#1.刪除hdp.repo和hdp-util.repo
cd /etc/yum.repos.d/
rm -rf hdp*
rm -rf HDP*
#rm -rf ambari*
#2.刪除安裝包
#用yum list installed | grep HDP來檢查安裝的ambari的包
yum remove -y  sqoop.noarch  
yum remove -y  lzo-devel.x86_64  
yum remove -y  hadoop-libhdfs.x86_64  
yum remove -y  rrdtool.x86_64  
yum remove -y  hbase.noarch  
 
yum remove -y  pig.noarch  
yum remove -y  lzo.x86_64  
yum remove -y  ambari-log4j.noarch  
yum remove -y  oozie.noarch  
yum remove -y  oozie-client.noarch  
yum remove -y  gweb.noarch  
yum remove -y  snappy-devel.x86_64  
yum remove -y  hcatalog.noarch  
yum remove -y  python-rrdtool.x86_64  
yum
 
 remove -y  nagios.x86_64  
yum remove -y  webhcat-tar-pig.noarch  
yum remove -y  snappy.x86_64  
yum remove -y  libconfuse.x86_64    
yum remove -y  webhcat-tar-hive.noarch  
yum remove -y  ganglia-gmetad.x86_64  
yum remove -y  extjs.noarch  
yum remove -y  hive.noarch  
yum remove -y  hadoop-lzo.x86_64  
 
yum remove -y  hadoop-lzo-native.x86_64  
yum remove -y  hadoop-native.x86_64  
yum remove -y  hadoop-pipes.x86_64  
yum remove -y  nagios-plugins.x86_64  
yum remove -y  hadoop.x86_64  
yum remove -y  zookeeper.noarch      
yum remove -y  hadoop-sbin.x86_64  
yum remove -y  ganglia-gmond.x86_64  
yum remove -y  libganglia.x86_64  
yum remove -y  perl-rrdtool.x86_64
yum remove -y  epel-release.noarch
yum remove -y  compat-readline5*
yum remove -y  fping.x86_64
yum remove -y  perl-Crypt-DES.x86_64
yum remove -y  exim.x86_64
yum remove -y ganglia-web.noarch
yum remove -y perl-Digest-HMAC.noarch
yum remove -y perl-Digest-SHA1.x86_64

yum remove -y bigtop-jsvc.x86_64
#3.刪除快捷方式
cd /etc/alternatives
rm -rf hadoop-etc 
rm -rf zookeeper-conf 
rm -rf hbase-conf 
rm -rf hadoop-log 
rm -rf hadoop-lib 
rm -rf hadoop-default 
rm -rf oozie-conf 
rm -rf hcatalog-conf 
rm -rf hive-conf 
rm -rf hadoop-man 
rm -rf sqoop-conf 
rm -rf hadoop-conf
#4.刪除使用者
userdel nagios 
userdel hive 
userdel ambari-qa 
userdel hbase 
userdel oozie 
userdel hcat 
userdel mapred 
userdel hdfs 
userdel rrdcached 
userdel zookeeper 
#userdel mysql 
userdel sqoop
userdel puppet

userdel yarn

userdel tez

userdel hadoop

userdel knox

userdel storm

userdel falcon

userdel flume

userdel nagios

userdel admin

userdel postgres

userdel  hdfs

userdel  zookeeper

userdel hbase

#5.刪除資料夾
rm -rf /hadoop
rm -rf /etc/hadoop 
rm -rf /etc/hbase 
rm -rf /etc/hcatalog 
rm -rf /etc/hive 
rm -rf /etc/ganglia 
rm -rf /etc/nagios 
rm -rf /etc/oozie 
rm -rf /etc/sqoop 
rm -rf /etc/zookeeper 
rm -rf /var/run/hadoop 
rm -rf /var/run/hbase 
rm -rf /var/run/hive 
rm -rf /var/run/ganglia 
rm -rf /var/run/nagios 
rm -rf /var/run/oozie
rm -rf /var/run/zookeeper
rm -rf /var/log/hadoop 
rm -rf /var/log/hbase 
rm -rf /var/log/hive 
rm -rf /var/log/nagios 
rm -rf /var/log/oozie 
rm -rf /var/log/zookeeper 
rm -rf /usr/lib/hadoop
rm -rf /usr/lib/hbase 
rm -rf /usr/lib/hcatalog 
rm -rf /usr/lib/hive 
rm -rf /usr/lib/oozie 
rm -rf /usr/lib/sqoop 
rm -rf /usr/lib/zookeeper 
rm -rf /var/lib/hive 
rm -rf /var/lib/ganglia 
rm -rf /var/lib/oozie 
rm -rf /var/lib/zookeeper 
rm -rf /var/tmp/oozie 
rm -rf /tmp/hive 
rm -rf /tmp/nagios 
rm -rf /tmp/ambari-qa 
rm -rf /tmp/sqoop-ambari-qa 
rm -rf /var/nagios 
rm -rf /hadoop/oozie 
rm -rf /hadoop/zookeeper 
rm -rf /hadoop/mapred 
rm -rf /hadoop/hdfs 
rm -rf /tmp/hadoop-hive 
rm -rf /tmp/hadoop-nagios 
rm -rf /tmp/hadoop-hcat 
rm -rf /tmp/hadoop-ambari-qa 
rm -rf /tmp/hsperfdata_hbase 
rm -rf /tmp/hsperfdata_hive 
rm -rf /tmp/hsperfdata_nagios 
rm -rf /tmp/hsperfdata_oozie 
rm -rf /tmp/hsperfdata_zookeeper 
rm -rf /tmp/hsperfdata_mapred 
rm -rf /tmp/hsperfdata_hdfs 
rm -rf /tmp/hsperfdata_hcat 
rm -rf /tmp/hsperfdata_ambari-qa

rm -rf /etc/flume

rm -rf /etc/storm

rm -rf /etc/hive-hcatalog

rm -rf /etc/tez

rm -rf /etc/falcon

rm -rf /var/run/flume

rm -rf /var/run/storm

rm -rf /var/run/webhcat

rm -rf /var/run/hadoop-yarn

rm -rf /var/run/hadoop-mapreduce

rm -rf /var/log/flume

rm -rf /var/log/storm

rm -rf /var/log/hadoop-yarn

rm -rf /var/log/hadoop-mapreduce

rm -rf /usr/lib/nagios

rm -rf /var/lib/hdfs

rm -rf /var/lib/hadoop-hdfs

rm -rf /var/lib/hadoop-yarn

rm -rf /var/lib/hadoop-mapreduce

rm -rf /tmp/hadoop-hdfs
#5.重置資料庫，刪除ambari包
#採用這句命令來檢查yum list installed | grep ambari
ambari-server stop
ambari-agent stop
ambari-server reset
yum remove -y ambari-*
yum remove -y postgresql
rm -rf /etc/yum.repos.d/ambari*
rm -rf /var/lib/ambari*
rm -rf /var/log/ambari*
rm -rf /etc/ambari*