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Run a command on all nodes in a hadoop cluster
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| # ssh -A hadoop@<masternode> | |
| # SCRIPT=<yourscriptfile.sh> | |
| declare nodes=`yarn node -list 2> /dev/null | grep internal | cut -d' ' -f1 | cut -d: -f1` | |
| for node in $nodes | |
| do | |
| ssh -o StrictHostKeyChecking=no -o UserKnownHostsFile=/dev/null hadoop@$node 'bash -s' < $SCRIPT | |
| done |
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