Reply To: the account hdfs'password

Hi Dave
I have installed cluster using ambari 1.6.1, I need hdfs password for copying data on to hdfs dfs -put from remote machine.
ssh to remote machine being hdfs user need password.
Pls let me know how to change password set by ambari to hdfs user. where NN,SN,DN,Ambari server ?? wher to do sudo ?

i tried doing sudo passowrd hdfs on NN

[hdfs@host01]$ sudo password hdfs
[sudo] password for hdfs: **admin**
Sorry, try again.
[sudo] password for hdfs: **hadoop**
Sorry, try again.
[sudo] password for hdfs: **ambari**
Sorry, try again.
sudo: 3 incorrect password attempts