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Java and Cassandra setup on an AWS Linux server

Java 7 Setup

# First verify the version of Java being used is not Oracle JDK.
java -version

# Get the latest JDK 7 from Oracle http://www.oracle.com/technetwork/java/javase/downloads/
wget http://download.oracle.com/otn-pub/java/jdk/XXXXXX/jdk-7u71-linux-x64.rpm
# Install Java
sudo rpm -i jdk-7u71-linux-x64.rpm
# Check if the default java version is set to Oracle jdk
java -version

# If not then lets create one more alternative for Java for Oracle JDK
sudo /usr/sbin/alternatives --install /usr/bin/java java /usr/java/jdk1.7.0_71/bin/java 20000
# Set the Oracle JDK as the default java
sudo /usr/sbin/alternatives --config java

# Verify if change in SDK was done. 58 more words

Solution for Riak 500 Internal Server Error

I am new to Riak and learning it. Few days ago, I got 500 Internal Server Error exception while inserting data in a Riak bucket. It was weird because I was able to insert same data in different bucket. 339 more words


gocanvas and the case of the missing Relations

gocanvas.com is great : you can create form apps for your business without programming.

Replacing paper with mobile touchscreen and having your data in the cloud is such a big win… BUT there are a couple of crucial missing pieces that are vital to business  : 466 more words