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How to Configure Time Server (NTP Server) on Centos 7?

Prerequisites: VM/ Physical – It is recommended to have the time server as a physical server, but VMs should be okay depending on your setup and requirement. My virtual lab environment is VMware based so here’s the guide for a VM. Once the CentOS Minimal is installed on the VM make sure to install open-vm-tools. […]

How to restart management agents on ESX or ESXi host

If you are not unable to connect ESXi server to vCenter, or when you cannot connect to ESXi server from VI client it may be necessary to restart the management agents on ESX or ESXi host. To restart the management agents on ESXi 6.x This applies to ESX4/5.x/6.x For the restart of the management agents (mgmt-vmware […]

Using PowerShell or PowerCLI to update VMware tools on VMs

We need to first find out what VMs need updating. Run the following command to get the list:

VMware makes it easy to update VMware tools through the console, but clicking through hundreds of VM’s takes too much time. Thankfully VMware has provided us with the Update-Tools cmdlet so we can automate this process. Here […]

VMware: Intermittent Error: Unexpected character ‘’ (code 65279 / 0xfeff) in prolog; expected ‘<' at [row,col {unknown-source}]: [1,1] pop up in Windows vSphere client ?

Recently, I got the error below when using the vSphere client. Problem: I have only tested this solution on: Solution: Repair your installation of Microsoft Visual J#® 2.0 Redistributable Package – Second Edition (x64) Download The error went away after repair. In trying to google the error some user have reported that uninstall the patch KB3147458 worked for […]

Silently Update VMware Tools with Guest Introspection Drivers

If you’re looking to use VMware NSX’s Guest Introspection feature, you’re going to need theGuest Introspection Thin Agent component installed with VMware Tools. This feature is not installed by default, which requires going back and updating your VMware Tools installation. [su_box title=”Did you know…” box_color=”#f3f1cb” title_color=”#000000″ radius=”6″]This feature was known as the VMware vShield Endpoint Thin […]

ESXi 6.0 not detecting BROCADE HBA adapter

Steps: Make sure HBA is connected on the PCI slot and visible under esx hardware list:

Check if VMKernel can detect any storage via Fibre Channel

(output will be blank line if HBA driver is missing but HBA appears to be in PCI card determined from step 1)

Search and download the […]

How to Install VMware Tools on RHEL 7/CentOS 7

VMware Tools is one of important components for virtual machine (VM) in order get excellent performance. It is a group of utilities that help to enhances the overall performance of the virtual machine’s guest operating system (OS) and improves management of the VM. Without the VMware Tools, guest OS performance will lacks some of the […]

Mohammed Wasay

Dallas based Design Technologist & Hybrid Developer