Option 2 is actually pretty interesting as the configuration of the custom guestinfo variable is not permanently stored.
One the VM is powered on, you can extract this piece of information, here is an example: If you use the latter, you will need to reload the VM's configuration, you can use vim-cmd vmsvc/reload. You can use the vSphere Client to add this custom attribute while the virtual machine is powered off or you can manually edit the. Option 1 is pretty straight forward, you can add a custom attribute that has the following format: vmx configuration fileĢ) In VMX memory while a virtual machine is running within ESX(i) This guestinfo can be set using two methods:ġ) Hard-coded within the virtual machine's. This utility has an option called -cmd that allows you to run various commands including one that allows you to extract guest information using the "info-get" parameter.
VMX TOOLS SYNCTIME WINDOWS
Windows - C:\Program Files\VMware\VMware Tools\vmtoolsd.exe What if you wanted to to associate a specific piece of information from ESX(i) and be able to access that piece of information from the guestOS? You can do so with the vmtoolsd (VMware Tools Daemon) utility. Here is an example of retrieving ESX(i) CPU speed.Īs I mentioned before, you do not have access to the management network that your ESX(i) are on and that also means you do not have access to the vSphere APIs. This utility provide some information about ESX(i) and guestOS configuration including basic resource statistics. Windows - C:\Program Files\VMware\VMware Tools\VMwareToolboxCmd.exe The first utility is called VMware Toolbox command which can be found on both UNIX/Linux and Windows systems that have tools installed. Having said that, there are certain bits of information that you can extract about your ESX(i) host from within the guestOS using some of the utilities that is installed with VMware Tools. This of course, assumes you are following VMware's best practices in isolated and segregating off your management network from your virtual machine network. The simple answer is you can not, by default the guest operating system has no idea of the underlying hypervisor nor does it have the access to the management APIs. This entry was posted in Uncategorized on Thu, 17:34:00 -0700 by btm.From time to time, I see this question come up asking how one might be able to extract a certain piece of information from either ESX(i) or the management APIs (vSphere API) from within a virtual machine. I thought I was going to have to write a sed script and have puppet change all the vmx files and do a reboot of all the guests. Nothing appeared on the screen when I ran this on a guest, but I did notice that the vmx file for the guest on the host automatically changed from: Vmware-guestd –cmd ‘vmx.set_option synctime 0 1’ Trying combinations of the last two did nothing, but I did have vmx.set_option as a search term though and eventually found this post that just uses: #define TOOLSOPTION_SYNCTIME_PERIOD “synctime.period” #define TOOLSOPTION_ENABLEDND “enableDnD” #define TOOLSOPTION_BROADCASTIP “broadcastIP” #define TOOLSOPTION_COPYPASTE “copypaste” So I went and grabbed the new open-vm-tools source. # vmware-guestd –cmd ‘vmx.set_option 0 1’
VMX TOOLS SYNCTIME HOW TO
I saw this forum post while trying to figure out how to configure vmware guest time synchronization with scripts running off of vmware server. To the uninitiated, google may seem like a simple thing, but finding what you really need usually isn’t. That is, a certification that says I am an expert googler.
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