1 总结经验
2 传播分享
3 专业化测试
Hadoop安装教程_Hadoop2.7.3/Ubuntu
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参考:
http://www.powerxing.com/linux-environment-variable/
http://blog.sina.com.cn/s/blog_a001e5980102vqk2.html
http://www.powerxing.com/install-hadoop-cluster/
http://www.cnblogs.com/shijiaoyun/p/5796819.html
Web UIs for the Common User
The default Hadoop ports are as follows:
| Daemon | Default Port | Configuration Parameter |
---|
HDFS | Namenode | 50070 | dfs.http.address |
Datanodes | 50075 | dfs.datanode.http.address |
Secondarynamenode | 50090 | dfs.secondary.http.address |
Backup/Checkpoint node? | 50105 | dfs.backup.http.address |
MR | Jobracker | 50030 | mapred.job.tracker.http.address |
Tasktrackers | 50060 | mapred.task.tracker.http.address |
遇见的问题:
配置环境变量:
步骤1 :vim ~/.bashrc
步骤2 :
export JAVA_HOME=/usr/lib/jvm/java-7-openjdk-amd64
export JRE_HOME=$JAVA_HOME/jre
export CLASSPATH=.:$JAVA_HOME/lib:$JRE_HOME/lib:$CLASSPATH
export HADOOP_HOME=/opt/hadoop273
export PATH=$JAVA_HOME/bin:$JRE_HOME/bin:$HADOOP_HOME/bin:$PATH
步骤3 ::wq
步骤4 :
source ~/.bashrc
遇见的问题:
apt-get update
W: 无法下载 bzip2:/var/lib/apt/lists/partial/ppa.launchpad.net_fcitx-team_ni校验和不符
解决办法:
- cd /etc/apt/sources.list.d
- 删除对应的源rm -rf xxx
- apt-get update
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