54, Dave Wilder wrote:

> Can a Python script be written that has the ability to stop a Linux
> device in the middle of a boot when a certain sequence occurs and then
> perform an action?

It depends...

> For example, when I boot my switch (w/ Linux OS 2.7.3), I want to stop
> the boot when I see a series of asterisks.  When I see this, I need to
> hit the <ESC><SHIFT><9>

Could you do it with a bash script? If so you could do it with Python.
But I've no idea whether your switch will be in a state to run user 
processes at that point in its boot sequence. If you don't have a
shell environment its going to be a whole lot harder.

> doing a PXE boot,

???

-- 
Alan G
Author of the Learn to Program web site
http://www.alan-g.me.uk/