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Chris Paquin
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You can use the steps below if you need to change managed IP resources, for example, if you need to re-IP your RHEL OSP Overcloud endpoints. In this example, we are changing a managed VIP from one IP to another. First, we get a good look at the resource…

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Background In previous versions of RHEL OSP 7 the Control Plane/Provisioning network interface was assigned via DHCP and not managed via Heat. Starting in 7.2, this interface is now managed via Heat. Sample Heat Template Below is an example from…

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What if I told you that you can have your Red Hat Enterprise Linux (RHEL) based Cloud infrastructure, with Red Hat Virtualization, OpenStack, OpenShift and CloudForms all setup before you have to s… Source: Your Cloud Installed Before Lunch with…

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Plotnetcfg is a Linux utility that you can use to scan the networking configuration on a server and output the configuration hierarchy to a file. Plotnetcfg is most useful when troubleshooting complex virtual networks with all sorts of bonds and bridges,…

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    This article details all supported drivers and plugins for each RHEL OSP component (Cinder, Glance, Neutron, etc). Last updated 7/11/16. Link Below: https://access.redhat.com/articles/1535373

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In this post,  I am going to walk you through the process of installing and configuring two- factor SSH authentication via Google Authenticator. My base system is running a fresh install of RHEL 7.2 Installation Steps The first step on my system was to…

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    Using a few simple commands you can easily map a PCI slot back to its directly connected NUMA node. This information comes in very handy when implementing NFV leveraged technologies such as CPU Pinning and SRIOV.   First, you will need to install…

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Within OpenStack, each virtual machine instance running on a Compute nodes also a virtual machine running on a libvirt node. If you ssh to a Compute node and run the command below you can get the names of each VM running or registered on this Compute…

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Introduction to Heat Heat is the main orchestration engine for OpenStack, and is used my OpenStack director to install an OpenStack Overcloud environment. When we run the “openstack deploy overcloud” command, we are specifically telling RHEL OSP director…

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#RedHat #Openstack & Big Cloud Fabric Introduction

  Big Cloud Fabric, is a SDN solution from Big Switch Networks, designed to integrate into OpenStack (or VMware). Via OpenStack, BCF (Big Cloud Fabric) integrates directly into OpenStack Neutron by way of a plugin. BCF supports L2/L3 networking and L4-7…
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