service cloudera-scm-agent stop
umount /var/run/cloudera-scm-agent/process
rm -rf /usr/share/cmf /var/lib/cloudera* /var/cache/yum/x86_64/6/cloudera* /var/log/cloudera* /var/run/cloudera* /etc/cloudera*
rpm -qa | grep cloudera
for f in `rpm -qa | grep cloudera ` ; do rpm -e ${f} ; done
for f in `rpm -qa | grep oracle-j2sdk1.7 ` ; do rpm -e ${f} ; done
for f in `rpm -qa | grep enterprise-debuginfo ` ; do rpm -e ${f} ; done
rm -rf /var/lib/hadoop-* /var/lib/impala /var/lib/solr /var/lib/zookeeper /var/lib/hue /var/lib/oozie /var/lib/pgsql /var/lib/sqoop2 /data/dfs/ /data/impala/ /data/yarn/ /dfs/ /impala/ /yarn/ /var/run/hadoop-*/ /var/run/hdfs-*/ /usr/bin/hadoop* /usr/bin/zookeeper*
/usr/bin/hbase* /usr/bin/hive* /usr/bin/hdfs /usr/bin/mapred /usr/bin/yarn /usr/bin/sqoop* /usr/bin/oozie /etc/hadoop* /etc/zookeeper* /etc/hive* /etc/hue /etc/impala /etc/sqoop* /etc/oozie /etc/hbase* /etc/hcatalog
rm -rf ` find /var/lib/alternatives/* ! -name "mta" ! -name "print" ! -name "zlibrary-ui" -mtime -3`
rm -rf /etc/alternatives/*
for u in hdfs mapred cloudera-scm hbase hue zookeeper oozie hive impala flume; do sudo kill $(ps -u $u -o pid=); done
rm -rf /opt/cloudera/parcel-cache /opt/cloudera/parcels