@enirys Free ipa with Ambari 2.6.x  is not supported, Free ipa is supported from Ambari 2.7.x onwards     ... View more

@enirys In Ambari 2.7.x below tables should exists whether your cluster is kerberized or not   Can you check and confirm does below table exists in Ambari DB   kerberos_descriptor kerberos_keytab kerberos_keytab_principal kerberos_principal key_value_store kkp_mapping_service   ... View more

@enirys  Follow the below steps on ambari db 1. Take ambari DB backup 2. Execute the below mentioned SQL commands on ambari DB    # DELETE FROM ambari.kkp_mapping_service where kkp_id in (select kkp_id from ambari.kerberos_keytab_principal where principal_name = 'HTTP/cnode28.26f5de01-5e40-4d8a-98bd-a4353b7bf5e3.datalake@26F5DE01-5E40-4D8A-98BD-A4353B7BF5E3.DATALAKE'); # DELETE FROM kerberos_keytab_principal WHERE principal_name='HTTP/cnode28.26f5de01-5e40-4d8a-98bd-a4353b7bf5e3.datalake@26F5DE01-5E40-4D8A-98BD-A4353B7BF5E3.DATALAKE'; # DELETE FROM kerberos_principal WHERE principal_name='HTTP/cnode28.26f5de01-5e40-4d8a-98bd-a4353b7bf5e3.datalake@26F5DE01-5E40-4D8A-98BD-A4353B7BF5E3.DATALAKE';  3. After executing above command restart ambari server and regenerate the keytabs ... View more

@t1 Looks like you have installed in the custom path, In HDP Hive should be picking up Atlas hook from /usr/hdp/<version>/atlas/hook/hive   Can you check Hive server logs and see which path it is picking for atlas hook ... View more

@t1 Looks  like you are missing jersey related jars Can you share the output of the below command # ls -lrth /usr/hdp/current/atlas-server/hook/hive/atlas-hive-plugin-impl ... View more

@ryu You can update the quicklink.json file on the Ambari server host at the below path /var/lib/ambari-server/resources/stacks/HDP/2.3/services/<SERVICE NAME>/quicklinks/quicklinks.json  For more info on the update quickink.json file refer below doc https://cwiki.apache.org/confluence/display/AMBARI/Quick+Links ... View more

@agarwadekarm Nifi 1.12.1 is shipped with HDF 3.5.2 HDF 3.5.2 is supported on RHEL 7.9 You can check the support matrix for more info https://supportmatrix.cloudera.com/#Hortonworks  ... View more

@Stephbat  To enable rotation  for the ambari-agent, follow below steps: cp /etc/ambari-agent/conf/logging.conf.sample /etc/ambari-agent/conf/logging.conf  Change the following line: args=('/var/log/ambari-agent/ambari-agent.log',"a", 10000000, 25) Where: The value 10000000 is the maximum size of the logs in bytes and the value 25 is the number of old logs to keep after the log rotates. Restart the ambari-agent after making the changes.  ... View more

@Pamarthich Can you share a complete stack trace of the error ... View more

@Sayed016 I can see there is no "," after Yarn username, Can you try adding"," after yarn user name as shown below yarn.admin.acl=dr.who,user1,yarn,admingroup2   ... View more

@somesh Can you check Ambari => HDFS => Core-site proxy setting try setting the proxy values to * as shown below   hadoop.proxyuser.root.groups=* hadoop.proxyuser.root.hosts=*   ... View more

@tancy  Once logged into Knox SSO, the UI service uses a cookie named hadoop-jwt.  The Knox Token Service enables clients to acquire this same JWT token , you can check this jwt token in browser developer tools   Can you confirm are you trying with the local admin user  ... View more

@tancy  Can you confirm is Ambari is synced with ldap/Ad, if Ambari is not synced with ldap/Ad, sync the users and then try to login again ... View more

Can you check under /etc/cloudera-scm-server  ... View more

@swapko  Check the password in  # cat /var/lib/cloudera-scm-server-db/data/generated_password.txt You can refer to the following doc for more info https://docs.cloudera.com/cloudera-manager-ibm/7.2.3/installation/topics/cdpdc-changing-embedded-postgresql-passwords.html  ... View more