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Configure NSX Edge Load Balancer for Horizon

Since NSX 6.4.5 you are able to configure a load balancer from the HTML5 client. In the below case, i’ll configure an NSX edge to load balance traffic between my connection servers.

Step 1 : Deploy a NSX Edge

In networking and Security, clic on NSX Edges and Add
Configure a name and a host name for your NSX Edge, in my case i’ll do not use HA.
Configure a username and a password, take care that the policy is more restrictive than usual.
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Upgrading an ESXis with nVIDIA GPU

Not a lot of content about this task on internet. Nothing is really complex but you need to follow the steps corretly otherwise you 3D applications will become unusable.
In my case, here few details about the infrastructure:
– Dell R730 servers
– nVIDIA M60
– Two servers within a dedicated vSphere cluster
– Current ESXi version 6.0.0

First things first : Put the host in maintenance mode.
This will ensure that no VM is running on the host.

Step 1 : Remove the nVidia driver

Stop the xorg service (used for 3D purposes) by running the command:
/etc/init.d/xorg stop
Remove the NVIDIA VMkernel driver by running the command:
vmkload_mod -u nvidia
Identify the NVIDIA VIB name by running this command:
esxcli software vib list | grep NVIDIA

In my case the corret vib to remove is “NVIDI-vGPU-VMware_ESXi_”
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Configuring HCX : Part 1

What is VMware HCX?

HCX also know as VMware NSX Hybrid Connect or as VMware Hybrid Cloud Extension allow you to migrate workloads between your on prem’ infrastructure and VMware on AWS for example.
You may also migrate workload between different cloud provider.
To go simple, that’s the first step to transform your on premise environment to a hybrid one.

First, when you subscribed to the service appliance will be automatically deployed into your SDDC in VMware on AWS:

Deployment into your SDDC

Then go back into the administration of HCX and download the OVF for HCX for the on prem’ side.

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VMware Flings : Code Capture

Code capture is one of my favorite tool that came from the VMware flings.
The january 14th the tool has been updated to the version 4.0.
One of the most important improvement is that the tool is now compatible with vSphere 6.7.
It simply allows you to record actions that you perform with H5 client and then automatically generate PowerCli code. great no?

How can i get access to code capture?

It’s available trough the html5 client fling. You juste need to deploy the client with its appliance, connect to your vCenter and here you are.
Simply deploy the ova and configure it trough with the new configuration tool :

Simply provide SSO server, root account on it and password.

Let’s generate some code?

Simply connect to the ui trough the link displayed in the configuration tool.
Then click the red button on right corner, perform actions and clic again on the red button.
Your PowerCLI code is now ready to use!

You can easily download this flings here :
HTML 5 Client Fling


Create and manage a SDDC on VMWonAWS

This end of week i had the chance to participate in a really nice training : VMware on AWS : Deploy and manage.
I’ll try to perform a serie of blog posts around this trendy topic that i performed along this formation.

What it look to create a new SDDC into VMware on AWS?
First, let’s connect to vmc.vmware.com And click on “Create SDDC”

It’s quite simple but you have few choices to perform :
AWS Region : In my case I picked, EU (London), you may choose between many AWS region. Below find some detailed informations on this :

Deployment : Single host is possible but only for 30 days. In my case, i’ll pick multi host.
Strech cluster allows you to create your SDDC stretched out between two zones to create an SDDC that is highly available, fault tolerant and scalable.
SDDC Name : Simply the name that you’ll give to your SDDC
Number of hosts : Choose between 3 or 4 in your first cluster, you will be able to scale out your SDDC with another cluster up to 16 hosts.
Cloud : Option that you can’t see in production. 
Zerocloud is dedicated to training environment. It allows you to create “fake” SDDC. Nothing will be deployed at the end of this operations.

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NSX : Communication Channels Down

As explained in a previous blog post, I’m working on NSX these days. I’m still performing some setup on my NSX Lab. 

The NSX lab is a nested one, with 4 ESXis.
One cluster for management, one for workload, 2 ESXis in each cluster.

I started to deploy NSX services on the management cluster and I had an issue when I deployed VXLAN.
One of my ESXi had an issue with communication channels, it was simply down :

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NSX 6.4.4 : Full HTML5 support… or not

Mid of december, last version of NSX-V came out. One feature that was really expected was the HTML 5 full support.
On my side, i just came back from one week training on NSX : Install, configure and manage. My goal for the coming weeks is to pass the VCP-NV.

This week i started to build a lab : vCSA 6.7U1 / NSX Manager 6.4.4 / 4 nested ESXis on 6.7U1 too.

Today, i was really surprised that i was not able to use my licence key on NSX solution trough the HTML5 client, key isn’t visible:

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Vulnerabilities : Access ESXi shell from a VM

Since a long time, many of security experts said that it may be possible to access to the ESXi shell trought a VM. No one had the ability to demonstrate this. This time is ended.

During the “GeekPwn2018”, Zhangyanyu from ChaitinTech company demonstrates this critical vulnerabilitie.

He get the skill to demonstrate how to do it, here a quick video from Julien Mousqueton’s Channel :

He used memory stack uninitialized in vmxnet3 to put code and execute it on the host. If you are using E1000 no issue with it.

If you need further details on this, you may check the official communication from VMware:
https://www.vmware.com/security/advisories/VMSA-2018-0027.html

In order to solve this vulnerabilitie, you’ll need to install ESXi670-201811401-BG patch.


VMworld 2018 : First Timer

Here is the time for a recap from the 2018 VMworld edition, first time for me.
That was one of my greatest profesionnal opportunity.

How can i summary it ?
– Great Community
– Great partner
– Great party
– And AMAZING session / workshop.

12000 IT Guys, 90 nationalities, it gives you an idea of this amazing 10th VMworld Europe. Continue Reading


vSphere 6.7 U1 : HTML 5 Client full featured

We’re waiting this since VMworld US : vSphere 6.7 U1 is out since few days, and this new version brings some really new cool features.

I was expecting this one since the HTML 5 client is out : having the capability to use ONLY this client. No more flash client!

How to update? 

First update your vCSA, go into the Management page and in “update” section select “6.7.0.20000”. The update is cumulative one so don’t worry about the other.

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