Category: ESXi
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Changing DNS Settings on ESXi Hosts
Reading Time: 3 minutesChanging DNS Settings on ESXi Hosts is an article that shows an automated approach to changing the DNS configurations on all connected ESXi hosts under the same vCenter Server, using a Python script. The idea is to use a Linux CentOS 9 as a script server. We’ll execute a Python script from this…
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Changing NTP Settings on ESXi Hosts
Reading Time: 2 minutesChanging NTP Settings on ESXi Hosts is an article that shows an automated approach to changing the NTP client configurations on all connected ESXi hosts under the same vCenter Server, using a Python script. The idea is to use a Linux CentOS 9 as a script server. We’ll execute a Python script…
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Upgrading VMware Tools on ESXi Hosts
Reading Time: 3 minutesUpgrading VMware Tools on ESXi hosts is an article that shows an automated approach to upgrading the VMware Tools version on an ESXi host, using a Python script. The idea is to use a Linux CentOS 9 as a script server. We’ll execute a Python script from this server to connect to…
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Recover ESXi Host Network
Reading Time: 6 minutesRecover ESXi Host Network shows all the necessary steps to recover an ESXi management network when connected to a vSphere Distributed Switch (VDS). First things first: Describing the Scenario So, in this example, we have a four-node vSAN cluster, and the first ESXi host, for some reason (wrong configuration such as VLAN…
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What is vSphere vMotion?
Reading Time: 6 minutes“What is vSphere vMotion?” is an article that explains vSphere vMotion and provides some important details about this process. About VM Migration Migration means moving a Virtual Machine (VM) from one ESXi host, datastore, or vCenter Server instance to another ESXi host, datastore, or vCenter Server instance. In this context, a migration…
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Getting the SSH RSA Key Fingerprint and SSL Thumbprint of an ESXi Host
Reading Time: 3 minutesGetting the SSH RSA Key Fingerprint and SSL Thumbprint of an ESXi Host is an article that aims to collect SSH and SSL details used during the VCF management domain bring-up process. What is the SSH RSA Key Fingerprint? It is like a unique identifier for an SSH public key. A fingerprint…
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How to configure the network on an ESXi host using the command line
Reading Time: 3 minutesHow to configure the network on an ESXi host using the command line is an article that explains how to create a standard switch (VSS), a port group (PG), and a management vmkernel interface using the esxcli command. Here, we have an ESXi host without any vmkernel interface. Consequently, we cannot access…
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Using the vim-cmd Tool
Reading Time: 6 minutesUsing the vim-cmd Tool is an article that explains some useful commands with the tool vim-cmd for troubleshooting hosts and VMs in your virtual environment. Basically, the VMware Infrastructure Management command (vim-cmd) is a CLI (Command Line Interface) tool for managing ESXi hosts and their VMs from the command line. Some important…
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How to use iperf on ESXi host
Reading Time: 4 minutesHow to use iperf on ESXi host in an article that explains how to use iperf to test network performance on an ESXi host. Basically, what is iperf/iperf3? Based on the website https://iperf.fr/, iPerf3 is a tool for active measurements of the maximum achievable bandwidth on IP networks. It supports tuning various…
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Some useful esxcli network commands
Reading Time: 7 minutesSome useful esxcli network commands is an article that shows some useful esxcli network commands that help the administrator in day-to-day life. So, before we start, I would like to share a command reference (guide) related to the ESXi command. In this guide, we can find a lot of esxcli commands, syntax,…
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Applying a patch on the ESXi host
Reading Time: 4 minutesApplying a patch on the ESXi host is an article that explains how to update the ESXi host. There are some ways to perform it. But, in this example, we will apply the patch from the CLI (Command Line Interface). The VMware Article 2143832 shows the build numbers and versions of all…
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How to install VMware ESXi 8 in Lab Environment
Reading Time: 5 minutesHow to install VMware ESXi 8 is an article that describes how to install the ESXi 8, step-by-step, in a lab environment using the VMware Workstation software. If you don’t use VMware Workstation, no problem, I believe that all concepts can be used in any way (physical or another virtual environment). I’m…