Author: Danilo

Configuring vCenter Server HA is a practical guide that explains how to implement High Availability for VMware vCenter Server environments. This feature helps protect the vCenter Server management platform by using additional nodes to provide availability during failures. The vCenter Server is a critical component in a vSphere environment, responsible for managing and configuring cluster resources. Without High Availability, recovering an unavailable vCenter Server instance can require additional time and manual intervention. In this tutorial, we will configure vCenter Server HA by creating the required network configuration and deploying the Active, Passive, and Witness nodes. The process covers the HA…

Applying a patch on the vCenter Server is an essential maintenance task to keep VMware environments updated, secure, and running with the latest fixes. This guide explains how to update vCenter Server using the Command Line Interface (CLI) and a patch ISO file. There are different methods available to update vCenter Server, but in this article we will focus on the CLI-based approach. This process allows administrators to stage and install the patch directly from the vCenter Server Appliance environment. Before starting the patching procedure, it is important to verify the current vCenter Server version, review the available patch release,…

Configuring CentOS 7 Network is a practical guide that explains how to configure network interfaces in a CentOS 7 system. This article covers the process of obtaining IP settings automatically through DHCP and configuring a static IP address manually. CentOS 7 uses predictable network interface names instead of the traditional eth0 naming convention found in older Linux distributions. Understanding these interface names is essential when modifying network configuration files and troubleshooting connectivity issues. In this tutorial, we will configure the network interface on a CentOS 7 virtual machine, showing how to identify the correct interface, edit network configuration files, restart…

How to install vCenter 8 is a step-by-step guide that explains how to deploy the vCenter Server Appliance in a laboratory environment using VMware Workstation. Although vCenter 8 is not fully homologated for this platform, this article demonstrates a practical approach to complete the installation process. The installation process for vCenter 8 is very similar to previous versions, but some additional adjustments may be required when running the appliance in VMware Workstation. During testing in our lab environment, an error occurred during Stage 2 of the deployment process. In this tutorial, we will show how to install vCenter 8 in…

How to install CentOS 7 is a practical guide that explains how to deploy this stable Linux operating system step by step. CentOS has been widely used in server environments because of its reliability, compatibility, and enterprise-focused approach. CentOS is a Linux distribution based on the Red Hat Enterprise Linux ecosystem and has been available in different variants, including CentOS Linux and CentOS Stream. Each version follows a different development model and can be selected according to the requirements of each environment. In this tutorial, we will demonstrate how to install CentOS 7 in a virtual machine using VMware vSphere.…

Introduction to the VMware PowerCLI is an article that introduces the very interesting commands that helps to administrate a vSphere Environment from Powershell CLI. Besides, it’s a very useful thing to automate a lot of administrative tasks 😉 VMware PowerCLI is a command-line and scripting tool built on Windows PowerShell and provides more than 800 cmdlets for managing and automating VMware vSphere, VMware Cloud Director, vRealize Operations Manager, vSAN, VMware NSX-T Data Center, VMware Cloud Services, VMware Cloud on AWS, VMware HCX, VMware Site Recovery Manager, and VMware Horizon environments. To access the VMware PowerCLI user’s guide, the below link…