Category: Linux

OVN Integration & Coexistence on Xenserver and XCP-ng

Research on multi hypervisor network virtualization using Open Virtual Network Summary The cleanest technical path is not to bolt a foreign br-int onto a host that already has its networking lifecycle owned by XAPI. The safer pattern is to let…

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Top 3 Online Resources to Learn Coding

Learn to write your own applications for fun and profit. Here are quality free resources online that I can personally vouch for. I get nothing for suggesting these websites.

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Microstack Openstack Image Service

How to add Image to Glance For the impatient: Microstack is admittedly not my favorite way to deploy openstack, probably because it takes some getting used to. Running openstack services in isolated containers makes things more secure, easier to deploy,…

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Digital Ocean How to download a copy or snapshot of your droplet or vm locally and run it on your own server

* This post uses the DD command which if used improperly WILL completely destroy your system.  If you are unsure about what you are doing do not even attempt anything below. The command below will overwrite any drive you tell…

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How to fix RDO Packstack Openstack Installation Error: “rabbitmq-server start failed with exitcode 1”

This took more time then I would like to admit to find the solution, because the error is simply do to the machines hostname not being set correctly. The machine’s hostname should match in /etc/hosts with hostname in /etc/hostname file.  That…

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