Install Hadoop on Xubuntu

0. Install Xubuntu

We recommend to set username as "Hadoop"

After installation, set user "Hadoop" as Administrator

sudo addgroup Hadoop  

Open/etc/sudoers File

sudo gedit/etc/sudoers

Add Hadoop all= (All:all) all under root all= (All:all) all

1. Install Java

1. Unzip the Java tarball to usr/Java (the new folder). Can be used after decompression2. Configure environment variables. as follows in etc/profile file. Add the following at the end of the text #SetJava Environment Export Java_home=/usr/java/jdk1.7. 0_67 Export Jre_home=/usr/java/jdk1.7.0_67/JRE Export PATH= $PATH:/usr/java/jdk1.7.0_67/Bin Export CLASSPATH=./:/usr/java/jdk1.7.0_67/lib:/usr/java/jdk1.7.0_67/jre/Lib3. Configure immediate effect command source/etc/ Profile4. Detect if the configuration was successful in Java-version if not, restart Linux

2. Configure login in SSH without entering password

Please operate under User "Hadoop"

Su- hadoop  sudo apt-get
Sudo/etc/init.d/ssh start

CD ~/.ssh
Ssh-keygen-t rsa-p ""
Cat ~/.ssh/id_rsa.pub>> ~/.ssh/authorized_keys

3. Install Hadoop

1. Unzip hadoop.tar.gz into/usr/Hadoop
Then, ensure user "Hadoop" Owns/usr/hadoop
　　
sudo chown-r hadoop:hadoop Hadoop

2. Edit Environment2.1gedit/etc/Profile Append these:export java_home=/usr/java/Export Jre_home=/usr/java/JRE Export Hadoop_install=/usr/Hadoopexport PATH= $PATH: $JAVA _home/bin: $HADOOP _install/bin: $HADOOP _install/Sbinexport CLASSPATH=./:/usr/java/lib:/usr/java/jre/Lib2.2gedit/usr/hadoop/conf/hadoop-env.sh Append these:# the Java implementation to use. Required.export Java_home=/usr/Java Export Hadoop_install=/usr/Hadoopexport PATH= $PATH: $JAVA _home/bin: $HADOOP _install/bin: $HADOOP _install/Sbin3. Restart Linux

4. Test

[Email protected]:~$ [email protected]:~$ Java-Versionjava version"1.7.0_79"Java (TM) SE Runtime Environment (build1.7.0_79-B15) Java HotSpot (TM) --bit Server VM (build24.79-b02, Mixed mode) [Email protected]:~$ Hadoop Versionhadoop1.2.1Subversion https://svn.apache.org/repos/asf/hadoop/common/branches/branch-1.2-r 1503152Compiled by Mattf on Mon Jul A  the: at: thePdt -From source with checksum 6923c86528809c4e7e6f493b6b413a9athis command is runusing/usr/hadoop/hadoop-core-1.2.1. Jar[email protected]:~$

5. Hadoop Pseudo-distributed

edit three files:1). core-Site.xml:<configuration> <property> <name>fs.default.name</name> <value>hdfs://localhost:9000</value></property> <property> <name>hadoop.tmp.dir</name> <value>/usr/local/ Hadoop/tmp</value> </property> </configuration>2). hdfs-Site.xml:<configuration> <property> <name>dfs.replication</name> <value>2</value> </property> <property> <name>dfs.name.dir</name> <va          Lue>/usr/local/hadoop/datalog1,/usr/local/hadoop/datalog2</value> </property> <property> <name>dfs.data.dir</name> <value>/usr/local/hadoop/data1,/usr/local/hadoop/data2</val Ue> </property> </configuration>3). mapred-Site.xml:<configuration> <property> <name>mapred.job.tracker</name> &LT;VALUE&G T;localhost:9001</value> </property> </configuration>2. Start Hadoop to related services, format namenode, Secondarynamenode, Tasktracker:[email protected]:/usr/local/hadoop$ source/usr/local/hadoop/conf/hadoop-env.sh [email protected]:/usr/local/hadoop$ Hadoop Namenode-format

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6*. Install hbase[pseudo-distributed]

1. Unzip hbase.tar.gz into/usr/HBase Then, ensure user"Hadoop"owns/usr/hbase sudo chown-R hadoop:hadoop hbase2. Edit Environment2.1gedit/etc/Profile Append these:export hbase_home="/usr/hbase"Export PATH= $HBASE _home/Bin: $PATH2.2gedit/usr/hbase/conf/hbase-site.xml Append these:<property> <name>hbase.rootdir</name> <!--configuration items for HDFs in Hadoop--<value>hdfs://localhost:9000/hbase</value></property> <property> <name>hbase.cluster.distributed</name> <value>true</value></property><property> <name>hbase.master.info.port</name> <value>60010</value></property>2.3gedit/usr/hbase/hbase-env.sh Modify these:# the Java implementation to use. Java1.6Required.export Java_home=/usr/java/# Extra Java CLASSPATH elements. Optional.export Hbase_classpath=/usr/hadoop/conf# tell HBase whether it should manage it's own instance of Zookeeper or not.Export hbase_manages_zk=true3. Restart Linux

#. References

http://blog.csdn.net/zhaoyl03/article/details/8657104#http://  Www.tuicool.com/articles/VZn6zi

http://blog.csdn.net/zhaoyl03/article/details/8657104#

http://blog.csdn.net/pdw2009/article/details/21261417

Http://www.th7.cn/db/nosql/201510/134214.shtml

Install Hadoop on Xubuntu