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How to make PowerCLI script act (almost) like a Windows service.

How to make PowerCLI script act (almost) like a Windows service.

In the final stage of my preparation to VCAP5-DCA exam (that I passed on September 1st – yeah I couldn’t help to brag a little about it ) I started to experience issues with SSO in my home lab. Intermittently and for no obvious reasons SSO was refusing to cooperate and I wasn’t able to authenticate against vCenter. All I was left with was the following error message. The fast and dirty workaround was to restart SSO...

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Nested XEN on VMware ESXi

Nested XEN on VMware ESXi

Quick guide how to deploy nested XEN on VMware ESXi You may want to run XEN s(not a XEN server) for several reasons as virtual machine which run on ESXi. Gotchas: Only one vCPU :-/ – otherwise you will get error as show below when boot you CentOS with XEN kernel. There is a bug in VMXNET3 driver module on Linux which has something to do with number of vCPU assigned to VM, which is different then power of 2. I tested several...

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Nutanix network port diagram

Nutanix network port diagram

Nutanix network port diagram I spent some time to produce small Visio with Nutanix ports diagram to visualize interaction between Nutanix software components (CVM, Prism Central), hardware (SuperMicro IPMI – it is remote management console like HP iLO, Dell DRAC) and hypervisor (in this case VMware ESXi). Some of you might ask, where is vCenter ? Well, Nutanix don’t need to “talk” to vCenter in order to run :-), we...

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Deploy nested KVM on VMware vSphere or Workstation

Deploy nested KVM on VMware vSphere or Workstation

How to deploy nested KVM on VMware vSphere or Workstation. You may have several different reasons to deploy nested environment but one of the most common is – for test new technology, test migration process from or out of the platform or simply lack of hardware resources (homelab deployments). My setup is CentOS 7 with KVM run on VMware vSphere 5.5 (one instance) on Nutanix and VMware workstation 10 on Windows workstation (second...

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Nutanix ninja – Change CVM IP address

Nutanix ninja – Change CVM IP address

For some reasons you might want to change CVM IP address hange CVM IP address – Preparation nutanix@cvm$ ncli host ls | grep "Metadata store status" 1 nutanix@cvm$ ncli host ls | grep "Metadata store status" For every host in the cluster, Metadata store enabled on the node should be shown nutanix@NTNX-CVM:~$ ncli host ls | grep "Metadata store status" Metadata store status : Metadata store enabled on the node Metadata store status :...

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Nutanix basics – encrypt Nutanix block naming convention

Nutanix basics – encrypt Nutanix block naming convention

Nutanix block naming convention Nutanix block naming convention for most people are mystery as well as for me. That was before I joined Nutanix. Picture below should give more light on this “mystery” The best way is to explain on example. let’s take 3000 series as an example. #3 – series number #0 – number of nodes – it can be 1,2,3 or 4 #5 – Ivy Bridge 16 cores, #6 Ivy Bridge 20 cores #0 – 2...

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Nutanix at VMworld 2014

Nutanix at VMworld 2014

VMworld 2014 is the first VMworld as Nutanix employee. For me is something very new as Nutanix is well known as innovative company and its very well-recognized by attendees. First things first Nutanix at VMworld 2014 – Software YES !! Nutanix is a software company. Not hardware, not storage – like some people says (yes, we do replace legacy SAN storage) but software. On VMworld 2014 in US, Nutanix announced Cloud...

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Nutanix basics – create Nutanix cluster

Nutanix basics – create Nutanix cluster

How to create Nutanix cluster At the beginning few words about what is Nutanix cluster itself. The base brick of each of the Nutanix cluster is Nutanix node. Each node in the cluster contains memory, CPU, RAM and storage  (both SSD and HDD). SSD is performance tire and HDD capacity tier. Each node in the cluster runs standard hypervisor such as: VMware vSphere Microsoft Hyper-V KVM On each cluster node runs controller VM (called CVM or...

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The ultimate VM batch deployment script.

The ultimate VM batch deployment script.

In my first blog post ever, almost three months ago I shared my good ol’ script for batch deployment of virtual machines. That script served me well for quite a few years already, but it was somewhat on the crude side of scripting, for example making use of new-vm cmdlet sequentially for each line of .csv input, also the method of controlling the deployment progress was just a sequence of while loops that tested the status of VMTools...

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vCenter Server Orchestrator on Windows

vCenter Server Orchestrator on Windows

Install and configure vCenter Orchestrator on Windows vCenter server Ochestrator can be deployed and install in few different ways: vCenter server Ochestrator virtual appliance vCenter server Ochestrator on vCloud Automation Server 6.X vCenter server Ochestrator installed along with vCenter server on Windows server vCenter server Ochestrator Standalone on Windows server I will describe installation and configuration of vCenter server...

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