Hello,
I'm contacting because I've been developing our fiware aplication, but I'm having some issues in using Fiware-Lab's Cloud.
I'm not being able to create instances running on a network, sharing security group and keypair, nor with new ones.
I associate the public IP to the new instance, make sure port 22 (and also port 80) on the security group are open and I'm also configuring access to the private key I downloaded, with the command "$ chmod 600 key.pem".
When I try to access the instance through ssh, using the new key, the terminal hangs and gives no response.
More details:
With one older working instance i start to create another:- I create a new security group and open ports 22 and 80 on it. - Then I create a keypair and download the private part. (also tryied with same key and security group of the working instance)- Following, I Launch a new instance, naming it and sellecting a flavor, then, I select the new keypair and security group just created (or old ones), followed by selecting the network already existing. This way both instances will be in the same network and able to comunicate even with only one external IP.

• After finnishing the creation of the instance, in Security, I dissociate the public IP from the working instance and associate it to the new instance. So it should be working.
• Lastly I go to my terminal, change the file configuration with "$ chmod 600 key.pem" and then try to access the public IP through ssh.At this point the terminal cursor drops one line and hangs there. I can wait for timeout or escape with Ctrl+C.
  Normally I would get a message telling me that the server fingerprint has changed. In that case I erase it and make a fresh connection to the new instance.
  I tried several images. In the past I was able to creat accessible instances with the same security group and keypair as of the working instance, but didn't try with diferent ones.
  I hope this is enough to characterize the issue. If more information is needed please ask.

Thank you

Arthur VieiraGeratriz, Portugal
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[Created via e-mail received from: Arthur Vieira <arthurmvieira@hotmail.com>]