Creating an OpenStack Image - Justin Santa Barbara’s blog
Here’s how I create an OpenStack disk image. Everyone has their own tweaks here; the most unusual thing I do is that I don’t use cloud-init, because I don’t want to rely on DHCP; I use OpenStack’s ‘configuration drive’ instead. I think that cloud-init has support for config-drive in its very latest versions, so I may revisit this in future. A few comments: I think that Grub is crazily complicated,
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Overview: See the CHANGELOG for more information on what's changed Welcome to the official wiki for the Pry REPL: a powerful IRB alternative and runtime developer console for Ruby. Note that not every aspect of Pry is covered in the material below, just a very significant chunk. For basic information on getting started it is recommended you watch the introductory screencast. At the moment, the sup
netmap - the fast packet I/O framework
netmap is a framework for high speed packet I/O. Together with its companion VALE software switch, it is implemented as a single kernel module and available for FreeBSD, Linux and now also Windows (OSX still missing, unfortunately). netmap supports access to network cards (NICs), host stack, virtual ports (the "VALE" switch), and "netmap pipes". It can easily reach line rate on 10G NICs (14.88 Mpp
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GitHub - nixme/jazz_hands: Pry-based enhancements for the default Rails 3 and 4 consoles
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