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Automating ESXi host level changes without opening SSH

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I have been asked by many if it is possible automating ESXi host level changes without opening SSH. In many organizations people are prohibited to open SSH however they do have the need to make certain changes on a host level. One of those changes for instance is in a stretched cluster environment where “disk.terminateVMOnPDLDefault” needs to be set to true. This setting can only be configured in /etc/vmware/settings unfortunately. So how do you automate this?

Andreas Peetz from V-Front.de came up with an awesome solution. He created a plugin to esxcli allowing you to run commands on an ESXi host. So in other words, when you install his plugin (it is a vib) you can remotely fire off a command on an ESXi host as if you are sitting behind that host.

How does that work? Well first of all you install the vib Andreas created. (Or include it in your image.) When it is installed you can simply run the following on any machine that has the vSphere CLI installed:

esxcli -s hostname -u username -p password shell cmd -c "command"

Awesome right?! I think so, this is probably one of the coolest things I have seen in a while. Very clever solution, once again… awesome work Andreas and head over to V-Front.de to get more details and the actually download of this plugin!

** Disclaimer: implementing this solution could result in an unsupported configuration. This article was published to demonstrate the capabilities of esxcli and for educational purposes **

"Automating ESXi host level changes without opening SSH" originally appeared on Yellow-Bricks.com. Follow me on twitter - @DuncanYB.

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