Hadoop安装
来源:互联网 发布:网络违法犯罪举报 编辑:程序博客网 时间:2024/06/05 20:48
环境:
Ubuntu 12.04
步骤:
1.创建hadoop用户组
$ sudo addgroup hadoop
2.创建hadoop用户
$ sudo adduser -ingroup hadoop hadoop
Is the information correct? [Y/n] Y
3.为hadoop用户添加权限
$ sudo gedit /etc/sudoers
4.使用hadoop用户登陆(我的hadoop密码为123)
wenjing@ubuntu:~$ su hadoopPassword:
5.安装ssh
安装ssh
hadoop@ubuntu:/home/wenjing$ sudo apt-get install openssh-server
启动ssh服务
hadoop@ubuntu:/home/wenjing$ sudo /etc/init.d/ssh start
查看服务是否启动
hadoop@ubuntu:/home/wenjing$ ps -e|grep ssh 2125 ? 00:00:01 ssh-agent22498 ? 00:00:00 sshd
设置免密码登陆,生成私钥和公钥
hadoop@ubuntu:/home/wenjing$ ssh-keygen -t rsa -P ""Generating public/private rsa key pair.Enter file in which to save the key (/home/hadoop/.ssh/id_rsa): /home/hadoop/.ssh/id_rsa already exists.Overwrite (y/n)? yYour identification has been saved in /home/hadoop/.ssh/id_rsa.Your public key has been saved in /home/hadoop/.ssh/id_rsa.pub.The key fingerprint is:6b:35:1f:f5:60:02:27:ff:34:33:50:55:ae:d6:f7:9f hadoop@ubuntuThe key's randomart image is:+--[ RSA 2048]----+| o o...+|| = . . || o O .|| * O || S o . + +|| o o o o|| o . .|| . o|| E.|+-----------------+
将当前用户登陆到ssh客户端?
hadoop@ubuntu:/home/wenjing$ cat ~/.ssh/id_rsa.pub >> ~/.ssh/authorized_keys
登陆ssh
hadoop@ubuntu:/home/wenjing$ ssh localhostWelcome to Ubuntu 12.04.4 LTS (GNU/Linux 3.11.0-15-generic i686) * Documentation: https://help.ubuntu.com/New release '14.04.1 LTS' available.Run 'do-release-upgrade' to upgrade to it.Last login: Tue Feb 23 23:35:55 2016 from localhost
退出 exit
hadoop@ubuntu:~$ exitlogoutConnection to localhost closed.
6.安装java jdk
本人离线下载到/opt/jdk1.8.0_73
查看是否安装成功
hadoop@ubuntu:/home/wenjing$ java -versionjava version "1.8.0_73"Java(TM) SE Runtime Environment (build 1.8.0_73-b02)Java HotSpot(TM) Client VM (build 25.73-b02, mixed mode)
7.安装hadoop-1.2.1
下载并解压hadoop到/opt/hadoop-1.2.18.配置环境变量
进入hadoop文件夹并打开配置文件
hadoop@ubuntu:/opt/hadoop-1.2.1$ sudo gedit conf/hadoop-env.sh
增加如上代码
9.验证是否安装成功
wenjing@ubuntu:/opt/hadoop-1.2.1$ ./bin/hadoop versionHadoop 1.2.1Subversion https://svn.apache.org/repos/asf/hadoop/common/branches/branch-1.2 -r 1503152Compiled by mattf on Mon Jul 22 15:23:09 PDT 2013From source with checksum 6923c86528809c4e7e6f493b6b413a9aThis command was run using /opt/hadoop-1.2.1/hadoop-core-1.2.1.jar
1 0
- 【hadoop】 1003-hadoop安装
- hadoop安装之-hadoop
- [Hadoop]Hadoop安装
- 【hadoop】hadoop安装篇
- hadoop安装
- 安装hadoop
- hadoop安装
- Hadoop安装
- hadoop 安装
- Hadoop 安装
- hadoop安装
- hadoop 安装
- Hadoop 安装
- hadoop安装
- Hadoop安装
- hadoop安装
- 安装hadoop
- Hadoop安装
- bzoj1180
- android ImageSwitcher
- 虚拟主机 部署mvc + silverlight流程与要点 (下)
- 使用universalimageloader实现viewpager加载网络图片轮显
- data-options的移除验证(easyui validatebox中移除验证)
- Hadoop安装
- Watchmen (Codeforces Round #345 (Div. 2) C)
- ORACLE管理-实用sql
- caffe 的layer的参数说明
- 快速排序、基准元的选取及其优化
- Java中整型的缓存机制
- hdu1003 Max Sum
- 容斥原理
- Android Service大总结