参考：https://blog.csdn.net/qq_40856560/article/details/109007683
一键卸载脚本【执行前 停止角色和服务】
#!/bin/bash # 停止CM服务 service cloudera-scm-server stop service cloudera-scm-agent stop # 卸载CM软件包 yum -y remove cloudera-manager-daemons cloudera-manager-agent cloudera-manager-server # 卸载装载点 umount cm_processes umount cm_processes umount cm_processes # 删除文件 rm -rf /var/log/* rm -rf /opt/cloudera* rm -rf /etc/systemd/system/multi-user.target.wants/cloudera* rm -rf /etc/default/cloudera* rm -rf /etc/cloudera* rm -rf /var/lib/cloudera* rm -rf /var/log/cloudera* rm -rf /usr/lib/systemd/system/cloudera* rm -rf /run/cloudera* rm -rf /sys/fs/cgroup/systemd/system.slice/cloudera* rm -rf /etc/security/limits.d/cloudera* rm -rf /var/lib/yum/repos/x86_64/7/cloudera* rm -rf /var/cache/yum/x86_64/7/cloudera* rm -rf /tmp/* rm -rf /var/lib/hadoop-* rm -rf /var/lib/impala rm -rf /var/lib/solr rm -rf /var/lib/zookeeper rm -rf /var/lib/hue rm -rf /var/lib/oozie rm -rf /var/lib/pgsql rm -rf /var/lib/sqoop2 rm -rf /home/dfs/ rm -rf /home/impala/ rm -rf /home/yarn/ rm -rf /dfs/ rm -rf /impala/ rm -rf /yarn/ rm -rf /var/run/hadoop-*/ rm -rf /var/run/hdfs-*/ rm -rf /usr/bin/hadoop* rm -rf /usr/bin/zookeeper* rm -rf /usr/bin/hbase* rm -rf /usr/bin/hive* rm -rf /usr/bin/hdfs rm -rf /usr/bin/mapred rm -rf /usr/bin/yarn rm -rf /usr/bin/sqoop* rm -rf /usr/bin/oozie rm -rf /etc/hadoop* rm -rf /etc/zookeeper* rm -rf /etc/hive* rm -rf /etc/hue rm -rf /etc/impala rm -rf /etc/sqoop* rm -rf /etc/oozie rm -rf /etc/hbase* rm -rf /etc/hcatalog rm -rf /var/lib/alternatives/impala-conf rm -rf /var/lib/alternatives/impalad rm -rf /var/lib/alternatives/impala-collect-diagnostics rm -rf /var/lib/alternatives/impala-shell rm -rf /var/lib/alternatives/impala-collect-minidumps rm -rf /etc/alternatives/impala-shell rm -rf /etc/alternatives/impalad rm -rf /etc/alternatives/impala-collect-diagnostics rm -rf /etc/alternatives/impala-conf rm -rf /etc/alternatives/impala-collect-minidumps rm -rf /var/log/impala* rm -rf /var/lib/alternatives/zookeeper-client rm -rf /var/lib/alternatives/zookeeper-server rm -rf /var/lib/alternatives/zookeeper-conf rm -rf /var/lib/alternatives/zookeeper-server-initialize rm -rf /var/lib/alternatives/zookeeper-server-cleanup rm -rf /var/lib/alternatives/zookeeper-security-migration rm -rf /etc/alternatives/zookeeper-conf rm -rf /etc/alternatives/zookeeper-server rm -rf /etc/alternatives/zookeeper-server-cleanup rm -rf /etc/alternatives/zookeeper-server-initialize rm -rf /etc/alternatives/zookeeper-security-migration rm -rf /etc/alternatives/zookeeper-client rm -rf /var/log/zookeeper # 重建数据库 mysql -uscm -pscm -e "drop database if exists scm;drop database if exists hive;drop database if exists oozie;drop database if exists hue;create database scm DEFAULT CHARACTER SET utf8;create database hive DEFAULT CHARACTER SET utf8;create database oozie DEFAULT CHARACTER SET utf8;create database hue DEFAULT CHARACTER SET utf8;" # 删除用户和组 userdel -r cloudera-scm userdel -r ambari-qa userdel -r appmon userdel -r falcon userdel -r gpadmin userdel -r hcat userdel -r hive userdel -r kafka userdel -r mapred userdel -r spark userdel -r tez userdel -r yarn userdel -r zookeeper userdel -r ams userdel -r atlas userdel -r flume userdel -r hbase userdel -r hdfs userdel -r infra-solr userdel -r livy userdel -r mongodb userdel -r oozie userdel -r sqoop userdel -r zeppelin userdel -r impala userdel -r kudu userdel -r hadoop groupdel hadoop groupdel cloudera-scm groupdel ambari-qa groupdel appmon groupdel falcon groupdel gpadmin groupdel hcat groupdel hive groupdel kafka groupdel mapred groupdel spark groupdel tez groupdel yarn groupdel zookeeper groupdel ams groupdel atlas groupdel flume groupdel hbase groupdel hdfs groupdel infra-solr groupdel livy groupdel mongodb groupdel oozie groupdel sqoop groupdel zeppelin groupdel impala groupdel kudu