On 03/16/2012 09:01 AM, Kevin Jackson wrote: > After successfully spinning up instances on Essex under Ubuntu 12.04 > B1 using nova tool I'm now looking at the EC2 API / euca2ools but I'm > hitting an error > > $ euca-describe-instances > Unauthorized: Failure communicating with keystone > > /etc/nova/nova.conf: > --ec2_url=http://172.15.0.2:8773/services/Cloud > Do you also have --keystone_ec2_url=http://keystonehost:5000/v2.0/ec2tokens ? Adam