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
# 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.
java -version

Cassandra Setup

Download Cassandra from

  • Unzip/Untar the file apache-cassandra-2.1.0-bin.tar.gz
    • Copy the Cassandra folder apache-cassandra-2.1.0 to /usr/share
  • Edit the file /usr/share/apache-cassandra-2.1.0/conf/cassandra.yaml if necessary
  • Make sure /var/lib/cassandra has sufficient space

Start cassandra using the command:


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