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Home › 2014 › October

Month: October 2014

OpenStack: List State of All VMs

By Andrew Bruce Posted on October 29, 2014 Posted in OpenStack, Teknocratica No Comments
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Hi All! Today’s post is a quick script to show how you can get all your OpenStack VMs and their state in a single command. Check it out!

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Tagged with: OpenStack, scripting, sysadmin, virtualization

OpenStack: Fix “Missing” External IPs in Neutron

By Andrew Bruce Posted on October 22, 2014 Posted in Network, OpenStack, Teknocratica 1 Comment
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Have you ever assigned a “floating” IP on your external network to an OpenStack VM…but not been able to ping it? Read our article for info on how we workaround the problem!

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Tagged with: cloud, OpenStack, policy, sysadmin, virtualization

OpenStack: Find Orphaned Images in Glance

By Andrew Bruce Posted on October 21, 2014 Posted in OpenStack, Storage, Teknocratica No Comments
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Hello All – today’s post is on identifying and removing Glance images that are truly not used anywhere, such as when deleting a project (tenant) without first deleting private images within that project. Check out our script!

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Tagged with: cloud, OpenStack, storage, virtualization

OpenStack: Adding External Networks to Neutron with GRE

By Andrew Bruce Posted on October 20, 2014 Posted in Network, OpenStack, Teknocratica 2 Comments
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Hello All – today’s post is on Neutron using GRE Networking. The all-in-one OpenStack gives you GRE by default but only a single external subnet. Read on to learn how to add more external networks!

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Tagged with: cloud, network, OpenStack, virtualization

OpenStack: VM Migration on OpenStack

By Andrew Bruce Posted on October 17, 2014 Posted in OpenStack, Teknocratica 2 Comments
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Hello All! Today’s post is on some work I did for exporting VMs between OpenStacks. Here are two scripts for doing the export and import; one for migrating between hypervisors (same OpenStack) and one for migrating between OpenStack implementations. They …

OpenStack: VM Migration on OpenStack Read more »

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Tagged with: migration, OpenStack

OpenStack: Network Creation Script

By Andrew Bruce Posted on October 16, 2014 Posted in OpenStack, Teknocratica No Comments
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Hi All! The past few months have been very busy, and lots of work on OpenStack. I have quite a bit to share, but for today let’s look at how I automated OpenStack network creation.

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Tagged with: neutron, OpenStack, virtualization

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