参考博文：https://www.mtyun.com/library/how-to-install-kafka-on-centos7

一、安装准备
1、修改系统配置
#关闭selinux、firewall
#修改/etc/security/limits.conf添加以下内容：

  • soft nofile 65536
  • hard nofile 65536
  • soft nproc 65536
  • hard nproc 65536
    #修改/etc/security/limits.d/20-nproc.conf
  • soft nproc 65536
    3、创建账户、目录
    groupadd -g 800 kafka
    useradd -u 800 -g kafka kafka

二、安装步骤
1、解压文件
tar xvf kafka_2.12-1.0.0.tgz -C /usr/local/
cd /usr/local/
mv kafka_2.12-1.0.0/ kafka
chown -R kafka.kafka /usr/local/kafka
2、修改环境变量.bash_profile
#su - kafka
#vim .bash_profile
JAVA_HOME=/usr/local/jdk
CLASSPATH=$JAVA_HOME/lib
PATH=$JAVA_HOME/bin:$PATH:$HOME/bin:/usr/local/kafka/bin
export PATH JAVA_HOME CLASSPATH
#重新加载.bash_profile
#. .bash_profile
3、启动kafka
zookeeper-server-start.sh -daemon /usr/local/kafka/config/zookeeper.properties
nohup kafka-server-start.sh /usr/local/kafka/config/server.properties >/dev/null 2>&1 &