About giuseppe_dagost

giuseppe_dagost · ‎02-23-2018

@Pranay Vyas Thank you very much for your answer: I think it will be my solution!

giuseppe_dagost · ‎02-22-2018

I installed and configured a 2.6 HDP cluster from an Ambari Server. For some company security policies I can't install services under / directory (so I can't install services under /etc /usr directories) but I have to install services under a specific partition (/services_mount where I can replicate directories as /services_mount/etc or /services_mount/usr) specifically created by system administrators. Nodes have Centos 7 OS. System administrators asked me to move all installed services under this partition. I know that I can install specific rpm packages (e.g. manually installing Ambari server and Ambari Agent) in specific directories and partitions, but I wasn't able to find how to install HDP services in specific directories with Ambari server. Is there a way to meet system administrators request?

giuseppe_dagost · ‎01-23-2018

Hi all, I followed this guide to enable SSL for HDFS as root user on my NameNode server. Then I copied the keystore and the truststore on my DataNode servers (as suggested here at step 4) because when I tried to start HDFS service I received a FileNotFoundException on /tmp/keystore.jks. After coping files on DataNode servers I tried to start HDFS service but starting DataNode servers I receive an "Permission Denied" error on the same file: here at step 6 it suggests to change permissions on the server key location, but when I execute chgrp -R yarn:hadoop /tmp/ I receive following error chgrp: invalid group: ‘yarn:hadoop’ any suggestions for me? Thanks in advance!

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