Hadoop2.5 64bit安装

# systemctl status firewalld.service  --查看防火墙状态
# systemctl stop firewalld.service    --关闭防火墙
# systemctl disable firewalld.service --永久关闭防火墙

# systemctl status sshd.service  --查看ssh状态
# yum install openssh-server openssh-clients

# yum -y install vim

# vim /etc/sysconfig/network-scripts/ifcfg-eno16777736

# vim /etc/sysconfig/network

# vim /etc/hosts

# hostnamectl set-hostname master    (CentOS7 下原有的修改host方法无效了)

# useradd hadoop --创建用户名为hadoop的用户# passwd hadoop  --为用户hadoop设置密码

# su hadoop --切换到hadoop用户$ cd ~      --打开用户文件夹
$ ssh-keygen -t rsa -P '' --生成密码对，/home/hadoop/.ssh/id_rsa和/home/hadoop/.ssh/id_rsa.pub
$ cat ~/.ssh/id_rsa.pub >> ~/.ssh/authorized_keys        --把id_rsa.pub追加到授权的key里面去
$ chmod 600 ~/.ssh/authorized_keys        --修改权限
$ su  --切换到root用户# vim /etc/ssh/sshd_config   --修改ssh配置文件
 RSAAuthentication yes #启用RSA认证
 PubkeyAuthentication yes #启用公钥私钥配对认证方式
 AuthorizedKeysFile .ssh/authorized_keys #公钥文件路径
# su hadoop --切换到hadoop用户
$ scp ~/.ssh/id_rsa.pub hadoop@192.168.1.8:~/                --把公钥复制所有的Slave机器上

 # su hadoop --切换到hadoop用户
 $ mkdir ~/.ssh
 $ chmod 700 ~/.ssh
 $ cat ~/id_rsa.pub >> ~/.ssh/authorized_keys                --追加到授权文件"authorized_keys"
 $ chmod 600 ~/.ssh/authorized_keys                          --修改权限
 $ su --切换回root用户 # vim /etc/ssh/sshd_config   --修改ssh配置文件
  RSAAuthentication yes #启用RSA认证
  PubkeyAuthentication yes #启用公钥私钥配对认证方式
  AuthorizedKeysFile .ssh/authorized_keys #公钥文件路径

# rpm -ivh jdk-7u67-linux-x64.rpm

# vim /etc/profile
 export JAVA_HOME=/usr/java/jdk1.7.0_67 
 export PATH=$PATH:$JAVA_HOME/bin
# source profile --修改生效

# yum install maven svn ncurses-devel gcc* lzo-devel zlib-devel autoconf automake libtool cmake openssl-devel

# tar zxvf apache-ant-1.9.4-bin.tar.gz# vim /etc/profile
 export ANT_HOME=/usr/local/apache-ant-1.9.4
 export PATH=$PATH:$ANT_HOME/bin

# tar zxvf findbugs-3.0.0.tar.gz# vim /etc/profile
 export FINDBUGS_HOME=/usr/local/findbugs-3.0.0
 export PATH=$PATH:$FINDBUGS_HOME/bin

# tar zxvf protobuf-2.5.0.tar.gz(必须是2.5.0版本的，不然编译hadoop的时候报错)
# cd protobuf-2.5.0
# ./configure --prefix=/usr/local
# make && make install

# tar zxvf hadoop-2.5.0-src.tar.gz
# cd hadoop-2.5.0-src
# mvn package -Pdist,native,docs -DskipTests -Dtar

# vim /usr/share/mavem/conf/settings.xml
    
        nexus-osc
        *
        Nexus osc
        http://maven.oschina.net/content/groups/public/
    
    
    jdk17
    
        true
        1.7
    
    
        1.7
        1.7
        1.7
        
        
           
                nexus
                local private nexus
                http://maven.oschina.net/content/groups/public/
                
                    true
                
                
                    false
                
            
         
        
            
                nexus
                local private nexus
                http://maven.oschina.net/content/groups/public/
                
                    true
                
                
                    false

# ./bin/hadoop versionHadoop 2.5.0Subversion Unknown -r Unknown
Compiled by root on 2014-09-12T00:47Z
Compiled with protoc 2.5.0From source with checksum 423dcd5a752eddd8e45ead6fd5ff9a24
This command was run using /usr/hadoop-2.5.0-src/hadoop-dist/target/hadoop-2.5.0/share/hadoop/common/hadoop-common-2.5.0.jar
# file lib//native/*lib//native/libhadoop.a:        
current ar archivelib//native/libhadooppipes.a:   
current ar archivelib//native/libhadoop.so:       
symbolic link to `libhadoop.so.1.0.0'lib//native/libhadoop.so.1.0.0: ELF 64-bit LSB shared object, x86-64, version 1 (SYSV), dynamically linked, BuildID[sha1]=0x972b31264a1ce87a12cfbcc331c8355e32d0e774, not strippedlib//native/libhadooputils.a:   
current ar archivelib//native/libhdfs.a:          
current ar archivelib//native/libhdfs.so:         
symbolic link to `libhdfs.so.0.0.0'lib//native/libhdfs.so.0.0.0:   ELF 64-bit LSB shared object, x86-64, version 1 (SYSV), dynamically linked, BuildID[sha1]=0x200ccf97f44d838239db3347ad5ade435b472cfa, not stripped

# cp -r /usr/hadoop-2.5.0-src/hadoop-dist/target/hadoop-2.5.0 /opt/hadoop-2.5.0
# chown -R hadoop:hadoop /opt/hadoop-2.5.0
# vi /etc/profile
 export HADOOP_HOME=/opt/hadoop-2.5.0
 export PATH=$PATH:$HADOOP_HOME/bin
# su hadoop
$ cd /opt/hadoop-2.5.0
$ mkdir -p dfs/name
$ mkdir -p dfs/data
$ mkdir -p tmp
$ cd etc/hadoop

$ vim slaves
slave1
slave2
slave3

$ vim hadoop-env.sh / vim yarn-env.sh
export JAVA_HOME=/usr/java/jdk1.7.0_67

# cp mapred-site.xml.template mapred-site.xml

$ ./bin/hdfs namenode -format

$ ./sbin/start-dfs.sh
$ ./sbin/start-yarn.sh

http://192.168.1.7:8088http://192.168.1.7:50070