Created
March 8, 2012 01:30
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hadoop-dns : backup /etc/hosts
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| #!/bin/bash | |
| hosts=$(cat $HADOOP_HOME/conf/slaves | grep -v '#') | |
| for host in $hosts | |
| do | |
| echo "------------------" $host "------------" | |
| ssh -o StrictHostKeyChecking=no root@$host "cp /etc/hosts /etc/hosts.orig" | |
| done |
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