kafka命令行操作：

/opt/module/kafka/bin/kafka-topics.sh --bootstrap-server hadoop100:9092 --list

配置环境变量：

export JAVA_HOME=/usr/lib/jvm/java-1.8.0-openjdk
export JRE_HOME=${JAVA_HOME}/jre
export CLASSPATH=.:${JAVA_HOME}/lib:${JRE_HOME}/lib:$CLASSPATH
export JAVA_PATH=${JAVA_HOME}/bin:${JRE_HOME}/bin
export PATH=$PATH:${JAVA_PATH}


#KAFKA_HOME
export KAFKA_HOME=/opt/module/kafka
export PATH=$PATH:$KAFKA_HOME/bin

安装jps：

yum install -y java-1.8.0-openjdk-devel.x86_64

# 查看jps命令是否存在
which jps

启动zookeeper:

cd bin

zk.sh start

启动kafka

[root@hadoop100 ~]# systemctl stop firewalld
[root@hadoop100 ~]# cd /opt/module/kafka
[root@hadoop100 kafka]# cd bin/
[root@hadoop100 bin]# kafka.sh start