kafka 集群安装

环境：

10.23.209.70 zookeep-kafka-node1  zookeep+kafka  CentOS Linux release 7.1.1503 
10.23.209.71 zookeep-kafka-node2  zookeep+kafka  CentOS Linux release 7.1.1503
10.23.209.72 zookeep-kafka-node3  zookeep+kafka  CentOS Linux release 7.1.1503

官方网站：

JDK下载地址：https://www.oracle.com/technetwork/java/javase/downloads/index.html
Zookeep官方下载地址：https://zookeeper.apache.org/releases.html
kafka官方下载地址：http://kafka.apache.org/downloads

一.JDK1.8安装

1.解压jdk至指定目录

[root@zookeep-kafka-node1 local]# tar zxvf jdk-8u231-linux-x64.tar.gz  -C /usr/local/

2.修改vi /etc/profile 增加JDK环境变量

export JAVA_HOME=/usr/local/jdk1.8.0_231
export CLASSPATH=$JAVA_HOME/lib:$JAVA_HOME/jre/lib
export PATH=$PATH:$JAVA_HOME/bin:$JAVA_HOME/jre/bin

3.使环境变量生效

[root@zookeep-kafka-node1 local]# source /etc/profile

4.测试java环境

[root@zookeep-kafka-node1 local]# java -version
java version "1.8.0_231"
Java(TM) SE Runtime Environment (build 1.8.0_231-b11)
Java HotSpot(TM) 64-Bit Server VM (build 25.231-b11, mixed mode)