vmvare安装 + centos7安装 + hadoop安装

vmvare安装

教程：https://blog.csdn.net/weixin_45014379/article/details/126102088

密匙：https://www.xitongcheng.com/jiaocheng/dnrj_article_70148.html

centos7安装

直接安，别安简略版，得重新下载图形化界面很麻烦
教程：https://blog.csdn.net/promsing/article/details/120208826?ops_request_misc=%257B%2522request%255Fid%2522%253A%2522166565051116800192284897%2522%252C%2522scm%2522%253A%252220140713.130102334..%2522%257D&request_id=166565051116800192284897&biz_id=0&utm_medium=distribute.pc_search_result.none-task-blog-2~all
选择阿里云的线路

下载地址：http://mirrors.aliyun.com/centos/7.9.2009/isos/x86_64/

hadoop安装

按照教程来

jdk上传

使用FileZilla文件传输器，下载地址：https://www.onlinedown.net/soft/3011.htm
连接虚拟机：https://blog.csdn.net/liangzc1124/article/details/104974816
注意，填写的主机名是虚拟机的主机名，如我的就是 192.168.6.130
然后上传就行了

提示：bash: /usr/java/jdk1.8/bin/java: 权限不够

chmod +x /usr/java/jdk1.8/bin/java