Resize and manage cloud-init in KVM for Centos QCOW2 images

The following tools will help you to create KVM VMS or domains using CentOS Cloud images. Those images can be downloaded from http://cloud.centos.org/centos/7/images. Those images are ready to use with cloud-init scripts. cloud-init basically requires two files in a CD ISO image you have to insert during the VM creation with virt-install. Basically this post…

how-to use virt-install to connect at openvswitch bridge

Very simple question with an answer that is hard to find: how-to use virt-install to connect at openvswitch bridge. I am using Centos version 7 as my KVM host. After some testing and time searching. I got this. In a few words. Just add “virtualport_type=openvswitch” to your network settings. After you have downloaded your qcow2…

Highlight ansible YAML and Jinja syntax in vim Editor

Sometimes, I’m getting a bit confused and messing up my files because I don’t have a decent format highlight. Then I thought how great would be to highlight ansible YAML and Jinja syntax in vim Editor. Also, this will helpful to have more fun over your coding. Active syntax colors in your YAML and Jinja…

Useful Nuage VRS and VSC commands

If you have Nuage SDN in your cloud then you’ll appreciate this post that give you guidelines in how to check out what is happening actually. Here you have some useful Nuage VRS and VSC commands that will help you out. Useful Nuage VRS Commands Check out Nuage VRS ports and VXLAN tunnels information To…

Bridge your dummy interface in centos7

I had to start using a dummy interface in my server to make it portable, like a demo in-a-box. Every time that I’ve tried to disconnect it and use other network. I had to make a lot of changes to my configuration: very messy. Basically, I will tell you how to bridge your dummy interface…

#ansible & #docker – Failed to connect to new control master

I am running my ansible playbooks from containers for a while (I didn’t want to mess up my Mac). After I’ve started to use data-only containers. I’ve got the following message. I’ve got the following message: Digging around, I could find the following post: “Multiplex/shared SSH connections not connecting: “Control socket connect Connection refused. Failed…