winodws

Preliminary installation The development of Linux is fast, in a short span of several years, not only laid a solid foundation of the network, has become a powerful support for many servers, but also developed into the desktop field. As a network

Since Google launched the Android phone platform, the use of Android as a platform for mobile phones and tablets increasingly popular. The figure below is a chart of the market share of several mainstream smartphone platforms in the United States in

Recently, Vistatweaker on its official homepage is updated to release the latest V0.5 edition. This is a foreign user to make the release of software, completely for Windows Vista system settings adjustment, optimization and management of the system-

first, using Fiddler to simulate the poor network environment   In solving the daily support needs, often encounter some user feedback some can not easily reproduce the bug, a large part of the bug is due to the user's own network environment

The MSI installation of MySQL 5.5.10 always fails and is never passed in the instance configuration, so it can only be installed through archive.1, first download Windows (x86, 64-bit), ZIP Archive installation package.2. Extract to any directory

In fact, I have not done PHP, mainly to make java,tomcat and Java is essentialFirst install the JDK, note that Linux and Winodws jdk is completely different, do not download the wrong.First Yum update updates the softwareJava-version, the new

When talking about network security, people always think of viruses, Trojans, hackers, rogue software, spyware, and even hijacking software. In fact, to ensure system security, pay attention to many system settings that are often ignored, such as

Some gossip during Linux Startup-general Linux technology-Linux technology and application information. The following is a detailed description. I. startup conflict There is often only one cause of startup conflict, and MBR overwrites. For example,

I. Coding principle and implementationUnicode encoding is the basis for implementing Utf-8 and GB series encoding (GB2312, GBK, GB18030), although we can also directly do a utf-8 to these coded comparison table, but very few people will do so,

Without saying much, gadgets require the following: function requirement--automatically perform time synchronization after computer boot Non-functional requirements-simple installation and installation without additional environment First, the code

Let's always use Windows you really experience Linuxfor a better reading experience, see: Yonghao Hu's Blog This article is for the use of Windows environment, by the Microsoft Philosophy" "and" the past I wrote. " I believe a lot of people have

Step1: Installing the SSH client on the Win7 side puttyPutty:http://www.chiark.greenend.org.uk/~sgtatham/putty/download.htmlStep2: Installing xming (x Server) on Win7 sideXming:http://sourceforge.net/projects/xming/files/latest/downloadAfter the

File Path Problems: The path of the local file (linux) must start with file: //, and then add the actual file path. Example: file: // home/myHadoop/test The file path in the cluster starts. Example:/temp/test Command line operation. For example, to

Symptom:After a job is submitted, it is always run on the local machine and cannot be submitted to Hadoop job tracker.Http: // 192.168.1.130: 50030/jobtracker. jsp. The running job cannot be viewed. In the console output: 14/02/15 00:04:20 INFO

1. Start Hadoop Go to the root permission and go to the Hadoop installation directory $ HADOOP_HOME. Run Bin/start-all.sh View hadoop processes in Jps 2. Start eclipse Go to the eclipse installation directory and run eclipse with the root permission

This article describes how to install Hadoop 2.2.0 single node. First prepare a virtual machine, Ubuntu 12.04.4 Java environment: Root @ hm1 :~ # Mvn -- versionApache Maven 3.1.1 (0728685237757ffbf44136acec0402957f723d9a; 15:22:22 + 0000)Maven home:/

It is mysterious to hear from others about Hadoop all the time, but it is only known after reading the introduction that Hadoop is distributed in an all-round way. Now distributed, big data is quite popular, and people have to join in. Let's talk

For the first time, Hadoop was configured on the VM, and three virtual machines were created, one as namenode and jobtracker. The other two machines are used as datanode and tasktracker. After configuration, start the Cluster View cluster status

Recently, the Hadoop cluster deployment method that is not connected via ssh has been abandoned, and the method of ssh key verification has been returned. This is a little troublesome. Each machine must upload a public key. I am a very lazy person,

Build a Hadoop distributed cluster (Environment: Linux virtual machine) 1. Preparations: (Plan the host name, ip address, and usage. Set up three hosts first, and add four hosts dynamically. In the usage column, you can also set namenode,