emergency shutdown best practices. Post: 302244752

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Top Forums UNIX for Advanced & Expert Users emergency shutdown best practices. Post 302244752 by jsw371 on Wednesday 8th of October 2008 02:27:41 PM

10-08-2008

Registered User

Here in lies the problem. Our network security officer will not allow ssh as root. Also, we have many "flavors" of unix/linux which have different shutdown options. I tried something like this but it does not work on all the servers. (They do not like the <<\EOT...EOT construct)
$1 is list of remote servers. mbaker has sudo root privilege

cat $1 | while read X
do
echo "Starting shutdown of $X"
ssh -T ${X} << \EOT >> Emergency_shutdown.log 2>> error.log
name=`uname -n`
echo "name = $name"
type=`uname -a | awk '{print $1}'`
echo "type = $type"
if [ "$type" = "SunOS" ]
then
echo "Emergency shutdown initiated for $name."
# sudo -u root shutdown -y -i5 -g0 "Emergency shutdown started!!!!!" &
fi
if [ "$type" = "Linux" ]
then
echo "Emergency shutdown initiated for $name."
sudo -u root /sbin/shutdown -k now "This is just a test. Not really re-booting." < /dev/null > /dev/null 2>&1 &
fi
EOT
if [ $? -ne 0 ]
then
echo "Host $X connect failed."
fi
done
exit 0

jsw371

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LEARN ABOUT SUNOS

shutdown

asadmin-shutdown(1AS)						   User Commands					     asadmin-shutdown(1AS)

NAME

       asadmin-shutdown, shutdown - brings down the administration server

SYNOPSIS

       shutdown [--user admin_user][--password admin_password][--host localhost] [--port 4848][--passwordfile filename][--secure|-s]

       shutdown  gracefully brings down the administration server and all the running instances. You must manually start the administration server
       to bring it up again.

OPTIONS

       --user		       administrative user associated for the instance.

       --password	       administrative password corresponding to the administrative user.

       --host		       host name of the machine hosting the administrative instance.

       --port		       administrative port number associated with the administrative host.

       --passwordfile	       file containing passwords appropriate for the command (e.g., administrative instance).

       --secure 	       if true, uses SSL/TLS to communicate with the administrative instance.

       Example 1: Using the shutdown command

       asadmin> shutdown --user admin --password adminadmin --host bluestar --port 4848
       Waiting for admin server to shutdown...
       Admin server has been shutdown

EXIT STATUS

       0		       command executed successfully

       1		       error in executing the command

INTERFACE EQUIVALENT

       Administration Server page

       asadmin-start-instance(1AS), asadmin-stop-instance(1AS), asadmin-restart-instance(1AS)asadmin-start-domain(1AS),  asadmin-stop-domain(1AS),
       asadmin-start-appserv(1AS), asadmin-stop-appserv(1AS)

J2EE 1.4 SDK							    March 2004						     asadmin-shutdown(1AS)