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Top Forums Shell Programming and Scripting How to run same script on multiples servers Post 302336228 by ilikecows on Tuesday 21st of July 2009 02:56:22 PM
Old 07-21-2009
I recommend setting up an ssh key pair for passwordless logins on the machines you will be running the script on. For this to work you will need to put a copy of the script you are trying to run on each server. Then you can write a simple "launcher" script to ssh into each machine and run the script that are wanting to run on each machine. The launcher script doesn't need to be anything more than a simple for loop.
Step by step:

1. Set up the ssh keys on each machine. The ssh man page explains how to do it.

2. Put a copy of the script on each machine

3. Write a simple launcher script. It will look something like this
#!/bin/ksh

for server in host1 host2 host3
do
ssh $server /path/to/script
done

4. Enjoy your time saved
 

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rt-email-dashboards(8)					     Request Tracker Reference					    rt-email-dashboards(8)

NAME
rt-email-dashboards - Send email dashboards SYNOPSIS
rt-email-dashboards [options] DESCRIPTION
This tool will send users email based on how they have subscribed to dashboards. A dashboard is a set of saved searches, the subscription controls how often that dashboard is sent and how it's displayed. Each subscription has an hour, and possibly day of week or day of month. These are taken to be in the user's timezone if available, UTC otherwise. SETUP
You'll need to have cron run this script every hour. Here's an example crontab entry to do this. 0 * * * * /usr/bin/perl /opt/rt4/local/sbin/rt-email-dashboards This will run the script every hour on the hour. This may need some further tweaking to be run as the correct user. OPTIONS
This tool supports a few options. Most are for debugging. -h --help Display this documentation --dryrun Figure out which dashboards would be sent, but don't actually generate or email any of them --time SECONDS Instead of using the current time to figure out which dashboards should be sent, use SECONDS (usually since midnight Jan 1st, 1970, so 1192216018 would be Oct 12 19:06:58 GMT 2007). --epoch SECONDS Back-compat for --time SECONDS. --all Ignore subscription frequency when considering each dashboard (should only be used with --dryrun for testing and debugging) perl v5.14.2 2013-05-22 rt-email-dashboards(8)
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