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Lately I have been trying to get an openstack node up and running on an Ubuntu VM. For which, I was following a couple of the many guides available online. Everything went well until I found out that I was not able to create a user with an admin role using the nova-manage command. I was trying to run, nova-manage user admin openstack Much to my disappointment, I got the following error,  nova-manage: error: argument category: invalid choice: 'user' (choose from 'version', 'bash-completion', 'project', 'account', 'shell', 'logs', 'service', 'db', 'vm', 'agent', 'cell', 'instance_type', 'host', 'flavor', 'fixed', 'vpn', 'floating', 'network') I was a bit frustrated after going through the wiki for the nova-manage command which said that nova-manage was going away in the Folsom release of openstack, but never said anything about what is go...

Finally managed to get Windows 8 installed on a laptop without a optical disc drive. This was a Lenovo ideapad S405 which came pre installed with Windows 8, but since I was more inclined to use Linux on it, I had somehow managed to get Ubuntu installed on it. Now, I'm usually a Fedora guy, but for some reason the driver for the mouse/touchpad which comes compiled into the kernel was less stable in the version of Fedora that I was using, hence the brief switch to Ubuntu. Now when I had to give the laptop away to someone who's going to use Windows most of their time, I had to make sure that I could install Windows back onto it. I must say, that in spite of being warned by the salesman at the store to maintain a backup of Windows 8 if I was to wipe out Windows form the laptop; I did not follow his advice. I started off obtaining the iso for Windows 8, which could then be restored onto a USB drive with at least 4GB of storage capacity. When I tried directly restoring the iso image...