启动Hadoop集群和HBase集群脚本
#!/bin/sh #echo "waring" #read NAME #等待用户输入并把输入的值付给NAME NAME=$1 #将脚本第一个参数赋给NAME #引用变量时加上"{}",是个好习惯,利于shell辨别变量边界 if [ -z ${NAME} ] ;then #默认如果为空,hadoop start echo "1.start hadoop on ${HOSTNAME}" start-all.sh elif [ "${NAME}" = "hadoop" ];then #如果NAME中的值为"hadoop",则继续执行if echo "2.start hadoop on ${HOSTNAME}" start-all.sh elif [ "${NAME}" = "hbase" ] ;then #否则就执行else if start-all.sh #for loop in 1 2 3 NUM=1 <pre name="code" class="plain">#测试的zookeeper服务器集群是三个节点 while [ ${NUM} -lt 4 ] do echo ...