[ale] permanent process

[Danny Cox]

On Thu, 2002-04-11 at 07:09, Keith Hopkins wrote:
> David Corbin wrote:
> > I have several processes that I would like to be up "all the time" 
> > (maintenance excluded).  Normally, this screams "inittab" at me, but 
> > given then nature of the process (networking related), I don't want them 
> > spawned right when inittab is processed.  Any suggestions on how to 
> > handle this?
> > 
> > For the record, I'm talking about pppoe (DSL), and vtun(which runs over 
> > the pppoe).  I've had some problems lately with pppoe "disappearing".  I 
> > could easily have a script that monitors and restarts, but is this the 
> > best way?
> 
> A (seperate) watchdog process is good.  or, if you don't mind polling no 
more often than every minute, cron can work too.

	I still like your original idea of inittab, with it's 'respawn'
capability.  You'd have to use a wrapper script that would wait until
the appropriate time to fire off the other processes at init time, or
fire them off immediatly if not.  Init also has the feature of looking
at the frequency of spawns, and if it's too fast, will disable them;
automatically.

-- 
kernel, n.: A part of an operating system that preserves the
medieval traditions of sorcery and black art.

Danny


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