Log in to VM in FIWARE Lab using Windows

Question

I'm trying to login to my brand new instance in FIWARE lab without success. I'm trying with Putty and OpenSSH in Windows. So far:

1. Launched the instance while creating a keypair (ubuntu)
2. Assigned the public IP

1st tried with Putty:

1. Saved the private key using the pem file
2. Used it in the login
3. Asked for a user (don't know which one to used but tried both "root" and "ubuntu"
4. Got an error window ("Disconnected: No supported authentication methods available (server sent: public key).

2nd tried with OpenSSH - Used command window - Changed persmissions chmod -600 *.pem - Tried to connect with "ssh -i *.pem [email protected]" and "ssh -i *.pem [email protected]" - Got the error "Permission denied (public key)".

I have checked login to fiware GE using putty (Windows) - what credentials? and other related entries but no luck.

By the way the Virtual Console opens and asks me for user/password which again do not know.

Any help will be appreciated. Regards Miguel.