##################### 删除前最好将之前的下载的 rpm 包和 parcels 包备份一下 #####################
1. 停止 service
- service cloudera-scm-agent stop
- service cloudera-scm-server stop
2. 暴力停止 service, 杀进程,[run 2 times]
- kill -9 $(pgrep -f cloudera-scm)
- kill -9 $(pgrep -f supervisord)
- ps -ef|grep cloudera-scm
- ps -ef|grep supervisord
3. 卸载 / var/run/cloudera-scm-agent/process
- umount /var/run/cloudera-scm-agent/process
- #lsof /var/run/cloudera-scm-agent/process
- #kill -9 PID
- #kill -9 $(lsof /var/run/cloudera-scm-agent/process|awk '{print $2}')
4. 卸载安装包 [2 times]
- rpm -qa | grep cloudera
- for f in `rpm -qa | grep cloudera`;
- do
- rpm -e --nodeps ${
- f
- } ;
- done
- rpm -qa | grep cloudera
5. 删除 Cloudera Manager 数据 , 数据库存放路径, Cloudera Manager Lock 文件, 用户数据, 清除安装文件
- rm -rf /usr/share/cmf /var/lib/cloudera*/var/cache/yum/cloudera*/var/log/cloudera*/var/run/cloudera*
- rm -rf /var/lib/cloudera-scm-server-db
- rm -rf /tmp/.scm_prepare_node.lock /tmp/hsperfdata_hadoop /tmp/hsperfdata_hdfs /tmp/hsperfdata_mapred /tmp/hsperfdata_zookeeper /tmp/hsperfdata_cloudera-scm /tmp/hadoop-root
- rm -rf /var/lib/flume-ng /var/lib/hadoop*/var/lib/hue /var/lib/navigator /var/lib/oozie /var/lib/Solr /var/lib/sqoop*/var/lib/zookeeper
- rm -rf /dfs /mapred /yarn
- rm -rf /etc/cloudera*
- rm -rf /var/cache/yum/x86_64/7/cloudera*
- rm -rf /var/lib/hadoop-*/var/lib/impala /var/lib/Solr /var/lib/zookeeper /var/lib/hue /var/lib/oozie /var/lib/pgsql
- rm -rf /var/lib/sqoop2 /data/dfs/ /data/impala/ /data/yarn/ /dfs/ /impala/ /yarn/
- rm -rf /var/run/hadoop-*/ /var/run/hdfs-*/ /usr/bin/hadoop*/usr/bin/zookeeper*/usr/bin/hbase*
- rm -rf /usr/bin/hive*/usr/bin/hdfs /usr/bin/mapred /usr/bin/yarn /usr/bin/sqoop*/usr/bin/oozie
- rm -rf /etc/hadoop*/etc/zookeeper*/etc/hive*/etc/hue /etc/impala /etc/sqoop*/etc/oozie /etc/hbase*/etc/hcatalog
- rm -rf /var/run/zookeeper
- rm -rf /tmp/scm_prepare_node*/tmp/.scm_prepare_node.lock
- rm -rf /var/lib/hbase /var/lib/spark /var/lib/hive
6. 删除 parcel 包分发文件和解压文件
- rm -rf /tmp/A*/tmp/cmf*/tmp/J*/tmp/jffi*/tmp/q*/tmp/scm*
- rm -rf /opt/cloudera
7. 执行失效软连接
ls -l /etc/alternatives | grep -E 'CDH|cloudera' | awk '{print $9}' | while read line; do rm -rf /etc/alternatives/$line ; done
agent 安装过程注意点:
a./etc/hosts 文件
b. 防火墙
c. 端口
d. 卸载要干净 (所以要对配置文件的路径了如指掌)
e.yum 源配置 (epel) http://blog.itpub.net/30089851/viewspace-2130239/
最后因为是自己需要完全重装, 连 MySQL 数据库也 drop 掉了
来源: http://www.bubuko.com/infodetail-2968038.html