hadoop in win7(cygwin)

1. Download 'setup.exe' from Cygwin website

2. Download hadoop 0.20.2 and hbase 0.20.6 from apache website

3. Add user hadoop
   $ net user hadoop password /add /yes
   $ net localgroup administrator hadoop /add
   $ mkpassd -l -u hadoop » /etc/passwd

4. Add sshd service
   $ cygrunsrv.exe –remove sshd (no necessary)
   $ ssh-host-config -y
   $ cygrunsrv.exe –start sshd

5. Generate ssh key
   $ ssh-keygen -t dsa -P '' -f ~/.ssh/id_dsa
   $ cat ~/.ssh/id_dsa.pub » ~/.ssh/authorized_keys
   $ chmod 600 ~/.ssh/authorized_keys
   $ scp ~/.ssh/id_dsa.pub ~/.ssh/authorized_keys 10.13.136.250:/home/hadoop/.ssh

6. Edit file as below

7. core-site.xml

   • hdfs-site.xml
   • mapred-site.xml
   • hadoop-env.sh

Referece

Cygwin for Hadoop (Win 7)

Setting Up Hadoop 0.20.2 on Windows 7 With Cygwin

Hadoop for Windows using Cygwin