hadoop安装配置启动.docxVIP

 HYPERLINK /u013378306/article/detailshadoop 安装配置启动 1. Ubuntu12.04基本设置 ? ?? ?1) 设置与Windows共享(通过hgfs)? ?2) 设置root密码? ? ? sudo passwd root? ?3) 设置root登录? ? ? vim /etc/lightdm/lightdm.conf? ? ? 在最后添加一行：greeter-show-manual-login=true? ?3) #adduser test ?? ? ? #passwd test? ? ? #mkdir -p /home/test? ?4) 查看我是谁? ? ? whoami 2. 安装组件 ? ?$ sudo apt-get install ssh? ?$ sudo apt-get install rsync 3. 下载解压JDK (1.7)至/opt目录下 4. 下载解压Hadoop (2.6.4)/opt目录下 5. 增加JDK和Hadoop Path到/root/.bashrc和当用户的~/.bashrc中 [html]? HYPERLINK /myarrow/article/details\o view plain \t _blank view plain? HYPERLINK /myarrow/article/details\o copy \t _blank copy ? ? export?JAVA_HOME=/opt/jdk1.7.0_79?? export?HADOOP_HOME=/opt/hadoop-2.6.4?? export?PATH=$PATH:$JAVA_HOME/bin:$HADOOP_HOME/bin:$HADOOP_HOME/sbin?? ?? #?improve?Could?not?resolve?hostname?library:?Name?or?service?not?known?? export?HADOOP_COMMON_LIB_NATIVE_DIR=$HADOOP_HOME/lib/native?? export?HADOOP_OPTS=-Djava.library.path=$HADOOP_HOME/lib/native?? ? ? ? ? ??如果把HADOOP_OPTS配置为： [html]? HYPERLINK /myarrow/article/details\o view plain \t _blank view plain? HYPERLINK /myarrow/article/details\o copy \t _blank copy ? ? HADOOP_OPTS=-Djava.library.path=$HADOOP_HOME/lib?? ? ? ??则会出现如下错误：? ? ? ? [html]? HYPERLINK /myarrow/article/details\o view plain \t _blank view plain? HYPERLINK /myarrow/article/details\o copy \t _blank copy ? ? WARN?util.NativeCodeLoader:?Unable?to?load?native-hadoop?library?for?your?platform...?using?builtin-java?classes?where?applicable??  6. hadoop_env.sh (JAVA_HOME, HADOOP_PREFIX) [html]? HYPERLINK /myarrow/article/details\o view plain \t _blank view plain? HYPERLINK /myarrow/article/details\o copy \t _blank copy ? ? #?set?to?the?root?of?your?Java?installation?? export?JAVA_HOME=/opt/jdk1.7.0_79?? ?? #?Assuming?your?installation?directory?is?/opt/hadoop-2.6.4?? export?HADOOP_PREFIX=/opt/hadoop-2.6.4?? ?