\u672c\u6587\u5c06\u5e2e\u52a9\u4f60\u9010\u6b65\u5728 CentOS \u4e0a\u5b89\u88c5 hadoop \u5e76\u914d\u7f6e\u5355\u8282\u70b9 hadoop \u96c6\u7fa4\u3002<\/p>\n

\u5b89\u88c5 Java<\/strong><\/div>\n
\u5728\u5b89\u88c5 hadoop \u4e4b\u524d\uff0c\u8bf7\u786e\u4fdd\u4f60\u7684\u7cfb\u7edf\u4e0a\u5b89\u88c5\u4e86 Java\u3002\u4f7f\u7528\u6b64\u547d\u4ee4\u68c0\u67e5\u5df2\u5b89\u88c5 Java \u7684\u7248\u672c\u3002<\/p>\n
java -version\r\njava version \"1.7.0_75\"\r\nJava(TM) SE Runtime Environment (build 1.7.0_75-b13)\r\nJava HotSpot(TM) 64-Bit Server VM (build 24.75-b04, mixed mode)\r\n<\/pre>\n
\u8981\u5b89\u88c5\u6216\u66f4\u65b0 Java\uff0c\u8bf7\u53c2\u8003\u4e0b\u9762\u9010\u6b65\u7684\u8bf4\u660e\u3002<\/p>\n
\u7b2c\u4e00\u6b65\u662f\u4ece Oracle \u5b98\u65b9\u7f51\u7ad9\u4e0b\u8f7d\u6700\u65b0\u7248\u672c\u7684 java\u3002<\/p>\n
cd \/opt\/\r\nwget --no-cookies --no-check-certificate --header \"Cookie: gpw_e24=http%3A%2F%2Fwww.oracle.com%2F; oraclelicense=accept-securebackup-cookie\" \"http:\/\/download.oracle.com\/otn-pub\/java\/jdk\/7u79-b15\/jdk-7u79-linux-x64.tar.gz\"\r\ntar xzf jdk-7u79-linux-x64.tar.gz<\/pre>\n
\u9700\u8981\u8bbe\u7f6e\u4f7f\u7528\u66f4\u65b0\u7248\u672c\u7684 Java \u4f5c\u4e3a\u66ff\u4ee3\u3002\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u6765\u6267\u884c\u6b64\u64cd\u4f5c\u3002<\/p>\n
cd \/opt\/jdk1.7.0_79\/\r\nalternatives --install \/usr\/bin\/java java \/opt\/jdk1.7.0_79\/bin\/java 2\r\nalternatives --config java\r\nThere are 3 programs which provide 'java'.\r\nSelection Command\r\n-----------------------------------------------\r\n* 1 \/opt\/jdk1.7.0_60\/bin\/java\r\n+ 2 \/opt\/jdk1.7.0_72\/bin\/java\r\n3 \/opt\/jdk1.7.0_79\/bin\/java\r\nEnter to keep the current selection[+], or type selection number: 3 [Press Enter]\r\n<\/pre>\n
\u73b0\u5728\u4f60\u53ef\u80fd\u8fd8\u9700\u8981\u4f7f\u7528 alternatives \u547d\u4ee4\u8bbe\u7f6e javac \u548c jar \u547d\u4ee4\u8def\u5f84\u3002<\/p>\n
alternatives --install \/usr\/bin\/jar jar \/opt\/jdk1.7.0_79\/bin\/jar 2\r\nalternatives --install \/usr\/bin\/javac javac \/opt\/jdk1.7.0_79\/bin\/javac 2\r\nalternatives --set jar \/opt\/jdk1.7.0_79\/bin\/jar\r\nalternatives --set javac \/opt\/jdk1.7.0_79\/bin\/javac\r\n<\/pre>\n
\u4e0b\u4e00\u6b65\u662f\u914d\u7f6e\u73af\u5883\u53d8\u91cf\u3002\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u6b63\u786e\u8bbe\u7f6e\u8fd9\u4e9b\u53d8\u91cf\u3002<\/p>\n
\u8bbe\u7f6e JAVA_HOME \u53d8\u91cf\uff1a<\/p>\n
export JAVA_HOME=\/opt\/jdk1.7.0_79<\/pre>\n
\u8bbe\u7f6e JRE_HOME \u53d8\u91cf\uff1a<\/p>\n
export JRE_HOME=\/opt\/jdk1.7.0_79\/jre<\/pre>\n
\u8bbe\u7f6e PATH \u53d8\u91cf\uff1a<\/p>\n
export PATH=$PATH:\/opt\/jdk1.7.0_79\/bin:\/opt\/jdk1.7.0_79\/jre\/bin<\/pre>\n
