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Full Discussion: Script to check running processes on remote server.
Top Forums Shell Programming and Scripting Script to check running processes on remote server. Post 302091691 by Terrible on Wednesday 4th of October 2006 03:19:50 PM
Old 10-04-2006
Quote:
Originally Posted by amitsayshii
Hi,

I am trying to write a script, which queries a db to get the names of processes, stores it in a file and then checks if that process is running on a remote server. However I am not getting it right, could anyone help me out.


#!/bin/sh
echo "select Address from Device where Cust = '3-136VFF' and State = -2" | mysql Pen | grep -v Address > ./ge1
cat ./ge1 | \
while read line
do
a = ""
a = $(`rsh ontrack 'ps -ef | grep -v grep | grep $line' | awk '{print $2}'`)
if[$a -eq ""]; then
echo "process for $line not running";
done


Thanks,
Amit
i dont know. others may disagree with this but to me its always a very good idea to specify the path to any file/script that your script is going to be running or working on. cat ./gel can cause potential unnecessary headaches.

cat /path/to/file/gel is always better than cat ./gel
Terrible
 

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LEARN ABOUT POSIX

pidof

PIDOF(8)						Linux System Administrator's Manual						  PIDOF(8)

NAME

       pidof -- find the process ID of a running program.

SYNOPSIS

       pidof [-s] [-c] [-n] [-x] [-o omitpid[,omitpid..]]  [-o omitpid[,omitpid..]..]  program [program..]

DESCRIPTION

       Pidof  finds  the  process  id's (pids) of the named programs. It prints those id's on the standard output. This program is on some systems
       used in run-level change scripts, especially when the system has a System-V like rc structure. In that case these scripts  are  located	in
       /etc/rc?.d, where ? is the runlevel. If the system has a start-stop-daemon (8) program that should be used instead.

OPTIONS

       -s     Single shot - this instructs the program to only return one pid.

       -c     Only  return  process ids that are running with the same root directory.	This option is ignored for non-root users, as they will be
	      unable to check the current root directory of processes they do not own.

       -n     Avoid stat(2) system function call on all binaries which are located on network based file systems like NFS.  Instead of using  this
	      option the the variable PIDOF_NETFS may be set and exported.

       -x     Scripts too - this causes the program to also return process id's of shells running the named scripts.

       -o omitpid
	      Tells  pidof  to omit processes with that process id. The special pid %PPID can be used to name the parent process of the pidof pro-
	      gram, in other words the calling shell or shell script.

EXIT STATUS

       0      At least one program was found with the requested name.

       1      No program was found with the requested name.

NOTES

       pidof is actually the same program as killall5; the program behaves according to the name under which it is called.

       When pidof is invoked with a full pathname to the program it should find the pid of, it is reasonably safe. Otherwise it is  possible  that
       it  returns  pids  of  running programs that happen to have the same name as the program you're after but are actually other programs. Note
       that that the executable name of running processes is calculated with readlink(2), so symbolic links to executables will also match.

SEE ALSO

       shutdown(8), init(8), halt(8), reboot(8), killall5(8)

AUTHOR

       Miquel van Smoorenburg, miquels@cistron.nl

								    01 Sep 1998 							  PIDOF(8)
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