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Update hadoop单机版本环境搭建.md

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notes/installation/hadoop单机版本环境搭建.md
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@ -5,7 +5,7 @@
<nav>
<a href="#一安装JDK">一、安装JDK</a><br/>
<a href="#二配置-ssh-免密登录">二、配置 ssh 免密登录</a><br/>
<a href="#二配置-SSH-免密登录">二、配置 ssh 免密登录</a><br/>
<a href="#三HadoopHDFS安装">三、Hadoop(HDFS)安装</a><br/>
</nav>
@ -17,7 +17,7 @@ Hadoop 需要在java环境下运行，所以需要先安装jdk,安装步骤见[L
## 二、配置 ssh 免密登录
## 二、配置 SSH 免密登录
Hadoop 组件之间的各个节点需要进行通讯，所以需要配置ssh 免密登录。
@ -165,4 +165,4 @@ sudo systemctl stop firewalld.service
方式二：访问50070端口 http://192.168.43.202:50070 。如果jps查看进程均以启动，但是无法访问页面，则需要关闭防火墙。
<div align="center"> <img width="600px" src="https://github.com/heibaiying/BigData-Notes/blob/master/pictures/hadoop安装验证.png"/> </div>
<div align="center"> <img width="600px" src="https://github.com/heibaiying/BigData-Notes/blob/master/pictures/hadoop安装验证.png"/> </div>