Script help please

[George Toft]

Miles Beck wrote:
> 
> Hello,
> 
> I am in need of a script to check that apache-ssl is still running (and if
> not, email myself and my partner so we can re-start it) until we can figure
> out why it is crashing.
> 
> Is there something out there already that will do this?
> 
> Or does someone have a script written already that can do the job?
> 
> Thanks,
> 
> -Miles
> 
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Here ya go!

I tested on my own server.  You might want to change the URL, EMAIL, etc
:)  if you have any questions, let me know.

George



#!/bin/bash

# This script monitors a web site ($URL) every $WAIT seconds.  If there
is a 
# failure, an e-mail is sent to everyone in the $EMAIL list.
#
# Requires package lynx with SSL support (lynx-2.8.4 works for me), some
# kind of mail client (mail or mailx), and date.
#
# Exit codes:
#       1 - lynx not found
#       2 - no mail found
#       3 - no date found
#
# Caveats - this only tests connectivity.  If the page is missing, the
server 
# returns a 404 and the test passes.
#         - The screen will display lynx' stderr, which is probably not
a bad thing :)
#
# Written 01/19/03 George Toft


LYNX=`which lynx`
MAIL=`which mail` # change to mailx if that suits you
DATE=`which date`
URL="https://www.georgetoft.com/index.shtml"
EMAIL="6025551212@mobile.att.net spam@georgetoft.com"
WAIT=60


# Sanity check
if [ "$LYNX" = "" ]; then
        echo "I need the lynx package installed, and/or path set to the
lynx binary."
        echo
        exit 1
fi

if [ "$MAIL" = "" ]; then
        echo "I need some mail package installed, and/or path set to the
mail binary."
        echo
        exit 2
fi

if [ "$DATE" = "" ]; then
        echo "I need the date package installed, and/or path set to the
date binary."
        echo
        exit 2
fi


# Main routine 
while [ 1 ]; do
        $LYNX -dump "$URL" > /dev/null
        if [ $? -ne 0 ]; then
                for ADDR in $EMAIL; do
                        echo "`$DATE "+%F %T"` - Error on $URL" | $MAIL
-s "Error on $URL" $ADDR
                done
        fi

        sleep $WAIT
done