OS -** Ubuntu Lucid** Processor **- x64**
Download the ec2-api tools from the amazon site
Downloaded jre1.7.0_x64 from the java site
Steps to install JAVA JRE #add-apt-repository ppa:sun-java-community-team/sun-java6 #apt-get update #apt-cache search java [to know the latest jre/jdk]* **#apt-get install sun-java6-jre** **java is installed into /usr/lib/jvm/java-6-sun-1.6.0.21/**
To check successful java installation #java -version
Setting up variables #export JAVA_HOME=/usr/lib/jvm/java-6-sun-1.6.0.21 [put it in /etc/profiles]
Another Check $JAVA_HOME/bin/java -version
Now the prequisites are done . So comming back to the ec2-api tools #export EC2_HOME=/usr/local/ec2-api-tools-1.5.5.0 [path where i unzipped it , also mention this in /etc/profile]
#export PATH=$PATH:$EC2_HOME/bin [put it in /etc/profile too]
#export EC2_PRIVATE_KEY=/EC2_API_Certs/pk-47O.pem
#export EC2_CERT=/EC2_API_Certs/cert-4GV.pem