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What is Smart Policies and how it works in VMware Horizon 7 infrastructure
Posted by Alex Samoylenko on February 21, 2017
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As administrators of VMs infrastructure based on VMware Horizon 7 well know, the last version of VMware User Environment Manager 9.0 (UEM) solution provides an interesting feature – Smart Policies. This functionality allows customization of user environment on a virtual desktop, depending on various conditions, such as the location from which the user logs in.

VMware User Environment Manager Management Console

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Encryption of VMware vSphere 6.5 virtual machines and vMotion migrations. And their performance
Posted by Alex Samoylenko on January 26, 2017
5/5 (2)

As many admins of virtual infrastructures know, for the first time ever, VMware vSphere 6.5 received the long awaited encryption feature of both virtual disks content and vMotion hot migrations.

The VMs encryption works based on AES-NI algorithm, and the key management is carried out based on KMIP 1.1 standard. When I/O operation comes to the disk of the virtual machine, it is immediately encrypted on-the-fly, which provides complete security against data security attack.

Virtual machine Encryption How it works

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3 useful tricks with VMware vCenter Server Appliance
Posted by Alex Samoylenko on December 29, 2016
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As is well-known, VMware has released a new version of virtual VMware vCenter Server Appliance 6.5 in the new version of vSphere 6.5 platform. Now vCSA is Photon OS-based. It works faster; it is provided with built-in high availability tools and has a ready-to-use vCenter Update Manager (VUM).

Due to the numerous changes, many familiar features don’t work anymore, and the information below will help you to get back to the normal use of vCSA.

  1. How to turn on Bash Shell and use WinSCP for vCSA

If you try to access vCSA server with WinSCP to download or upload files there, you won’t be able to do that:

vCSA server with WinSCP

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Recent news for VMware Tools packages for VMware vSphere 6.5
Posted by Alex Samoylenko on November 29, 2016
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Starting from VMware Tools 10.0 version, VMware has done these packages downloadable separately from VMware ESXi distributions. They are available here. To see the active VMware Tools version installed in your VM, simply look at VM properties in vSphere Client:

VM properties in vSphere Client

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VMworld Europe 2016 main announcements – all you need to know about new versions of VMware products in just one article
Posted by Alex Samoylenko on November 1, 2016
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Just recently one of the main virtualization conferences VMworld Europe 2016 has finished. Traditionally, it has been held a while after the main VMworld in the USA. While in the USA VMware was speaking about the new technologies and the future of datacenters, in Europe much more attention was paid to the new features of updated VMware products. The main of them is, of course, VMware vSphere 6.5 server virtualization platform. We’ll start our overview with it.

vSphere 6.5 introducing

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VMware Horizon FLEX. The architecture and the key features
Posted by Alex Samoylenko on October 20, 2016
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As far back as 2 years ago at VMworld Europe 2014 conference VMware announced the release of the VMware Horizon FLEX solution. It is a virtualization platform for desktops, which allows running virtual machines locally on users’ computers, both on Mac and with Windows, while connection to the company’s datacenter isn’t available. At the same time, the virtual machine utilized by the user can be Windows-based or have guest OS Linux inside.

Many virtual infrastructures administrators still remember that before VMware had VMware ACE and VMware View Local Mode products, which passed long ago and now have been replaced with FLEX technology. Since VMware Horizon FLEX 1.9 version, as well as the new versions of Workstation and Fusion desktop platforms, has been released just recently, let’s look closer at the FLEX solution and consider its key features.

VMware Horizon FLEX isn’t a standalone product, but a mixed technology based on three solutions:

three solutions of VMware Horizon FLEX

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How VMware sees IT future. VMworld 2016. Day 1.
Posted by Alex Samoylenko on September 1, 2016
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As you know, the main virtualization conference VMworld 2016 arranged by VMware is now being held in Las Vegas. On the first day of the conference several interesting announcements were made. For example, VMware Cloud Foundation, which soon will be available on the IBM platform and later with other vendors, as well, was presented. It allows to get a ready-made infrastructure at customer’s site with both necessary software and hardware components and ready, configured and integrated control and automation tools like NSX, Virtual SAN and vRealize:

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Instant Clone functionality in VMware Horizon 7 – how quickly and efficiently it works
Posted by Alex Samoylenko on July 22, 2016
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As far back as at VMworld 2014, VMware announced VMware Project Fargo technology, also broadly known as VMFork. It allows to make a working copy of a running virtual machine on VMware vSphere platform very fast.

The VMFork technology involves on-the-fly creation of virtual machine clone (VMX-file and process in memory), which uses the same memory (Shared memory) that the parent VM does. At the same time, the child VM cannot write to the shared memory and uses the allocated memory to write its own data. With disks, it is just the same: with the Copy-on-write technology, the changes of the parent VM base disk are written to the child VM delta disk:

VMFork technology

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VMware Photon OS + Docker Volume Driver = containers architecture on vSphere virtualization platform
Posted by Alex Samoylenko on July 4, 2016
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Many of you know that VMware has a technology called vSphere Integrated Containers (VIC). It involves launch of Docker (and others) virtualized containers in small virtual machines with a lightweight operating system based on Linux distribution.

This operating system is VMware Photon OS 1.0, which has been finally released just recently. This is the first release version of this operating system from VMware, but in the long view it can become the main platform for virtual appliances by replacing the everlasting SUSE Linux.

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How Transparent Page Sharing memory deduplication technology works in VMware vSphere 6.0
Posted by Alex Samoylenko on May 30, 2016
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You may know that memory page deduplication technology Transparent Page Sharing (TPS) becomes useless with large memory pages (it’s even disabled in the latest versions of VMware vSphere). However, this doesn’t mean that TPS goes into the trash bin, because when lacking resources on the host-server, ESXi may break large pages into small ones and deduplicate them afterwards. In the process, the large pages are prepared for deduplication beforehand: in case the memory workload grows up to a certain limit the large pages a broken into small ones and then, when the workload peaks, forced deduplication cycle is activated.

Hash Table

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