@Vishal Gupta Experience is the best teacher, its always good to follow the official documentation I have never failed to to kerberize because I stick to the document. The setup of the KDC and KDC clients is key to successfully kerberize and unkerberize a HDP cluster. Remember to document always 🙂 If my helped you then,you can accept and close this thread. ... View more

@Vishal Gupta Experience is the best teacher, its always good to follow the official documentation I have never failed to to kerberize because I stick to the document. The setup of the KDC and KDC clients is key to successfully kerberize and unkerberize a HDP cluster. Remember to document always 🙂 If my helped you then,you can accept and close this thread. ... View more

@sachin gupta Have you created a keytab for the USER_1 check in $ ls -al /etc/security/keytabs Did USER_1 grab a valide kerberos ticket as the USER_1 run $ klist Do yo have any output? USER_1 might have been blacklisted by the Ambari property, hadoop.kms.blacklist.DECRYPT_EEK. Thats the most probable reason why you are unable to decrypt being an 'USER_1' user. Did you give read permission to USER_1 to that encryption zone? ... View more

@Narasimha K How long have you bee receiving the alerts? Please try to clear the alert be deactivating and activating see attached screenshot ... View more

@Shrikant BM Nagios and Ganglia has been deprecated. It's not supported from HDP 2.3 and so no hortonworks support on these components ,AMS is a better solution ... View more

@pv poreddy I updated the thread did you check it out ? ... View more

@John Wright I think your repos is wrong. I just tried downloading on the hdp repo for RHEL/CentOS/Oracle LINUX 7 Here is what I did, note please backup your /etc/yum.repos.d/hdp.repo before overwriting with the below code. wget -nv http://public-repo-1.hortonworks.com/HDP/centos7/2.x/updates/2.6.0.3/hdp.repo -O /etc/yum.repos.d/hdp.repo In the above I assume you are running one of the above flavors of Linux #VERSION_NUMBER=2.6.0.3-8 [HDP-2.6.0.3] name=HDP Version - HDP-2.6.0.3 baseurl=http://public-repo-1.hortonworks.com/HDP/centos7/2.x/updates/2.6.0.3 gpgcheck=1 gpgkey=http://public-repo-1.hortonworks.com/HDP/centos7/2.x/updates/2.6.0.3/RPM-GPG-KEY/RPM-GPG-KEY-Jenkins enabled=1 priority=1 [HDP-UTILS-1.1.0.21] name=HDP-UTILS Version - HDP-UTILS-1.1.0.21 baseurl=http://public-repo-1.hortonworks.com/HDP-UTILS-1.1.0.21/repos/centos7 gpgcheck=1 gpgkey=http://public-repo-1.hortonworks.com/HDP/centos7/2.x/updates/2.6.0.3/RPM-GPG-KEY/RPM-GPG-KEY-Jenkins enabled=1 priority=1 Then do cat /etc/yum.repos.d/hdp.repo After validating the contents then run the below yum clean all yum repolist You should see the good repo contents , now you can continue to delpoy your cluster sucessfully ... View more

@Vishal Gupta Unfortunately the only proper method is going through the Ambari UI. Make sure you have the KDC credential and ensure the KDc server is accessible and running. Log in to Ambari Web and Browse to Admin > Kerberos. Click Disable Kerberos to launch the wizard. Complete the wizard. Restart all the HDP components Official doc Hope that helps ... View more