\u5b89\u88c5 Apache Hadoop<\/strong><\/div>\n
\u8bbe\u7f6e\u597d java \u73af\u5883\u540e\u3002\u5f00\u59cb\u5b89\u88c5 Apache Hadoop\u3002<\/p>\n
\u7b2c\u4e00\u6b65\u662f\u521b\u5efa\u7528\u4e8e hadoop \u5b89\u88c5\u7684\u7cfb\u7edf\u7528\u6237\u5e10\u6237\u3002<\/p>\n
useradd hadoop\r\npasswd hadoop<\/pre>\n
\u73b0\u5728\u4f60\u9700\u8981\u914d\u7f6e\u7528\u6237 hadoop \u7684 ssh \u5bc6\u94a5\u3002\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u542f\u7528\u65e0\u9700\u5bc6\u7801\u7684 ssh \u767b\u5f55\u3002<\/p>\n
su - hadoop\r\nssh-keygen -t rsa\r\ncat ~\/.ssh\/id_rsa.pub >> ~\/.ssh\/authorized_keys\r\nchmod 0600 ~\/.ssh\/authorized_keys\r\nexit<\/pre>\n
\u73b0\u5728\u4ece\u5b98\u65b9\u7f51\u7ad9 hadoop.apache.org \u4e0b\u8f7d hadoop \u6700\u65b0\u7684\u53ef\u7528\u7248\u672c\u3002<\/p>\n
cd ~\r\nwget http:\/\/apache.claz.org\/hadoop\/common\/hadoop-2.6.0\/hadoop-2.6.0.tar.gz\r\ntar xzf hadoop-2.6.0.tar.gz\r\nmv hadoop-2.6.0 hadoop<\/pre>\n
\u4e0b\u4e00\u6b65\u662f\u8bbe\u7f6e hadoop \u4f7f\u7528\u7684\u73af\u5883\u53d8\u91cf\u3002<\/p>\n
\u7f16\u8f91 ~\/.bashrc\uff0c\u5e76\u5728\u6587\u4ef6\u672b\u5c3e\u6dfb\u52a0\u4ee5\u4e0b\u8fd9\u4e9b\u503c\u3002<\/p>\n
export HADOOP_HOME=\/home\/hadoop\/hadoop\r\nexport HADOOP_INSTALL=$HADOOP_HOME\r\nexport HADOOP_MAPRED_HOME=$HADOOP_HOME\r\nexport HADOOP_COMMON_HOME=$HADOOP_HOME\r\nexport HADOOP_HDFS_HOME=$HADOOP_HOME\r\nexport YARN_HOME=$HADOOP_HOME\r\nexport HADOOP_COMMON_LIB_NATIVE_DIR=$HADOOP_HOME\/lib\/native\r\nexport PATH=$PATH:$HADOOP_HOME\/sbin:$HADOOP_HOME\/bin<\/pre>\n
\u5728\u5f53\u524d\u8fd0\u884c\u73af\u5883\u4e2d\u5e94\u7528\u66f4\u6539\u3002<\/p>\n
source ~\/.bashrc<\/pre>\n
\u7f16\u8f91 $HADOOP_HOME\/etc\/hadoop\/hadoop-env.sh \u5e76\u8bbe\u7f6e JAVA_HOME \u73af\u5883\u53d8\u91cf\u3002<\/p>\n
export JAVA_HOME=\/opt\/jdk1.7.0_79\/<\/pre>\n
\u73b0\u5728\uff0c\u5148\u4ece\u914d\u7f6e\u57fa\u672c\u7684 hadoop \u5355\u8282\u70b9\u96c6\u7fa4\u5f00\u59cb\u3002<\/p>\n
\u9996\u5148\u7f16\u8f91 hadoop \u914d\u7f6e\u6587\u4ef6\u5e76\u8fdb\u884c\u4ee5\u4e0b\u66f4\u6539\u3002<\/p>\n
cd \/home\/hadoop\/hadoop\/etc\/hadoop<\/pre>\n
\u8ba9\u6211\u4eec\u7f16\u8f91 core-site.xml\u3002<\/p>\n
fs.default.name\r\nhdfs:\/\/localhost:9000<\/pre>\n
\u63a5\u7740\u7f16\u8f91 hdfs-site.xml\uff1a<\/p>\n
dfs.replication\r\n1\r\ndfs.name.dir\r\nfile:\/\/\/home\/hadoop\/hadoopdata\/hdfs\/namenode\r\ndfs.data.dir\r\nfile:\/\/\/home\/hadoop\/hadoopdata\/hdfs\/datanode\r\n<\/pre>\n
\u5e76\u7f16\u8f91 mapred-site.xml\uff1a<\/p>\n
mapreduce.framework.name\r\nyarn<\/pre>\n
\u6700\u540e\u7f16\u8f91 yarn-site.xml\uff1a<\/p>\n
yarn.nodemanager.aux-services\r\nmapreduce_shuffle<\/pre>\n
\u73b0\u5728\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u683c\u5f0f\u5316 namenode\uff1a<\/p>\n
