Hadoop集群搭建（潦草版）

vi /etc/sysconfig/network-scripts/ifcfg-ens33
static no
IPADDR=192.168.自己.100 101 102 103
GATWAY=192.168.自己.1
 service network restart

vi /etc/hosts
192.168.自己.100 master
192.168.自己.101 slave01
192.168.自己.102 slave02
192.168.自己.103 slave03

vi /etc/hostname
master

scp -r /etc/hosts slave01:/etc/hosts
scp -r /etc/hosts slave02:/etc/hosts
scp -r /etc/hosts slave03:/etc/hosts

ssh-keygen -t rsa
ssh-copy-id -i root@slave01
ssh-copy-id -i root@slave02
ssh-copy-id -i root@slave03

vi core-site.xml
master
vi hdfs-site.xml
2
追加


	dfs.namenode.secondary.http-address
	master:50090

vi mapred-site.xml
追加


	mapreduce.jobhistory.address
	master:10020

	

	mapreduce.jobhistory.webapp.address
	master:19888


vi yarn-site.xml
改localhost为master

vi /opt/hadoop/etc/hadoop/slaves
slave01
slave02
slave03


scp -r /opt/jdk slave01:/opt/jdk
scp -r /opt/jdk slave02:/opt/jdk
scp -r /opt/jdk slave03:/opt/jdk

scp -r /opt/hadoop slave01:/opt/hadoop
scp -r /opt/hadoop slave02:/opt/hadoop
scp -r /opt/hadoop slave03:/opt/hadoop

scp -r /opt/hadoop-record slave01:/opt/hadoop-record
scp -r /opt/hadoop-record slave02:/opt/hadoop-record
scp -r /opt/hadoop-record slave03:/opt/hadoop-record

scp -r /etc/profile.d/hadoop-eco.sh slave01:/etc/profile.d/hadoop-eco.sh
scp -r /etc/profile.d/hadoop-eco.sh slave02:/etc/profile.d/hadoop-eco.sh
scp -r /etc/profile.d/hadoop-eco.sh slave03:/etc/profile.d/hadoop-eco.sh
各从机
source /etc/profile.d/hadoop-eco.sh

systemctl stop firewalld.service
systemctl disable firewalld.service

hdfs namenode -format

start-all.sh