This article will focus configuring VLANs in my VMware ESXi home lab. Before creating nested ESXi servers I wanted real VLANs to be used for NSX-T lab. For VLANs inside nested ESXi I can easily achieve it using VyOS virtual router virtual machines. [There are other VyOS virtual routers alternatives …
Blog posts : "esxi"
PowerCLI GUI: One Click Renew and Refresh VMware VMCA ESXi Certificate
This is second script article wrote on same topic 'How to Renew and Refresh an ESXi Certificate with a PowerCLI script'. In the earlier post I gave simple PowerCLI script, very easy to execute. In this article I have written the same script but added a Graphical User Interface for more easiness. Bel…
How to Renew and Refresh an ESXi Certificate with a PowerCLI script
By renewing VMware ESXi server certificate through vCenter Server you can safeguards adherence to security best practices. You renew ESXi certificate to continue securing connection for your vSphere environment, avert trust issues with vCenter Server, and guarantee compatibility for upgrades, as exp…
Fix CPU Support Error: Installing VMware ESXi 9 on Unsupported CPUs
While testing the newly released VMware ESXi 9 in my lab environment, I was seeing the following error during the installation process. This issue popped up right after the system scan and was not letting me do the complete deployment. In this article, I’ll walk you through the cause of the error an…
VMware ESXi Unattended Setup: Building a Kickstart-Enabled Custom ISO from Scratch
Why Build a Custom ESXi Kickstart ISO?
Automating ESXi installations eliminates manual configuration errors and accelerates data center scaling. By embedding a Kickstart (KS.CFG) file into your ISO, you achieve:
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Zero-touch deployments: Install ESXi with preconfigured network settings, pa…
Advanced VMware Virtual Machine Disk Mapping HTML Reporting with PowerCLI
While managing large Broadcom VMware environments, understanding how multiple Virtual Machines virtual disks are mapped across datastores, SCSI controllers, and guest partitions is critical for performance tuning, troubleshooting, and capacity planning. Doing this manually is time-consuming and erro…
Broadcom VMware PowerCLI based ESXi capacity planner html web portal
I had a requirement to provide a solution for monitoring ESXi servers' CPU, memory, and datastore usage to non-IT or developer users without giving them direct access to vCenter or ESXi servers. The solution needed to avoid using any additional applications or tools. Previously, I had set up a syste…
PowerCLI List Add Delete Role Assignment account user on ESXi server with esxcli
I faced a scenario where I needed to automate the execution of a shell script on VMware (Broadcom) ESXi servers, version 7. The task involved renaming /etc/rc.local.d/local.sh to a .bak extension and restarting all services using /sbin/services.sh restart, which was necessary to resolve VM disconnec…
Developing and writing custom Ansible Python module Part 2
This is a second part of Developing and writing Ansible Python custom module for VMware pyvmomi example. In this example I have extended writing python module for VMware ansible to get more information from vCenter server from one single python ansible module script.
Download this custom ansible…
Developing and writing Ansible Python custom module for VMware pyvmomi example
There may be requirement in RedHat Ansible when you write custom module when you don't fine tasks module for certain objects, that time you will need to write your own custom python module. In this given example I was using community VMware vSphere module with ansible and wanted to list all ESXi ser…
Terraform clone virtual machine template in VMware vSphere vCenter Dynamic Content Part 2
This is improvised Terraform configuration scripts to clone Windows and Linux Template from VMware vCenter server. I have made few improvements in the configuration adding dynamic content block in the modules for network and disks. Another change is use variables, New VM information from csv file to…
Terraform clone virtual machine template in VMware vSphere vCenter Dynamic Content Part 2
This is improvised Terraform configuration scripts to clone Windows and Linux Template from VMware vCenter server. I have made few improvements in the configuration adding dynamic content block in the modules for network and disks. Another change is use variables, New VM information from csv file to…
Terraform clone virtual machine template in VMware vSphere vCenter from CSV file
While working on cloning virtual machine in vCenter from template I already written two articles Using terraform to clone a virtual machine on VMware vSphere infrastructure and Terraform module clone VMware vSphere Linux and Windows virtual machine. But I wanted to improvise it as I got some modific…
How to PowerCLI VMware Snapshots Virtual Machines disks consolidation is needed
In earlier part Solved: VMware Snapshots Virtual Machines disks consolidation is needed I performed steps on vCenter Portal GUI. Here I will use VMware PowerCLI to perform the same steps to automate it.
First step is to connect to vCenter server using command Connect-VIServer. Use below command …
Solved: VMware Snapshots Virtual Machines disks consolidation is needed
I was cleaning up some datastore data due to storage space low. I found there were few old long snapshots exist on VMs. After deleting those old snapshots from VMware Virtual Machines I was seeing warning and information message on summary page Virtual machine disks consolidation is needed status.
…Update offline bundle zip on standalone ESXi host using commandline without vCenter
This is a step by step procedure to update offline bundle zip on standalone ESXi host using command line without vCenter. I was updating few of my VMware ESXi servers in my home Lab environment. There were few ESXi hosts in the lab were standalone and not connected to any vCenter server. On the stan…
Update ESXi servers in VMware Cluster using vCenter Lifecycle Manager
It is best practice to keep you ESXi server up to date to keep server out of vulnerabilities and issue. Patching helps to resolve new upcoming CVE's and keep server compliant in security team's report. In this article I will update entire cluster using VMware Lifecycle Manager in vCenter server 8. I…
Build custom ESXi image using VMware Image Builder
In this article I will show how use VMware Image Builder to customize and create ESXi ISO images.
VMware Image Builder is a powerful functionality within vCenter Server that enables the packaging, validation, and distribution of ESXi OS ISO/Zip software images across various platforms within an …
Update vCenter Server Appliance (VCSA) from VAMI portal
This is a step by step procedure updating vCenter Server Appliance (VCSA) using VAMI portal. Before making update to vCenter server make sure you properly backup vCenter server using article Backup VMware vCenter server using SMB protocol. As I am testing update in DEV environment I have taken a sn…
Second VMKernel port not working or reachable on nested ESXi server in VMware ESXi server
I was building nested VMware vSphere lab for POCs. While configuration I was facing strange issue after installing nested ESXi server as virtual machine on Physical ESXi Server, I created Few VMs and VMKernel ports on nested ESXi VM. But when I was trying to connect VMs or new VMKernel port it was f…
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