Virtual Geek

Tales from real IT system administrators world and non-production environment

Stuffs from real IT system ADMINISTRATORS world and my LAB

Create and configure VMWare vSphere VSAN cluster step by step

January 16, 2018 03:09PM

VMware vSAN is a Hyper-Converged storage (Software Defined Storage) solutions with a vSphere-native, high-performance architecture. With software defined storage, it has opened new opportunities to new skills. With vSAN we can use local disk and create highly available, scalable, high performance datastores for vSphere infrastructure. Benefit of using local disk is there low latency and in the VSA…

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Emulate HDD as SSD flash disk on Esxi and VMware workstation

January 14, 2018 09:03PM

I was required (emulated) virtual fake SSD in VMware workstation for few demos and testing purpose. I am already using SSD on my system, If vmdks are kept on the Solid state drives, VMs detects vmdk disks as SSD/Flash disk, but if you don't have SSD, it can be easily emulated with a trick configuration, but doing so performance is the same as HDD.


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Configuring a vCenter PSC Single sign-on Active directory Integrated windows authentication

January 14, 2018 02:16PM

In my one of the earlier article I shown ADDING AND CONFIGURING VMWARE VSPHERE VCENTER SSO ACTIVE DIRECTORY AS LDAP SERVER, That was one of the security best practices, Here I am going to perform the same task but will use Active directory integrated windows authentication way instead. For this few more steps need to configured on vCenter server. First step is vCenter server need to join into Ac…

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Copy Files with PowerShell Remoting WINRM Protocol

January 11, 2018 12:21PM

Microsoft Powershell psremoting is just not limited to remoting into computers, it can also use to copy files over winrm protocol to remote system the same way, you use files are copied on traditional SMB protocol. This requires some psremoting configuration using POWERSHELL PS REMOTING BETWEEN COMPUTERS. To show everything from scratch I have listed my files using dir command from local folder…

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Generate random password GUI using powershell

January 6, 2018 11:08PM

I had one of the requirement to write Strong Random Password Generator :Microsoft Powershell earlier but it was completely command line based, and the applications users who were using it, due to non-technical background were not able to execute it correctly, So the team who requested the script wanted it in GUI form (Graphical user Interface) so it can be easily used by anyone buy running just E…

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Reset ESXi root password using vCenter server: VMWare vSphere Web client

January 4, 2018 12:49PM

Recently I got assigned one of the VMware project, while taking handover I found esxi root passwords are not documented properly for the VMware infrastructure project, Luckily 40% Esxi host were joined into domain and I was able to reset password using Reset forgotten ESXi root password on Domain joined Esxi using vSphere web client and Powercli with few AD changes (group creation), Next thing …

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Powershell Active Directory: Show treeview of nested Group members downstream hierarchy

January 3, 2018 01:29PM

This script is second part of my earlier article Powershell Active Directory: Show treeview of User or Group memberof hierarchy, earlier was showing upstream tree view of nested MemberOf groups. After writing the first script I got another requirement to show treeview in reverse order, Group members hierarchy in downstream order from Members tab. To write this script I have made very few changes …

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Strong Random Password Generator :Microsoft Powershell

January 2, 2018 03:57PM

This is my first article in the starting of year 2018, I have taken and re-written it from my earlier post. This script is written completely from scratch. This generates very strong random password. It randomize a chooses each password character using .net class object System.Security.Cryptography.RNGCryptoServiceProvider, which I have explained in Microsoft Powershell generate random anything…

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Powershell execution policy setting is overridden by a policy defined at a more specific scope

December 31, 2017 01:38AM

While setting up execution policy (Set-ExecutionPolicy) on powershell, there might be a below error.

Set-ExecutionPolicy : Windows PowerShell updated your execution policy successfully, but the setting is overridden by a policy defined at a more specific scope.  Due to the override, your shell will retain its current effective execution policy of Unrestricted. Type "Get-ExecutionPolicy -List" t…

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The top 10 reasons to upgrade to VMware vSphere 6.5

December 29, 2017 04:18PM

1. Reorganize Administration and Management with a New and modern HTML5-Based User Interface 
Administer and manage the virtual data center with the responsive, easy-to-use new HTML5-based vSphere client interface. Although I am still big fan of vsphere client, As new versions of vsphere will be keep coming in near future you might see, desktop installable c# vsphere client is completely discont…

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