I have installed knox as a service using Ambari(on Edge Node) on my 6 Node HDP 2.5 cluster(1 Edge Node, 1 Namenode, 1 Secondary Namenode and 3 Slave Nodes). Knox gateway and ldap Server is up and running on Edge Node. I am also able to authenticate to webhdfs using existing users like guest, tom, sam in users.ldif file. But when i add a new user i.e. scott into users.ldif file it is showing Unauthorized error in HDFS? I have copied the template of existing user "tom" and added new user as mentioned below. Any idea why i am facing such issue? dn: uid=steve,ou=people,dc=hadoop,dc=apache,dc=org objectclass:top objectclass:person objectclass:organizationalPerson objectclass:inetOrgPerson cn: scott sn: scott uid: scott userPassword:steve-password I am facing below mentioned error for new users [LDAP: error code 49 - INVALID_CREDENTIALS: Bind failed: ERR_229 Cannot authenticate user uid=steve,ou=people,dc=hadoop,dc=apache,dc=org] ... View more

I am planning to Install Ranger and Ranger KMS on 6 Node cluster managed on Azure VM's. I already have default Ambari postgresql DB installed on Ambari Server . Can anyone please clarify below mentioned doubts i have for ranger installation 1) Can i use the same PostgreSQL DB for creating ranger Audit and Policy DB's? 2) I already have Ambari Infra installed on Cluster? Do i need to use URL as http://solr_host:6083/solr/ranger_audits? where solr_host will be the hostname of machine where Ambari Metrics is installed? 3) Do we need to setup Knox with kerberos before installing Ranger or can it be done later as well? Any help would be appreciated? Thanks Rahul ... View more

I am trying to understand the exact significance of hdfs_path in Apache Atlas Search. I created a path in HDFS but i am not able to search that path using Atlas UI. Does it signify something else? I have installed HDP 2.5 and using Atlas on HDP 2.5. One more thing Is Atlas Web UI browser specific? I am able to search newly created hive tables in IE but not in Chrome and Firefox.? ... View more