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Full Discussion: script to monitor process running on server and posting a mail if any process is dead
Top Forums Shell Programming and Scripting script to monitor process running on server and posting a mail if any process is dead Post 77668 by matrixmadhan on Tuesday 12th of July 2005 03:49:55 AM
Old 07-12-2005
hi,

the script that u had posted

#!/bin/ksh
pid=""
pid='ps -ef | grep "<process string>" | awk ' {print $2}''
echo $pid
if [ "$pid"="" ]
then
echo "process not running"
rsh <mail server> mailx -s "<etc etc process not running>" <mail.id>
else
echo service is ok
pid=""
fi


will always return a pid since grep is a process, ( u will not receive process not running message even though the actual process isnt running) need to trip off the process grep when checking for other process pids and what if the other user has the same process, u would end up with pids that are not under your control.

you can try this,
ps -ef | grep <user> | grep -v grep | grep <process string> | awk '{print $2}'
 

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LEARN ABOUT X11R4

zgrep

ZGREP(1)                                                      General Commands Manual                                                     ZGREP(1)

NAME

       zgrep - search possibly compressed files for a regular expression

SYNOPSIS

       zgrep [ grep_options ] [ -e ] pattern filename...

DESCRIPTION

       Zgrep  invokes  grep  on  compressed  or  gzipped  files.   These  grep  options  will  cause  zgrep  to  terminate  with  an  error  code:
       (-[drRzZ]|--di*|--exc*|--inc*|--rec*|--nu*).  All other options specified are passed directly to grep.  If no file is specified,  then  the
       standard input is decompressed if necessary and fed to grep.  Otherwise the given files are uncompressed if necessary and fed to grep.

       If the GREP environment variable is set, zgrep uses it as the grep program to be invoked.

EXIT CODE

       2 - An option that is not supported was specified.

AUTHOR

       Charles Levert (charles@comm.polymtl.ca)

SEE ALSO

       grep(1), gzexe(1), gzip(1), zdiff(1), zforce(1), zmore(1), znew(1)

                                                                                                                                          ZGREP(1)
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