Hello, I need to remove some yarn applications from resource manager UI. As shown in rm-ui.png, i have 101 applications. So, how can i keep the recent ones and delete some of them. I really need your help. I'll be grateful if someone could help me to resolve this issue. ... View more

Hello, I'm trying to run a script through Pig View. I attached my script details in script.png. When i run this script i got the error mentioned in error.png through /var/log/ambari-server/pig-view/pig-view.log. The directory /user/admin/pig/jobs/ exists on HDFS and i've set 777 to this directory as mentioned in hdfs.png. I access to Ambari UI with admin as username. How can i resolve this issue? I'll be really grateful if someone could help me. ... View more

Hello, I've successfully enabled kerberos on my cluster. All the services are running correctly. When i try to access to my NameNode UI by taping http://ambari:50070 on my browser, i got the error mentioned in error.png. - My ambari server is running with root user. So,i resecured my cluster with root@MYREALM and made all the necessary configurations by following this link: https://docs.hortonworks.com/HDPDocuments/Ambari-2.4.1.0/bk_ambari-security/content/set_up_kerberos_for_ambari_server.html. - I've also enabled SPNEGO authentication for Hadoop by following these links: https://docs.hortonworks.com/HDPDocuments/Ambari-2.2.1.1/bk_Ambari_Security_Guide/content/_configuring_http_authentication_for_HDFS_YARN_MapReduce2_HBase_Oozie_Falcon_and_Storm.html and https://developer.ibm.com/hadoop/2016/09/28/securing-hadoop-user-interfaces-kerberos-enable/. - I'm working on local domain. So, i've not FQDN. My cluster is composed of two hosts whose hostnames are ambari and ambari-slave1. Hence, i didn't set hadoop.http.authentication.cookie.domain in Custom core-site. - I've enabled browser access to a SPNEGO-enabled web UI by following this link: https://docs.hortonworks.com/HDPDocuments/Ambari-2.6.0.0/bk_ambari-security/content/enabling_browser_access_spnego_web_ui.html. At this step, i've skipped 1. 2. and 3. because my kerberos is already installed and automatically configured. The 4. sub-step is done as mentioned in step.png. My question are: - Which eventual steps are missed? - How can i resolve this issue? I'm really stuck at this final step of securing my cluster. I'll be grateful if someone could help me. ... View more

Hello, I've installed Hue on my cluster. When i access to my Hue UI i got the errors mentioned in "errors.png". Hue is running through supervisor with hue user as mentioned in "hue.png". It was running correctly until i enabled kerberos on my cluster. I've made the necessary configurations to configure Hue with kerberos by following these two links: https://www.cloudera.com/documentation/enterprise/5-6-x/topics/cdh_sg_hue_kerberos_config.html and https://docs.hortonworks.com/HDPDocuments/HDP2/HDP-2.6.2/bk_security/content/kerb-config-hue.html. I've also enabled Ranger and Ranger KMS on my cluster. When i access to /var/log/supervisor/hue.log, i got the error mentioned in "kerberos_log.png". I was able to access manually to hdfs root file system with hue user as shown in "hdfs_access.png". My question are : 1- How can hue user access to hdfs root file system on kerbereized cluster through Hue UI? 2- How can hue authenticate with my cluster components? I'll be really grateful if someone could hep me resolve this issue. ... View more

Hello, I've enabled kerberos on my cluster and i've installed on it Hue. Hue was running correctly until kerberos is enabled. I've configured kerberos for Hue by following this link: https://docs.hortonworks.com/HDPDocuments/HDP2/HDP-2.6.2/bk_security/content/kerb-config-hue.html When i accessed to my Hue UI and i navigate through it to Pig, Hive ... I got the errors mentioned in "error1.png" and "error2.png". How can i fix this issue? ... View more