useebao的专栏

1.rpm -ivh hadoop-1.0.1-1.i386.rpm安装目录/usr/share/hadoop2.配置文件目录/etc/hadoop修改hadoop-env.sh，JAVA_HOME=/usr/jdk1.6.0_24/如果是single-node模式，编辑下面三个文件：conf/core-site.xml: ...

1.拷贝文件，注意端口号hadoop jar first-hadoop-0.0.1-SNAPSHOT.jar ch03.FileCopyWithProgress Hello.class hdfs://localhost:9000/user/a.txt或hadoop jar first-hadoop-0.0.1-SNAPSHOT.jar ch03.FileCopyWithProg...

摘要[root@localhost classes]# hadoop jar first-hadoop-0.0.1-SNAPSHOT.jar hello.Hello12/04/16 10:41:26 WARN mapred.JobClient: Use GenericOptionsParser for parsing the arguments. Applications should i...

[root@localhost ~]# hadoop fsUsage: java FsShell [-ls ] [-lsr ] [-du ] [-dus ] [-count[-q] ] [-mv ] [-cp ] ...