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A separate batch file is needed (poweroff.bat) that runs the shutdown script with the parameters – but that could shut down other ESXi boxes as well if required. PowerChute has an option to ‘run this command’ but it’s limited to 8.3 paths and won’t accept command line parameters. I’ve therefore used a separate Windows management VM to host PowerChute and my script, since I wanted everything else just suspended.
APC PowerChuteĪ potential issue is that APC’s PowerChute Network Shutdown utility will always shut down the Windows machine it’s running on.
Apc powerchute for mac high sierra download#
I have put all the necessary script files into a single convenient zipped file which you can download from here – the scripts are fairly well commented so you should be able to follow what is happening. The script needs something to launch it – APC PowerChute Network Shutdown in my case – and a utility to send the commands over SSL, for which I’ve used Nmap ncat (which just needs to be installed).
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Using this newly found knowledge I’ve created a Windows batch file (with a few supporting text files which are basically HTTP requests) that takes the hostname, username and password as parameters and will then shut down the host cleanly. ESXi’s startup and shutdown policy will do the work suspending or shutting down individual VMs, as configured through the vSphere Client. A little manipulation is needed to get the session keys in, but that is basically it. The traffic captures revealed that only three frames would be needed to perform the shutdown (hello, authenticate, and shutdown). As luck would have it, the client is nothing more than a glorified web browser with the slight complication that it’s talking over SSL – but that’s no problem for PortSwigger’s Burp suite in its transparent proxy mode. I’ve been finding a lot of use recently for network sniffers, so thought I’d have a look at how the VMware vSphere Client works, as obviously that can shut down the host. The VMware management appliance ( vima) can shutdown only paid-for installations of ESXi (using apcupsd and VMware community member lamw’s scripts) – the necessary interfaces on the free version have been made read-only since ESXi v3.5 U3.
With the batteries changed the UPS burst into life – but after some messing about getting the right firmware on it, I was disappointed to find no easy way to get it to shutdown my ESXi box when it needed to. I recently acquired an APC Smart UPS that was being chucked out from work (having never worked) for my home lab along with an ancient AP9606 management card. So read on to find out how James overcame this issue in his virtualization lab. Tighter integration between a UPS and a VMware ESX/ESXi host is no doubt something that will become more mature over time though for now it can be an issue for many administrators especially those running the free version of ESXi.
Apc powerchute for mac high sierra how to#
In this latest post by TechHead guest contributor James Pearce he covers a topic near and dear to many of us – how to get VMware ESX/ESXi and its VMs to shut down gracefully upon power failure to the host.
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