start_hadoop的博客

#!/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)); thenecho no args;exit;fi#2 获取文件名称p1=$1fname=basename $p1echo fname=$fname#3 获取上级目录到绝对路径pdir=cd -P $(dirname $p1); pwdecho pdir=$pdir#4 获取当前用户名称user=whoami#5 循环for((host=103; host&

#!/bin/bashfor i in haotian@hadoop102 haotian@hadoop103 haotian@hadoop104doecho “=========== $i ===========”ssh $i ‘/opt/module/jdk1.8.0_144/bin/jps’done