05-17-2005
root executes a script as another user
we have this script that stops, starts and monitor process scheduler. prcs_control. this script runs perfectly when executed by ps_user.
we are now creating a new script that will run this script and is executed by root. this script needs to execute the prcs_control as ps_user because root can not execute the psadmin command.
here's how we coded it to be executed by ps_user
su -c "path/prcs_control arg1 arg2"
the script exits successfully but when the status process sched is checked via manual psadmin, it did not stop or start the process sched.
any idea?
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LEARN ABOUT CENTOS
service
service(8) System Manager's Manual service(8)
NAME
service - run a System V init script
SYNOPSIS
service SCRIPT COMMAND [OPTIONS]
service --status-all
service --help | -h | --version
DESCRIPTION
service runs a System V init script in as predictable environment as possible, removing most environment variables and with current working
directory set to /.
The SCRIPT parameter specifies a System V init script, located in /etc/init.d/SCRIPT. The supported values of COMMAND depend on the
invoked script, service passes COMMAND and OPTIONS it to the init script unmodified. All scripts should support at least the start and
stop commands. As a special case, if COMMAND is --full-restart, the script is run twice, first with the stop command, then with the start
command.
service --status-all runs all init scripts, in alphabetical order, with the status command.
If the init script file does not exist, the script tries to use legacy actions. If there is no suitable legacy action found and COMMAND is
one of actions specified in LSB Core Specification, input is redirected to the systemctl. Otherwise the command fails with return code 2.
FILES
/etc/init.d
The directory containing System V init scripts.
ENVIRONMENT
LANG, TERM
The only environment variables passed to the init scripts.
SEE ALSO
chkconfig(8), ntsysv(8), systemd(1), systemctl(8), systemd.service(5)
Jan 2006 service(8)