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  Build Hadoop environment in Linux

Hadoop standalone installation:1. Install JDKInstall JDK with below command:sudo apt-get install sun-java6-jdkConfigure Java environment, open /etc/profile, add below contents:export JAVA_HOME = (Java installation directory)export CLASSPATH =".:$JAVA_HOME/lib:$CLASSPATH"export PATH = "$JAVA_HOME/:PATH"Verify installation of JavaType java --version, if it outputs Java version information, then Java is successfully installed.2. Install SSHInstall SSH with below command:sudo apt-get install sshConfigure SSH to login to local PC without password:ssh-keygen -t rsa -P '' -f ~/.ssh/id_rsaP...

4,525 1       CONFIGURATION HADOOP.LINUX


  Samsung announces Galaxy S III mini

Samsung announces Galaxy S III mini today, compared to Galaxy S III, the mini version has some changes in screen size and configurations.Below are the detail configurations of Galaxy S III mini:4-inch screen800 × 480 resolution5-megapixel primary camera, VGA front camera1GHz dual-core processorAndroid 4.1 operating systemSupport the Samsung S Voice Personal Assistant, NFC and S Beam transmission function1GB RAM, two versions with 8GB and 16GB memory, expandable to 32GB with microSD cardSamsung doesn't unveril the price and sale date for Galaxy S III mini.Actually I don't understand why S...

2,984 0       CONFIGURATION GALAXY S III MINI


  Subdomain Configuration

Subdomain ConfigurationA subdomain configuration is very similar to a domain name configuration. The only difference is that the subdomain entry is tied to the corresponding domain name lookup. A request for the subdomain (e.g. http://content.websitegear.com) will be routed to a DNS server containing the DNS information for the parent domain (websitegear.com). Once the DNS record for the subdomain is resolved to a particular IP address, the request is sent to the web server listening on that IP address. The web server can now delegate the request to the particular website based on the subdomai...

13,362 0       SETUP DOMAIN SUBDOMAIN CONFIGURATION