一個shell 腳本

#!/bin/sh for i in 1 2 3 4 5 6 7 8 9 do scp -r ~/Desktop/hadoop-0.20.2 slave"$i":~/Desktop/ sudo scp /etc/profile slave"$i":/etc/profile ssh slave"$i" "source /etc/profile" # ssh slav

>>阅读原文<<