[Hadoop] installing hadoop on Windows

For detailed steps, download the attachment: Install hadoop on Windows. The following are the main chapters:

1. Introduction

This example describes how to install/start hadoop in windows. In this example, the following environment passes the test:
★Operating System: Windows 7 Enterprise Edition (English version)
★Hadoop: 0.20.2
★Java JDK: 1.6.0.10
★Eclipse: Helios
★User: local administrator (do not perform cygwin and hadoop operations under the domain user)
Although begin (the root cause of the problem is that cygwin does not synchronize domain accounts)

2. Prerequisites

Introduction to some environment preparations

3. Install cygwin

Describes how to install cygwin

4. Configure Environment Variables

Describes how to configure environment variables.

5. Install the sshd service

Describes the steps and precautions for installing the sshd service.

6. Configure SSH Logon

Describes how to configure SSH login.

7. Install hadoop

Describes how to install hadoop.