@ANSARI FAHEEM AHMED, hdfs accepts directories with quotes. may be the directory was created using the below command hdfs dfs -mkdir /user/\"hdpuser\" Please check the screenshot. ... View more

@Yair Ogen, I guess you have only a single Node manager. You can always install the node managers in other nodes as well. Click on Hosts -> Select the host you want to install the node manager -> Click Add -> Select Nodemanager Thanks, Aditya ... View more

@Shravan Kumar, You can use the below API for Turn ON and Turn OFF respectively curl -k -u <username>:<password> -H "X-Requested-By:ambari" -i -X PUT -d '{"RequestInfo":{"context":"Turn On Maintenance Mode for SNameNode"},"Body":{"HostRoles":{"maintenance_state":"ON"}}}' http://{ambari-host}:{ambari-port}/api/v1/clusters/{clustername}/hosts/{hostname}/host_components/SECONDARY_NAMENODE curl -k -u <username>:<password> -H "X-Requested-By:ambari" -i -X PUT -d '{"RequestInfo":{"context":"Turn Off Maintenance Mode for SNameNode"},"Body":{"HostRoles":{"maintenance_state":"OFF"}}}' http://{ambari-host}:{ambari-port}/api/v1/clusters/{clustername}/hosts/{hostname}/host_components/SECONDARY_NAMENODE Replace the ambari-host,ambari-port , clustername and hostname placeholders with the original value. Thanks, Aditya ... View more

@Florin Miron, Run the below command on all the ambari agent nodes. Quick and easy sed -i 's/verify=platform_default/verify=disable/'/etc/python/cert-verification.cfg Thanks, Aditya ... View more

@Helmi KHALIFA, Try running the below command in shell to get permissions for a user for all the tables echo "user_permission '.*'" | hbase shell -n | grep {username} user_permission '.*' gives permissions for all users for all tables Thanks, Aditya ... View more

@Mateusz Grabowski, You can make the required changes in stack_advisor.py under (/var/lib/ambari-server/resources/stacks/HDP/{HDP version}/services/stack_advisor.py For testing, I have changed a line in ( /var/lib/ambari-server/resources/stacks/HDP/2.5/services/stack_advisor.py. I have hardcoded the port no in atlas.rest.address to 12233 and restarted the ambari server. As you can see in the below screenshot, it got reflected in the UI. All you have to do is make the changes you want in stack_advisor.py , restart ambari-server. We need not run the file manually. Note : Ambari agents will cache these files. So you should make the same change in (/var/lib/ambari-agent/cache/stacks/HDP/{HDP version}/services/stack_advisor.py) as well. You can check this link for some more info Hope this helps 🙂 Thanks, Aditya ... View more