Hadoop May not run daemons as root. Please specify HADOOP_TASKTRACKER_USER
原文地址:http://www.migrate2cloud.com/blog/hadoop-cluster-with-hadoop-0-20-and-ubuntu-10-04HADOOPClusteronAWSEC2withhadoop-0.20andubuntu-10.04Friday,June17th,2011|PostedinAmazonEC2,CloudcomputingLet’sstar