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change user through shell script

 
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# 1  
Old 12-12-2005
Data change user through shell script
hi,
my problem is that i am calling a script from my perl program.
the script checks wether a particular process is running or not if the process is not running then it should start the process.
the problem here is that the front end logs into backend with a user which does not have the permission to restart the process.
i tried using SU command it prompts me for the password. expect is not installed so was not able to use it. i even tried setting the SUID bit of the script and running the script as
su - user -c "/path/test.sh
here it starts asking for the roots password
the script is:

#!/bin/sh
var1=`ps -ef | grep -v grep | grep ravi | awk '{print $2}'`
echo $var1
if [ -z $var1 ]
then
echo "The Process is Running"
else
xx=`whoami`
echo $xx
cwd=`cd /user/bin`
pwd=`pwd`
echo $pwd
`su - user`
`ravi`
xx=`whoami`
echo $xx
prrestart=`/ravi/admin/KickWatchdog -restart`
echo "You win"
fi


echo $vasr1
echo 'ravi'

Smilie
 
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LEARN ABOUT HPUX

cmhaltserv

cmhaltserv(1m)															    cmhaltserv(1m)

NAME

       cmhaltserv - halt a service from the high availability package halt script

SYNOPSIS

       cmhaltserv [-v] service_name

DESCRIPTION

       cmhaltserv is used only in the high availability package halt script to halt a service.

       To  stop  a  package  service,  the  running  package  halt  script must be running as superuser(UID=0), or as a user with access policy of
       FULL_ADMIN allowed in the cluster configuration file. See access policy in cmquerycl(1) or cmmakepkg(1).

       If any part of a package is marked down, the package halt script is executed as part of the recovery process.

       This command sends a SIGTERM signal to the PID and the corresponding process group of the monitored service.  If this signal is	caught	by
       the running application, it is up to the application to ensure that the processes will be terminated.

   Options
       cmhaltserv supports the following options:

	      -v   Verbose output will be displayed.

RETURN VALUE

       cmhaltserv returns the following values:

	       0   Successful completion.
	       1   Command failed.

EXAMPLES

       To halt the service db1, do the following:

	      # Halt the service db1
	      cmhaltserv db1

       This line should only be executed within a package halt script.

AUTHOR

       cmhaltserv was developed by HP.

SEE ALSO

       cmmakepkg(1m), cmquerycl(1m), cmmodnet(1m), cmrunserv(1m).

						      Requires Optional Serviceguard Software					    cmhaltserv(1m)