6、.0_72三、配置环境变量远行vi /etc/profile# /etc/profile# System wide environment and startup programs, for login setup# Functions and aliases go in /etc/bashrcexport JAVA_HOME=/usr/local/java/jdk1.7.0_65export JRE_HOME=/usr/local/java/jdk1.7.0_65/jreexport CLASSPATH=/usr/lo
7、cal/java/jdk1.7.0_65/libexport PATH=$JAVA_HOME/bin: $PATH保存修改,运行source /etc/profile 重新加载环境变量运行java -version[root@master01 java]# java -versionjava version "1.7.0_72"Java(TM) SE Runtime Environment (build 1.7.0_72-b13)Java HotSpot(TM) 64-Bit Server VM (build 24.55
9、,这个配置要注意,保证是奇数个子节点,具体在哪几台无关ZooKeeper保证是奇数个子节点,具体在哪几台无关关闭防火墙chkconfig iptables off(永久性关闭)配置主机名和hosts文件[root@master01 java]# vi /etc/hosts127.0.0.1 localhost l