hdfs namenode -format<\/pre>\n
\u8981\u542f\u52a8\u6240\u6709 hadoop \u670d\u52a1\uff0c\u8bf7\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n
cd \/home\/hadoop\/hadoop\/sbin\/\r\nstart-dfs.sh\r\nstart-yarn.sh<\/pre>\n
\u8981\u68c0\u67e5\u6240\u6709\u670d\u52a1\u662f\u5426\u6b63\u5e38\u542f\u52a8\uff0c\u8bf7\u4f7f\u7528 jps \u547d\u4ee4\uff1a<\/p>\n
jps<\/pre>\n
\u4f60\u5e94\u8be5\u770b\u5230\u8fd9\u6837\u7684\u8f93\u51fa\u3002<\/p>\n
26049 SecondaryNameNode\r\n25929 DataNode\r\n26399 Jps\r\n26129 JobTracker\r\n26249 TaskTracker\r\n25807 NameNode<\/pre>\n
\u73b0\u5728\uff0c\u4f60\u53ef\u4ee5\u5728\u6d4f\u89c8\u5668\u4e2d\u8bbf\u95ee Hadoop \u670d\u52a1\uff1ahttp:\/\/your-ip-address:8088\/<\/a> \u3002
\n $\"\"$ <\/p>\n
hadoop<\/p>\n
\n
via: https:\/\/www.unixmen.com\/setup-apache-hadoop-centos\/<\/a><\/p>\n
\u4f5c\u8005\uff1a anismaj<\/a> \u8bd1\u8005\uff1a geekpi<\/a> \u6821\u5bf9\uff1a wxy<\/a><\/p>\n
\u672c\u6587\u7531 LCTT<\/a> \u539f\u521b\u7f16\u8bd1\uff0c Linux\u4e2d\u56fd<\/a> \u8363\u8a89\u63a8\u51fa<\/p>\n
<\/p>\n
\n
\u539f\u6587\u6765\u81ea\uff1a https:\/\/linux.cn\/article-8775-1.html<\/a><\/p>\n
\u672c\u6587\u5730\u5740\uff1a http:\/\/lrxjmw.cn\/centos-apache-hadoop.html<\/a>\u7f16\u8f91\uff1a\u9ad8\u519b\uff0c\u5ba1\u6838\u5458\uff1a\u9004\u589e\u5b9d<\/span><\/p>\n<\/blockquote>\n","protected":false},"excerpt":{"rendered":"
\u5bfc\u8bfb Apache Hadoop \u8f6f\u4ef6\u5e93\u662f\u4e00\u4e2a\u6846\u67b6\uff0c\u5b83\u5141\u8bb8\u4f7f\u7528\u7b80\u5355\u7684\u7f16\u7a0b\u6a21\u578b\u5728\u8ba1\u7b97\u673a\u96c6\u7fa4\u4e0a\u5bf9\u5927\u578b\u6570\u636e\u96c6\u8fdb\u884c\u5206\u5e03 […]<\/p>\n","protected":false},"author":63,"featured_media":81041,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[55],"tags":[],"class_list":["post-81038","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-thread"],"acf":[],"_links":{"self":[{"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/posts\/81038","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/users\/63"}],"replies":[{"embeddable":true,"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/comments?post=81038"}],"version-history":[{"count":3,"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/posts\/81038\/revisions"}],"predecessor-version":[{"id":81066,"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/posts\/81038\/revisions\/81066"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/media\/81041"}],"wp:attachment":[{"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/media?parent=81038"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/categories?post=81038"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/tags?post=81038"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}