day05

stop-all.sh  //关闭所有

service iptables stop  //关闭

vi /home/hadoop-1.2/conf/mapred-sire.xml

[root@node1 conf]# vi mapred-site.xml 
<?xml version="1.0"?>
<?xml-stylesheet type="text/xsl" href="configuration.xsl"?>

<!-- Put site-specific property overrides in this file. -->

<configuration>
        <property>
                <name>mapred.job.tracker</name>
                <value>node1:9001</value>
        </property>
</configuration>
~

配置所有的node 的/etc/hosts 里

127.0.0.1   自己的主机名字[node1| node2| node3 |node4]

192.168.80.101  node1

192.168.80.102  node2
192.168.80.103  node3
192.168.80.104  node4  并且要保证每台机器之间都可以相互ping通....

scp ./mapred-site.xml  root@node2:/home/hadoop-1.2/conf/        //拷贝到其他节点上