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First, the hardware environment Hadoop build system environment: A Linux ubuntu-13.04-desktop-i386 system, both do namenode, and do datanode. (Ubuntu system built on the hardware virtual machine) Hadoop installation target version: Hadoop1.2.1 JDK installation version: jdk-7u40-linux-i586 Pig installation version: pig-0.11.1 Hardware virtual machine Erection Environment: IBM Tower ...

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 addition, Apache open url_rewrite Expansion, PHP open curl,soap,imagick,mb_string,mysql,mysqli expansion and so on. First step, install http://www.aliyun.com/zixun/aggregation/14417.html ">apache2 download httpd-2.0.59.tar.gz, execute sudo tar xzvf httpd-2 ....

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 ...

When it comes to Hadoop has to say cloud computing, I am here to say the concept of cloud computing, in fact, Baidu Encyclopedia, I just copy over, so that my Hadoop blog content does not appear so monotonous, bone feeling. 　　Cloud computing has been particularly hot this year, and I'm a beginner, writing down some of the experiences and processes I've taught myself about Hadoop. Cloud computing (cloud computing) is an increase, use, and delivery model of internet-based related services, often involving the provision of dynamically scalable and often virtualized resources over the Internet. The Cloud is ...

Earlier, we were already running Hadoop on a single machine, but we know that Hadoop supports distributed, and its advantage is that it is distributed, so let's take a look at the environment. Here we use a strategy to simulate the environment. We use three Ubuntu machines, one for the master and the other two for the slaver. At the same time, this host, we use the first chapter to build a good environment. We use the steps similar to the first chapter to operate: 1, the operating environment to take ...

First, part of the local source of the production: usually apt or new installation software, download the Deb file will be stored in the/var/cache/apt/archives/, in order to reload or to others, especially when there is no network, these Deb files can actually be sent to use, That is, you can use these Deb production cost source below to give a feasible and practical part of local source production steps: 1 sudo apt install nautilus-open-terminal dp ...

&http://www.aliyun.com/zixun/aggregation/37954.html ">nbsp; Installing NVIDIA drivers in Ubuntu using official installation software, such as no Ubuntu package, can be a hassle. Specifically, you will find that all OpenGL applications will start with a segment error. This often happens after a reboot, say, when you use an official installation ...

One complaint about plasma is that you can't remove the annoying cashew nuts icon. Next, I discuss plasma's infamous "cashew" icon. It was a simple guide to removing cashews. You may need to KDE4.1 or update and understand the use of some terminals. Panel cashew Nuts Remove Panel, you can choose to "lock parts", this option can be found in many places, such as the right desktop, or the top right corner of the "Cashew" menu &http://www.aliyun.com/zixu ...

The cloud infrastructure, such as Amazon EC2, has proven its value worldwide, and its ease of scaling, out-of-the-way, on-time billing, and so on, has freed developer creativity more thoroughly, but don't overlook the virtualized environment that was once considered a performance killer for applications and databases. Despite the performance aspect, cloud vendors have been looking for ways to improve, but as users of us, our own performance optimization tools are also essential. On the entity server, Aerospike has shown the peak of the million TPS, and now we are dedicated to improving the performance of cloud applications ...