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UNIX for Dummies Questions & Answers
change user through shell script
Post 92470 by raviraushanjha on Monday 12th of December 2005 02:11:33 AM
12-12-2005
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'
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'
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LEARN ABOUT OPENSOLARIS
echo
echo(1B) SunOS/BSD Compatibility Package Commands echo(1B) NAME
echo - echo arguments to standard output SYNOPSIS
/usr/ucb/echo [-n] [argument] DESCRIPTION
echo writes its arguments, separated by BLANKs and terminated by a NEWLINE, to the standard output. echo is useful for producing diagnostics in command files and for sending known data into a pipe, and for displaying the contents of envi- ronment variables. For example, you can use echo to determine how many subdirectories below the root directory (/) is your current directory, as follows: o echo your current-working-directory's full pathname o pipe the output through tr to translate the path's embedded slash-characters into space-characters o pipe that output through wc -w for a count of the names in your path. example% /usr/bin/echo "echo $PWD | tr '/' ' ' | wc -w" See tr(1) and wc(1) for their functionality. The shells csh(1), ksh(1), and sh(1), each have an echo built-in command, which, by default, will have precedence, and will be invoked if the user calls echo without a full pathname. /usr/ucb/echo and csh's echo() have an -n option, but do not understand back-slashed escape characters. sh's echo(), ksh's echo(), and /usr/bin/echo, on the other hand, understand the black-slashed escape characters, and ksh's echo() also understands a as the audible bell character; however, these commands do not have an -n option. OPTIONS
-n Do not add the NEWLINE to the output. ATTRIBUTES
See attributes(5) for descriptions of the following attributes: +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |Availability |SUNWscpu | +-----------------------------+-----------------------------+ SEE ALSO
csh(1), echo(1), ksh(1), sh(1), tr(1), wc(1), attributes(5) NOTES
The -n option is a transition aid for BSD applications, and may not be supported in future releases. SunOS 5.11 3 Aug 1994 echo(1B)