Hadoop "Permission denied (publickey,password,keyboard-interactive)" warning
Problem is when you are trying to ssh to a server (in this case localhost) it tries to authenticate you using your credential. And stores that info. But here password-less authentication is not configured, so each time you try to ssh, it will ask you for your password, which is a problem if machines try to communicate with each other using ssh. So to setup passwordless ssh, we need to add user machine's public key to server machines ~/.ssh/authorized_keys file. In this case, both the system are same machines.
So Long story short run the following command.
cat ~/.ssh/id_rsa.pub >> ~/.ssh/authorized_keys
Proceed with the following steps:
Generate new keygen.
ssh-keygen -t rsa -P '' -f ~/.ssh/id_rsaRegister key gen:
cat ~/.ssh/id_rsa.pub >> ~/.ssh/authorized_keys
I did the following 3 steps to create the password less login
- ssh-keygen -t rsa (Press enter for each line)
- cat ~/.ssh/id_rsa.pub >> ~/.ssh/authorized_keys
- chmod og-wx ~/.ssh/authorized_keys