NSX security group misconfiguration
Recently I ran into an issue in which the tenant was not able to connect to its virtual machine from their office network. The tenant environment sits on an infrastructure build with VMware NSX and the vRealize suite. Now the solution to this problem wasn’t…
Please stop stretching your VLANs, virtualize your network
Network admins hate stretching VLANs across data centers, we absolutely hate it. It causes potential instability on a inter-data center scope, destroys our isolated fault domains; something happens with VLAN X on site A, it also can take down site B (unless you take special…
Virtualize Your VoIP Phone System? Yes You Can!
It’s summer and during summer, VMware Netherlands traditionally organizes the VMware Summerschool. I love to be there as you get to talk to people you normally wouldn’t meet. So, recently during the coffee break I found myself having a conversation I haven’t had for quite some…
Update your knowledge at VMware’s Summerschool
It has become sort of a tradition; The VMware Summerschool at the VMware offices in Utrecht, Netherlands. Every year during the summer, VMware’s SE’s get up and in front of a whiteboard and beamer to talk about the old and the new things in VMware’s…
New release vSphere HTML5 Web Client fling
A few months ago a new fling was released called “vSphere HTML5 Web Client“, this fling can be used in conjunction to the standard vCenter interfaces. The fling client is build on HTML5 and javascript and is deployed as a OVA. When they first released…
PowerShell Friday: Retrieving IP addresses for VMs
As I explained in the article about ExtensionData each VM object has a lot of information stored. If you want to know the IP addresses of a particular VM you can use PowerCLI to get those properties. You can get the IP addresses for VMs…
Dutch VMUG UserCon 2016 impressions
Last week the dutch VMUG UserCon was held again and it was amazing. I think it’s safe to say that it again was the biggest VMUG usergathering in the world for the second year in a row with around 1.000 attendees. Virtualization clearly has a…
Join us at Dutch VMUG UserCon 2016!
There are times when I’m especially proud to be Dutch. Last year, the Dutch VMUG UserCon was the largest VMUG gettogether in the world. Almost 1.000 particpants gathered in the venue in Den Bosch to exchange knowledge, listen to sessions, network and enjoy a drink….
PowerShell Friday: ExtensionData
Did you know that VMware stores a lot of information about your virtual machines? And that you can retrieve all that data with PowerCLI? When you retrieve an object from vCenter or your ESXi host you get a lot of information. When you use Get-VM…
The Software Defined Enterprise – Part 1: The Digital Workspace
The Software Defined Enterprise is becoming reality in a world that is changing around us in an ever increasing pace. Organizations which do not organize their business processes to absorb and adopt change will remain behind. Functionality is increasingly being delivered through software, where the…
PowerShell Friday: Enabling SSH with PowerCLI
Even if you have all the graphic tools that you want to manage your virtual environment, sometimes you still want to use command line utilities for maximum control or for something that isn’t really supported. There are more than one way to enable SSH on…
vCenter Server appliance 6.0 URL-based patching
With the recent release of vCenter Server appliance 6.0 Update 1b support was added for patching your vCenter server appliance, making use of a URL within your company network. Before this patch your vCenter appliance would have to make a direct connection with the internet and…
PowerShell Friday: Copying files with Copy-VMGuestFile
Every now and then you can run into the situation that you have a file wich needs to be distributed to any number of virtual machines. Now you could logon to these servers and copy the file manually and for maybe a handfull of virtual…
PowerShell Friday: Setting Reservations with PowerCLI
When configuring your virtual machines sometimes you want to set reservations. Like I said in the article about adding memory: You can go into the vSphere Client to change the configuration, but where is the fun in that? Why not do everything from the command line? And preferably…
Best Practices running VMware with NFS
Best Practices running VMware with NFS There are several ways to store your Virtual Machines that run on your VMware Cloud Backend storage. You can store them locally on internal storage or on direct attached storage (DAS). Another way is to tie your ESXi servers…