hadoop install

1.home下建立hadoop

2.在Downloads下解压hadoop-2.6.0.tar.gz

3.将解压后的hadoop-2.6.0移动到/home/hadoop

4.csf@ubuntu:/home$ gedit ~/.bashrc

...

5.   . ~/.bashrc

6. csf@ubuntu:/home$ sudo gedit /home/hadoop/etc/hadoop/hadoop-env.sh

...

7.csf@ubuntu:/home$ sudo gedit /home/hadoop/etc/hadoop/core-site.xml

let the content of down insert into :<configuration></configuration>

< property >
< name >hadoop.tmp.dir</ name >
< value >/app/hadoop/tmp</ value >
< description >Parent directory for other temporary directories.</ description >
</ property >
< property >
< name >fs.defaultFS </ name >
< value >hdfs://localhost:54310</ value >
< description >The name of the default file system. </ description >
</ property >

8.
csf@ubuntu:/home$ cd hadoop/etc/hadoop
csf@ubuntu:/home/hadoop/etc/hadoop$ sudo mkdir -p /app/hadoop/tmp
csf@ubuntu:/home/hadoop/etc/hadoop$ sudo chmod 750 /app/hadoop/tmp 9.
csf@ubuntu:/home/hadoop/etc/hadoop$ sudo gedit /etc/profile.d/hadoop.sh
... 10
csf@ubuntu:/home/hadoop/etc/hadoop$ sudo chmod +x /etc/profile.d/hadoop.sh