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Category: Leif’s Posts

yakLab build out

The yakLab is a place where yaks are electronically instantiated for the
purpose of learning and documenting. The lab consists of a virtualization host
(virthost) which has 64GB of memory and hosts all the virtual machines,
primarily for infrastructure.

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Create network bridge with nmcli for libvirt

In order to get libvirt working properly with bridged networking, we first need to configure our local network to have network bridge slaved to our wired ethernet adapter. I don’t have to set this up too often (as once I do, it just sits there running happily). Here are some basic steps I did to get this going locally.
Add a bridge interface via Network Manager Before we get to adding a new network interface to libvirt, we’ll add our bridge interface to our host system via Network Manager.

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TripleO: Using the fake_pxe driver with Ironic

I’ve been working on testing things with TripleO and normally I use TripleO Quickstart to spin things up in a virtual environment.
Often when doing NFV work though, you need things that can’t be used in a virtual environment (such as DPDK, SR-IOV, etc) so you need some baremetal nodes.
In my home lab environment though, I don’t have the luxury of IPMI, so I need to make use of the fake_pxe driver in Ironic, which allows for standard PXE control, but requires you to deal with powering on and off the machines manually.

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