Hello,
I'm trying to learn OpenStack via RDO, so I downloaded packstack.  I went to 
this link to start on RDOhttps://www.rdoproject.org/install/quickstart/
I set up a fixed IP in CentOS 7.    CentOS 7 is a guest OS.   I'm using 
Virtualbox as my virtual machine, and Windows 10 is my host OS.  I'm using a 
Bridged adpater for Virtual Box.
I downloaded and installed RDO via packstack.
I then went here:https://www.rdoproject.org/install/running-an-instance/

I went there to learn how to run an instance, and on step three on that page, 
"Create or Import a Pair", I  received an error.    The error occurred when I 
tried to "create" the key.  It error was "Keypair data is invalid: failed to 
generate fingerprint (HTTP 400)".     I also tried to import a key, by 
generating one on the command line.  However, in both cases it failed.  I got 
some guidance from this video,https://www.youtube.com/watch?v=GYTctLuPbOs, but 
that didn't do the trick for me, either.
  I have been looking around for similar problems on the web, and I found a 
couple, but none of the solutions worked for me.  I recently disabled SELinux 
with the "setenforce 0" command, and that didn't fix the problem either.
  Does anyone have any idea what his could be?   I'm really just learning now, 
so I'm sure it's got to be something rudimentary.
  Thanks for any help!
  ...John
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