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Virtual Geek

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

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Microsoft Powershell: Windows 2016 Install and configure NFS server

December 16, 2017 04:51PM

Unmount NFS datastores from VMware ESXi and NFS is in use

December 10, 2017 01:53PM

Mounting NFS datastore on ESXi server is very easy, similar way you might need to remove/unmount NFS share from ESXi server for maintenance or migration purpose. To unmount it, open VMWare vSphere Web Client and select Storage tab, from the list select NFS datastore, right click on it and sele…

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Mount NFS share to multiple ESXi hosts

December 9, 2017 07:56PM

"A datastore with the same name and backing configuration already exists in the current datacenter. Change the datastore name and backing configuration to continue."

While adding NFS datastore on esxi server I saw above error. This NFS drive was already added on the Esxi001 successfully, but when…

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VMWare ESXi add and create NFS datastore

December 9, 2017 12:55PM

In the earlier article Microsoft Windows 2016 Install and configure NFS server for ESXi and Linux, I shown on installing and configuring NFS server on Microsoft Windows 2016 sever. NFS datastores is one of the file type of datastore to keep virtual machines on VMWare Esxi server, This is also good …

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Microsoft Windows 2016 Install and configure NFS server for ESXi and Linux

December 7, 2017 03:33PM

NFS (Network file system) is a distributed file sharing solution for diversified cross platform environments. It was originally designed to run on Sun solaris, This also supports and works well on windows and non-windows computers. NFS uses RPC and usually use Port (TCP and UDP) 111 and 2049. There …

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VMware Powercli : Gather distributed virtual switch information to JSON file to migrate standard switch

December 4, 2017 11:48AM

I have already written complete series on how to migrate distributed virtual switch to Standard virtual switch which helps to move Esxi host from one vCenter to another vCenter server. As you should not remove Esxi directly with distributed switch from vCenter until you move it to standard virtual s…

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How to Install and Use Microsoft PowerShell on Linux

November 30, 2017 01:50PM

As Microsoft has made Powershell open source and can be installed and used on different operating system family (Linux and MacOS), Basically Microsoft is working towards new Powershell Core make it available everywhere now and it is cross platform. As I don't have much knowledge on bash scripting, I…

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Join domain ESXi to an Active Directory OU : Powercli

November 27, 2017 02:44PM

I received request from my internal team to provide a small solution on Esxi Domain join and created when pulled it in domain computer account should be created in specific OU (Organization Unit). To perform this task first, we need complete OU path, to find it open Active Directory Users and Comp…

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Resolved: Esxi Join domain failed-Error in Active Directory Operations

November 26, 2017 11:07AM

This is some times common, you document something and if don't implement it or use something since long, you might forget knowledge or the issues you resolved earlier. I was automating join domain ESXi servers, while trying joining I was keep getting error: Errors in Active directory operations. I a…

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Part 4: Remove ESXi Host from Distributed switch and migrate to virtual switch completely

November 25, 2017 02:44PM

This is last and final part of this article series from migrating distributed switch to standard switch. In this series I have already created and copied existing dvswitch and its portgroup to new standard switch, then migrated Management network and vMotion VMkernel virtual network adapter to stand…

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Migrating move back from Distributed virtual switch to Standard virtual switch - VMs (Virtual Machine) - Part 3

November 23, 2017 02:08PM

In my earlier article after moving all VMkernel network adapters from dvswitch to sswitch, In this part I will be migrating Virtual Machine's network adapter from DvSwitch PortGroups to respective Standard vSwtich PortGroup. This is a one of the crucial stage and gather PortGroup Network information…

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Migrating move back from Distributed virtual switch to Standard virtual switch - VMKernal Adapter - Part 2

November 20, 2017 08:03PM

In this article I will be migrating VMKernel virtual adpaters from distributed virtual switches to standard virtual switch, in earlier article I addressed Copy or clone distributed virtual switch portgroups to standard switch portgroups - Powercli, this helps automating, creating Portgroup. Here I…

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Set Powershell execution policy with Group Policy

November 17, 2017 02:45PM

In this article I will be covering configuring Windows PowerShell execution policy using Group Policy, to configure environments properly ahead of time for better management, doing this takes less time to get your work done in timely fashion. For example, I gave few ps1 PowerShell script to some of …

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Copy or clone distributed virtual switch portgroups to standard switch portgroups - Powercli

November 13, 2017 12:11PM

Migrating ESXi server from one vCenter server to another vCenter server is very easy task if complete networking is on standard virtual switches. When migrating ESXi server with distributed virtual switches to another VC is also easy but requires extra steps. First it is recommended to move back fro…

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VMware hot-extend was invoked with size is not supported: Virtual Machine HDD VMDK

November 4, 2017 05:19PM

Last day I received some critical tasks on production to increase Virtual Machine Hard disk VMDK size, on around 200 vms. For 99.99% I have my own VMWare PowerCLI scripts repository to automate my tasks to complete it before time. While running script I was getting errors, To further troubleshoot I …

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vSphere PowerCLI - Configure syslog on VMware ESXi hosts and Enable security profile firewall

November 1, 2017 01:55PM

In my earlier article I wrote about Configure syslog on VMware ESXi hosts: VMware best practices using VMWare vSphere web client GUI. Configuring syslog server on multiple esxi host servers manually by clicks is very boring task, As automation is everywhere, use it to doing with better way in VMWar…

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Configure syslog on VMware ESXi hosts: VMware best practices

October 30, 2017 01:59PM

Syslog is a way for VMWare vSphere esxi servers or other network devices to send event messages to a logging server – usually known as a Syslog server (Inbuilt vSphere tool called as VMWare syslog collector). The Syslog protocol is supported by a wide range of devices and can be used to log differen…

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Reset/Restart HP ILO (Integrated Lights-outs) using putty

October 28, 2017 08:41PM

This blog article is my another part of Resolved: HP ILO this page cannot be displayed ERR_SSL_BAD_RECORD_MAC_ALERT, I found few more servers which were pinging, able to telnet ILO ip port 80 and 443 (ssl), But still webpage was either can't be displayed or site can't be reached, tried following ab…

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Resolved: HP ILO this page cannot be displayed ERR_SSL_BAD_RECORD_MAC_ALERT

October 28, 2017 02:12PM

Recently I was involved with configuring few old generation 7 HP servers. I wanted to install ESXi server on the same as well upgrading firmware, This was required ILO to be working. when checked using Internet explorer I got issue this page can't be displayed (before loading it was showing certific…

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Add multiple proxy addresses with Microsoft PowerShell in Active Directory Groups

October 26, 2017 03:45PM

This article is second part of POWERSHELL ACTIVE DIRECTORY: ADD OR UPDATE PROXYADDRESSES IN USER PROPERTIES ATTRIBUTE EDITOR, In this part, I will be changing proxy addresses on active directory groups using PowerShell script. This is helpful while migration of bulk users and groups to Microsoft Of…

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20 Blog Posts