KPIs, or Key Performance Indicators, in an IT system context are measurable metrics used to evaluate the performance, reliability, and efficiency of the system. These indicators help Key Performance Indicators, or KPIs, are measurable metrics used to assess the performance,…
Although SSH should be disabled on all ESXi hosts as a security standard, there are many instances where it needs to be open. Troubleshooting is one of them. To be able to start and stop the SSH service on all…
Some scripts that I use to manage vSphere Turn off SSH if running Count the number of VMs that are in each vSphere cluster List the 10 largest VMs per cluster Per RAM Example output Export to CSV as well…
I wrote the post explaining what Admission control is So, if we have Slot Policy in Admission control active, how do we determine the maximum number of VMs we can run? We can calculate it manually or we can calculate…
ESXi Lockdown Mode is a security feature in VMware ESXi that restricts direct access to the ESXi host, allowing access only through vCenter Server. This feature is designed to enhance security by preventing unauthorized users from modifying the ESXi host…
Encrypting data drives makes sense on a laptop. If you turn it off and it gets lost, a key has to be provided to decrypt the data on the drives to make it readable. But what about the disks of…
In a previous article, I described how to activate UEFI Boot, which will disable the ESXi OS from loading 3rd party packages. What is execInstalledOnly enforcement? execInstalledOnly will ensure that non-signed scripts can be run against the ESXi. Important to…
UEFI Secure Boot is a platform feature within the UEFI specification that ensures the system boots using only the software trusted by the hardware manufacturer. Secure Boot provides a verification mechanism in which the firmware validates a boot loader before executing…
