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From: doug@grinch.hcf.jhu.edu (Doug O'Neal)
Newsgroups: comp.sys.sun.admin,alt.sys.sun,comp.unix.bsd.misc,comp.unix.programmer,comp.unix.bsd.bsdi.misc,comp.unix.admin
Subject: Re: ping script
Followup-To: comp.sys.sun.admin,alt.sys.sun,comp.unix.bsd.misc,comp.unix.programmer,comp.unix.bsd.bsdi.misc,comp.unix.admin
Date: 3 Jul 1996 12:23:44 GMT
Organization: Homewood Academic Computing
Lines: 28
Message-ID: <4rdoog$duq@news.jhu.edu>
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Douglass E. Davis (davis@gold.acns.fsu.edu) wrote:
: I am trying to make a script that will ping a computer every few minutes
: and run a program if there is no answer.
: I was thinking about making a C program to do the same thing. it would
: just do a :
: system("ping blazay > datafile ")
: then it would read datafile to see if the ping worked.
: But if some one has a script or C program that could do this I would
: appreciate the source, or if you could just tell me how to do it.
#!/bin/ksh
while true
do
if (/usr/etc/ping -c 5 -q $1 | grep '100% packet loss' >/dev/null)
then
mailx -s "$1 is down" root </dev/null
fi
sleep 300
done
Tested on Irix 5.x, 6.x.
--
Douglas O'Neal, Senior Systems Programmer, Johns Hopkins University
Doug.ONeal@jhu.edu, doug@jhuvms.bitnet, mimsy!jhunix!doug
"Unix is user-friendly, its just picky about who it's friends with."