(防止发生ui界面无法登陆)
#关闭防火墙 service iptables stop #查看防火墙开机启动状态 chkconfig iptables --list #关闭防火墙开机启动 chkconfig iptables off
(可以直接运行下面代码)
#create a director hadoop mkdir /hadoop #tar pakage tar -xzvf hadoop-2.7.0.tar.gz -C /hadoop/ tar -xzvf jdk-8u65-linux-x64.tar.gz -C /hadoop/ tar -xvf hadoop-native-64-2.7.0.tar -C /hadoop/hadoop-2.7.0/lib/native/ #add enviromnet variable echo 'export JAVA_HOME=/hadoop/jdk1.8.0_65' >> /etc/profile echo 'export HADOOP_HOME=/hadoop/hadoop-2.7.0' >> /etc/profile echo 'export PATH=$PATH:$JAVA_HOME/bin:$HADOOP_HOME/bin' >> /etc/profile source /etc/profile
文件都在 /hadoop/hadoop-2.7.0/etc/hadoop
export JAVA_HOME=/hadoop/jdk1.8.0_65
<configuration> <property> <name>fs.defaultFS</name> <value>hdfs://localhost:9000</value> </property> <property> <name>hadoop.tmp.dir</name> <value>/hadoop/hadoop-2.7.0/tmp</value> </property> </configuration>
<configuration> <property> <name>dfs.replication</name> <value>2</value> </property> </configuration>
<configuration> <!-- 指定mr运行在yarn上 --> <property> <name>mapreduce.framework.name</name> <value>yarn</value> </property> </configuration>
<configuration> <property> <name>yarn.resourcemanager.hostname</name> <value>localhost</value> </property> <property> <name>yarn.nodemanager.aux-services</name> <value>mapreduce_shuffle</value> </property> </configuration>
hdfs namenode -format
#启动namenode和yarn cd /hadoop/hadoop-2.7.0/ sbin/start-dfs.sh sbin/start-yarn.sh若没有配置免登陆,请多次输入密码
[root@jop hadoop-2.7.0]# jps 3056 DataNode 2961 NameNode 3237 SecondaryNameNode 3343 Jps
附件下载地址链接:http://pan.baidu.com/s/1o7FkPho 密码:oblr
(内附了在centos6下一键安装hadoop2.7.0的压缩包hadoop_one_install.zip)