@Shashank Naresh I guess your problem is with the network configuration. Adapter 1 should be NAT, Adapter 2 should either Wireless or LAN in my example screenshot its Realtek PCIe GBE Family controller the LAN NIC for my laptop yours could be different. See attached screenshot After saving the configuration restart the Virtual box Please revert Naresh.PNG ... View more

@duong tuan anh I am damn happy you succeeded. Happy hadooping 🙂 ... View more

@Mazen Elshayeb Unbelievable ping me on linkedin ,could help with remote ... View more

@Mazen Elshayeb Can you capture and share your screenshot? Firstly can you ensure your kdc and kadmin are started? Did you run this step? If not please do that while logged in as root, the output should look like below # kadmin.local -q "addprinc admin/admin" Desired output Authenticating as principal root/admin@HADOOP.COM with password. WARNING: no policy specified for admin/admin@HADOOP.COM; defaulting to no policy Enter password for principal "admin/admin@HADOOP.COM":   {password_used_during_creation} Re-enter password for principal "admin/admin@HADOOP.COM": {password_used_during_creation} Principal "admin/admin@HADOOP.COM" created. Restart kdc (Centos please adapt accordingly) # /etc/rc.d/init.d/krb5kdc start Desired output Starting Kerberos 5 KDC:                                   [  OK  ] Restart kadmin # /etc/rc.d/init.d/kadmin start Desired output Starting Kerberos 5 Admin Server:                          [  OK  ] Now continue with Ambari kerberization wizard using the admin/admin@HADOOP.COM with password earlier set That should work ... View more

@Mazen Elshayeb That's good news the principal admin should be admin/admin@HADOOP.COM and the password is the magic password you used when creating the Kerberos database. You must have gotten a warning saying keep the password safely 🙂 Please proceed and revert! ... View more

@Mazen Elshayeb Any updates? ... View more