I\'m working with Ubuntu 12.04 LTS.
I\'m going through the hadoop quickstart manual to make a pseudo-distributed operation. It seems simple and straightforward (eas
echo "export JAVA_HOME=/usr/lib/java" >> $HADOOP_HOME/etc/hadoop/hadoop-env.sh
Notice: Do not use export JAVA_HOME=${JAVA_HOME} !
export JAVA_HOME=${JAVA_HOME}