Re: [aclug-L] shell script

[Cheez-Czar <cabrubak@xxxxxxxxxxx>]

set it up as a cron . (which is really easy do a man on cron, and crontab
) that way you can set it up to check at certain intervals, wihout it
running the whole time.


On Fri, 20 Nov 1998, Jesse Kaufman wrote:

> Bob Deep wrote:
> 
> > Jesse Kaufman wrote:
> > >
> > > is there some sort of shell script that can do the following for me?
> > >
> > > 1.) run ping <arbitrary webpage> (i usually just do yahoo)
> > > 2.) if it connects no problems, just exit, doing nothing...
> > > 3.) if it is down send an e-mail to a predefined list of people (my
> > > netadmins)
> > >     with the subject line "quadnet's down AGAIN..."
> > >
> > > the LAN i am on is up and down all the time, and unfortunately all
> > > network administers for it are not accessing inet via this LAN, so they
> > > only know it's down when they manually check (this server is, of course,
> > > windoze).
> >
> > I don't know much about send mail, but you can write a script that does
> > what you want very easily...
> >
> > Set up a loop, that loops for ever in the scripting language of
> > choice...
> >
> > Inside that loop you do the following...
> >
> > sleep for some length of time (say, 2 min or so)
> >
> > ping some host once "ping -c 1 "
> >
> > Check the return code of the ping...
> > 0=Success, your network is alive
> > else... Send your mail message
> >
> > Start the loop over...
> >
> > I can help you with bash, csh, ksh, perl or even C and C++ versions of
> > this script if you have trouble with how to get it working..
> 
> oh, and i just want a script that i manually run...  i don't really care
> about having some process running in the background checking all the time...
> sometimes, it goes down for 2 secs, but is back up, and i don't want it to
> send an e-mail then (although i should, so they get this LAN working
> right!)...  just a manually run script would be fine with me...  tho', what
> do you think would be better?
> 
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> 
> 
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+-----------------------------------------------------+
| The Cheez-Czar  http://www.hackboy.com/~cabrubak    |
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I don't suffer from insanity, I enjoy every minute of it.
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