1、下载 hadoop-2.7.2.tar.gz (http://archive.apache.org/dist/hadoop/core/hadoop-2.7.2/)
配置惨笔记:https://blog.csdn.net/ljw_study_in_CSDN/article/details/104856314
2、下载之后,终端输入 cp hadoop-2.7.2.tar.gz /opt
把这个压缩包复制到opt目录下
root@easonl-Lenovo-IdeaPad-S400:/home/easonl/download# cp hadoop-2.7.2.tar.gz /opt
3、然后进入到opt目录,输入 tar -zxvf hadoop-2.7.2.tar.gz
解压缩
root@easonl-Lenovo-IdeaPad-S400:/opt# cd /opt
root@easonl-Lenovo-IdeaPad-S400:/opt# tar -zxvf hadoop-2.7.2.tar.gz
4、cd /etc/profile.d
进入到该目录下
root@easonl-Lenovo-IdeaPad-S400:/opt# cd /etc/profile.d
5、sudo vi hadoop.sh
创建hadoop.sh文件并编辑(按 i 进入编辑模式)
root@easonl-Lenovo-IdeaPad-S400:/etc/profile.d# sudo vi hadoop.sh
6、hadoop.sh编辑内容:(这里需要按路径来写,先去opt目录下复制解压缩的路径,显示路径是/opt/hadoop-2.7.2)
export HADOOP_HOME=/opt/hadoop-2.7.2
export PATH=$PATH:/opt/hadoop-2.7.2/bin
export PATH=$PATH:/opt/hadoop-2.7.2/sbin
输入 :x 保存并退出。
export HADOOP_HOME=/opt/hadoop-2.7.2
export PATH=$PATH:/opt/hadoop-2.7.2/bin
export PATH=$PATH:/opt/hadoop-2.7.2/sbin
但是这里遇到问题
root@easonl-Lenovo-IdeaPad-S400:/etc/profile.d# source /etc/profile
C:未找到命令
C:未找到命令
C:未找到命令