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= 實作六 Lab6 =

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#!html
<p style="text-align: center;"><big style="font-weight: bold;"><big>Hadoop 叢集示範 (兩台 Linux)<br/>Hadoop Cluster in Full Distributed Mode</big></big></p>
}}}

 * 假設您申請到的第一台 easycloud VM 的 IP 是 192.168.125.1 ，也已經跑了 lab002/hadoop-full-mode
 * 讓我們再申請第2台，並且執行 lab000 跟 lab002。
{{{
~$ su -
~# locale-gen zh_TW.UTF-8
~# echo "nameserver 8.8.8.8" >> /etc/resolv.conf
~# apt-get update
~# apt-get -y install git
~# git clone https://github.com/jazzwang/hadoop_labs.git
~# cd hadoop_labs
~/hadoop_labs# lab000/hadoop-local-mode
~/hadoop_labs# lab002/hadoop-full-mode
~/hadoop_labs# lab000/hadoop-local-mode
~/hadoop_labs# cd
~# cp -R hadoop/conf.full hadoop/conf.new
~# rm hadoop/conf
~# ln -s ~/hadoop/conf.new ~/hadoop/conf
~# rm -rf ~/hadoop/var/
~# sed -i "s#$(hostname)#192.168.125.1#g" ~/hadoop/conf/core-site.xml
~# sed -i "s#$(hostname)#192.168.125.1#g" ~/hadoop/conf/mapred-site.xml
~# source .bashrc
~# hadoop-daemon.sh start datanode
~# hadoop-daemon.sh start tasktracker
}}}

 * 請回到第1台，觀察 http://localhost:50070 跟 http://localhost:50030 是否有多一台。