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# !/bin/bash if [ $# -lt 1 ] then echo "请输入参数" exit fi case $1 in "start-exe" ) for host in hadoop102 hadoop103 hadoop104 do echo "========================$host start azkaban-exec===========================" ssh $host "cd /opt/module/azka.

#!/bin/bash #格式化namenode的时候需要删除data和log目录 if [ $# -lt 1 ] then echo "没有输入参数,需要输入相应的服务名 如hadoop102" exit; fi HADOOP_PATH_DATA="/opt/module/hadoop-3.1.3/data" HADOOP_PATH_LOGS="/opt/module/hadoop-3.1.3/logs" for host in $@ do echo "=================.

#!/bin/bash if [ $# -lt 1 ] then echo "你需要输入一个参数" exit; fi HADOOP_PATH_BIN="/opt/module/hadoop-3.1.3/bin" HADOOP_PATH_SBIN="/opt/module/hadoop-3.1.3/sbin" case $1 in "start") echo "==============启动hadoop集群=================" echo "=====.

#!/bin/bash #免密登录 配置 需要几台服务器免密登录参数就写几台 if [ $# -lt 1 ] then echo "没有输入参数,请输入相应的参数,如hadoop102" exit fi echo "=============== 在$1生成私钥和公钥 =================" echo " " ssh $1 "ssh-keygen -t rsa" for host in $@ do echo "==============把公钥发到$host上===========.

#!/bin/bash if [ $# -lt 1 ] then echo "没有参数路径,请输入需要分发的目录路径" exit; fi #遍历集群所有的机器 for host in hadoop102 hadoop103 hadoop104 hadoop105 hadoop106 hadoop107 do echo "==================== $host ==========================" #遍历所有的目录 ,逐个发送 for file in $@ .