准备n台（3台为例）服务器
配置好网络，主机名，ip-主机名的映射，关闭防火墙，安装java
- hadoop-server-00:
ssh-copy-id hadoop-server-01
ssh-copy-id hadoop-server-02
scp -r /usr/local/apps/hadoop-2.5.2/ hadoop-server-01:/usr/local/apps
scp -r /usr/local/apps/hadoop-2.5.2/ hadoop-server-02:/usr/local/apps
cd /usr/local/apps/hadoop-2.5.2/etc/
vi slaves
修改为
hadoop-server-00
hadoop-server-01
hadoop-server-02
vi /etc/profile
增加
export HADOOP_HOME=/usr/local/apps/hadoop-2.5.2
修改
export PATH=$PATH:$JAVA_HOME/bin:$HADOOP_HOME/bin:$HADOOP_HOME/sbin
source /etc/profile
- hadoop-server-01/02
cd /usr/local/apps/hadoop-2.5.2/
rm -rf tmp/
在hadoop-server-00任意目录即可启动hadoop服务
start-dfs.sh
start-yarn.sh
原文链接：https://blog.csdn.net/wetsaid/article/details/52947321
原创文章，作者：优速盾-小U，如若转载，请注明出处：https://www.cdnb.net/bbs/archives/6370
