platform: Ubuntu 14.04 LTS
? ? ? ? ? ? ? ?hadoop 1.2.1
?
1. install ssh:
$sudo apt-get install openssh-server
$sudo apt-get install openssh-client
2. ssh no password access:
$ssh wubin (your computer)
$ssh-keygen
$ssh localhost
$cat ~/.ssh/id_rsa.put >> ~/.ssh/authorized_keys
(send to other computer $ssh-copy-id -i ~/.ssh/id_rsa.pub hadoop@node13)
3. install jdk
$?sudo?add-apt-repository?ppa:webupd8team/java
$?sudo?apt-get?update
$?sudo?apt-get?install?oracle-java8-installer
$?java?-version
4. install hadoop:
download hadoop-1.2.1-bin.tar.gz;
$tar -zxvf hadoop-1.2.1-bin.tar.gz
$sudo cp -r hadoop-1.2.1 /usr/local/hadoop
$sudo chown wubin /usr/local/hadoop
$dir /usr/local/hadoop
$sudo vim $HOME/.bashrc
go to the bottom:
export HADOOP_PREFIX=/usr/local/hadoop
export PATH=$PATH:$HADOOP_PREFIX/bin
$exec bash
$$PATH
: no such file or directory
$sudo vim /usr/local/hadoop/conf/hadoop-env.sh
export JAVA_HOME=/usr/lib/jvm/java-8-oracle
export HADOOP_OPTS=-Djava.net.preferIPv4Stack=true
$sudo vim /usr/local/hadoop/conf/core-site.xml
?
$sudo vim /usr/local/hadoop/conf/mapred-site.xml
?
$sudo mkdir /usr/local/hadoop/tmp
$sudo chown chown wubin /usr/hadoop/tmp
?
5. start hadoop
$hadoop namenode -format
$start-all.ssh
$jps
9792 DataNode
9971 SecondaryNameNode
9641 NameNode
10331 Jps
10237 TaskTracker
10079 JobTracker
$dir /usr/local/hadoop/bin
User Interface:
localhost:50070
localhost:50030
localhost:50070(support other computer to view the webpage via this port).
?
Reference:
[1] Hadoop tutorial:?05 Installing Apache Hadoop Single Node,?https://www.youtube.com/channel/UCjZvxgi8ro5VDv7tCqEWwgw.
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