hadoop-slaves-broadcast

#!/bin/bash

for HOST in $(< /opt/hadoop/hadoop-1.0.3/conf/slaves); do
echo ""
echo "###############"
echo "# HOSTNAME: $HOST"
echo "###############"
# This line is for back grounding each command to execute them on all systems at once
# ssh -q -o ConnectTimeout=3 $HOST "echo password | sudo -S $* >/dev/null 2>&1 &"

ssh -t -q -o ConnectTimeout=3 $HOST "echo hadoop | sudo -S $*"

if [ $? -ne 0 ]; then
echo "---- COULD NOT CONNECT TO $HOST ----"
fi
done