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In this issue of Java Development 2.0, Andrew Glover describes how to develop and deploy for Amazon elastic Compute Cloud (EC2). Learn about the differences between EC2 and Google App Engine, and how to quickly build and run a simple EC2 with the Eclipse plug-in and the concise Groovy language ...

What we want to does in this short tutorial, I'll describe the required tournaments for setting up a single-node Hadoop using the Hadoop distributed File System (HDFS) on Ubuntu Linux. Are lo ...

In the past few years, the innovative development of the open source world has elevated the productivity of Java™ developers to one level. Free tools, frameworks and solutions make up for once-scarce vacancies. The Apache CouchDB, which some people think is a WEB 2.0 database, is very promising. It's not difficult to master CouchDB, it's as simple as using a Web browser. This issue of Java open ...

Excelsior JET is an enhanced Java Virtual machine with advanced compilers and deployment kits. It works with Java-compatible Windows and Linux x86 hardware, and its optimizer can transform classes and jar files into high-performance binary executables. Its operating environment includes the sun implementation of the authorized Java API, as well as http://www.aliyun.com/zixun/aggregation/16544.html ">exc ...

Intermediary transaction SEO troubleshooting Taobao guest Cloud host technology Hall based on the forum system Juteforum well-known, BBS is in the Internet as a necessary to do the site, I am afraid that each of the Internet friends have been on the BBS, to other people's Forum irrigation water or communication technology, at the same time perhaps because you have a special The characteristics of the industry, I hope to set up a professional forum for your friends, peers, as well as the national staff to participate in technical exchanges. &n ...

The easiest way to install the JDK under Ubuntu is to use the APT install command, but the JDK installed is often not the latest version, and to install the latest JDK you need to go to Sun's http://www.aliyun.com/zixun/ aggregation/11307.html "> Download the official website. But the Sun's website has only rpm and bin two formats, and there is no Deb format used by Ubuntu, which requires us to use the Ubuntu conversion ...

Take the XX data file from the FTP host. 　　Tens not just a concept, represents data that is equal to tens of millions or more than tens of millions of data sharing does not involve distributed collection and storage and so on. Is the processing of data on a machine, if the amount of data is very large, you can consider distributed processing, if I have this experience, will be in time to share. 　　1, the application of the FTP tool, 2, tens the core of the FTP key parts-the list directory to the file, as long as this piece is done, basically the performance is not too big problem. You can pass a ...

Note: Because the Hadoop remote invocation is RPC, the Linux system must turn off the Firewall service iptables stop 1.vi/etc/inittabid:5:initdefault: Change to Id:3:initdefault : That is, the character-type boot 2.ip configuration:/etc/sysconfig/network-scripts/3.vi/etc/hosts,add hos ...

Excelsior jet is an enhanced Java Virtual machine with advance compilers and deployment kits. It works with Java-compatible Windows and Linux x86 hardware, and its optimizer can transform classes and jar files into high-performance binary executables. Its operating environment includes the sun implementation of the authorized Java API, as well as http://www.aliyun.com/zixun/aggregation/16544.html ">exce ...

Scientific Linux is a recompiled red Hat Enterprise Linux, developed jointly by the Fermi National Accelerator Laboratory and the European Organization for Nuclear Research (http://www.aliyun.com/zixun/aggregation/38733.html ">cern"). Although it is designed to be fully compatible with red Hat Enterprise Linux, it also provides an additional, revenue-free package for upstream products ...