scp、rsync、xsync

scp -r etc/hadoop/dfs.hosts root@192.168.121.134:/usr/local/hadoop/hadoop-2.7.6/etc/hadoop/

rsync -rvl etc/hadoop/hdfs-site.xml root@192.168.121.136:/usr/local/hadoop/hadoop-2.7.6/etc/hadoop/

!/bin/bash
#1获取输入参数个数，如果没有参数，直接退出
pcount=$#
if((pcount==0)); then
echo no args;
exit;
fi

#2 获取文件名称
p1=$1
fname=‘basename $p1‘
echo fname=$fname

3 获取上级目录到绝对路径
pdir=‘cd -P $(dirname $p1); pwd‘
echo pdir=$pdir

4 获取当前用户名称
user=‘whoami‘

5 循环
for((host=103; host<105; host++)); do
echo ------------------- hadooppdir/user@hadooppdir
done