1、查看服务器的版本
[hadoop@cloud01 hadoop]$ more /proc/version
Linux version 2.6.32-358.el6.i686 (mockbuild@c6b8.bsys.dev.centos.org) (gcc version 4.4.7 20120313 (Red Hat 4
.4.7-3) (GCC) ) #1 SMP Thu Feb 21 21:50:49 UTC 2013
如果32bit ，直接安装
如果64bit，需要下载hadoop源代码，手动编译 1.源码 2.maven 3. protobuf 4. 上网
2、安装hadoop步骤
修改主机名称
修改IP
IP和主机名的映射关系
iptables
jdk
配置环境变量
3、hadoop的目录结构
[hadoop@cloud01 hadoop-2.4.1]$ ll
total 52
drwxr-xr-x. 2 hadoop hadoop 4096 Jun 20 2014 bin
drwxr-xr-x. 3 hadoop hadoop 4096 Jun 20 2014 etc
drwxr-xr-x. 2 hadoop hadoop 4096 Jun 20 2014 include
drwxr-xr-x. 3 hadoop hadoop 4096 Jun 20 2014 lib
drwxr-xr-x. 2 hadoop hadoop 4096 Jun 20 2014 libexec
-rw-r--r--. 1 hadoop hadoop 15458 Jun 20 2014 LICENSE.txt
-rw-r--r--. 1 hadoop hadoop 101 Jun 20 2014 NOTICE.txt
-rw-r--r--. 1 hadoop hadoop 1366 Jun 20 2014 README.txt
drwxr-xr-x. 2 hadoop hadoop 4096 Jun 20 2014 sbin
drwxr-xr-x. 3 hadoop hadoop 4096 Nov 15 21:16 share
