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Running commands in remote node as root user

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# 1  
Old 03-28-2014
Running commands in remote node as root user
Platform :Oracle Linux 6.4

We are trying to automate the SAN level cloning from production RAC DB cluster to test.
From a shell script, I would like to run the below command Step1,2 and 3 from Node1 in a sequential order as root user . How can I do this ? passwordless for root user is not configured though. Is this required for remote command execution?

## It is the same command executed in a sequential order on each node as root



Step1. In Node1, run
Code:
/etc/init.d/oracleasm scandisks

Step2. In Node2 run
Code:
/etc/init.d/oracleasm scandisks

Step3. In Node3 , run
Code:
/etc/init.d/oracleasm scandisks

# 2  
Old 03-28-2014
You could use sudo for this and set it up on each node to allow a (functional) user account to issue only this command, and use ssh keys to issue the command remotely using sudo and that account..
This User Gave Thanks to Scrutinizer For This Post:
kraljic
# 3  
Old 03-30-2014
Is there a way other than configuring sudo to achieve my requirement ?
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