Please see these below link, i hope it will help you. https://www.cloudera.com/documentation/enterprise/5-6-x/topics/cm_mc_start_stop_service.html https://www.cloudera.com/documentation/enterprise/5-6-x/topics/cm_mc_abort_command.html#cmug_topic_5_8 ... View more

First please see the status of service using this command sudo service hadoop-hdfs-<service_name> status; ex- sudo service hadoop-hdfs-namenode status; If status is stop , please try to start using below command sudo service hadoop-hdfs-<service_name> start; If it's running , first stop it and again restart this. sudo service hadoop-hdfs-<service_name> stop; sudo service hadoop-hdfs-<service_name> restart;   Hope it will work for you. ... View more