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 from this server…
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 each ESXi host…
Reading Time: 5 minutesvCenter Reduced Downtime Upgrade shows how to perform a vCenter Server upgrade with reduced downtime. First and foremost, what is the Reduced Downtime Upgrade? Reduced downtime upgrade (RDU) is a migration-based approach to upgrade vCenter Server between major and minor versions that reduces downtime to less than 5 minutes under ideal network, CPU, memory, and storage…
Reading Time: 5 minutesIn this article, we’ll show you an example of how to use NAT on NSX-T. First and foremost, what is NAT? NAT is an acronym for Network Address Translation and acts as a translator of IP addresses – an example of NAT usage in providing Internet access to internal devices. In this scenario, we have…
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 tagging, etc), is…
Reading Time: 6 minutesChanging the Hostname on a Production vCenter Server shows all the steps I have used to change the vCenter Server hostname. Disclaimer: All steps shown here were performed in a lab environment. Before applying them to your environment, make sure to understand everything and, if possible, replicate them in a lab or test environment. We’ll…