study notes

摘要： 1 [zhangly@CN-BJ-720-1-Hadoop-Master script]$ cat ssh_key_v1.5.sh 2 #!/bin/bash 3 #Date:2013-08-29 4 #Author:ZhangLuYa 5 #Version 1.5 6 7 #define var 8 work="/work/script" 9 ip_list="${work}/ip_all.txt"10 if [ ! -d ${work} ];then11 mkdir -p ${work}12 echo "Dir ${work} is cre 阅读全文