On 09/15, Klaus Espenlaub wrote: > On 15.09.2016 09:12, Ivo Smits wrote: > > > > VirtualBox has Guest Properties, which I think are very similar to > > VMware's GuestVariables. You can use Guest Properties via the command > > line: https://forums.virtualbox.org/viewtopic.php?t=10823 > > > > Or via the COM API: > > https://www.virtualbox.org/sdkref/interface_i_machine.html#a9f2fffade4b897eb659cc4602694676d > > > Right, Guest Properties sounds like a suitable mechanism. It has > reasonably high limits (can easily handle several 100KB), and handles > anything which is valid UTF-8. Don't try to abuse it as a way to pass > binary data directly, because then you'll run into 'random' failures > when the UTF-8 validation sets off the alarm. Oh, and if you pass large > data it's probably a good idea to mark the guest property as transient > so that it doesn't cause VM settings bloat.
Yes, this is exactly the functionality I need. I don't understand how I could have missed this in the docs... Thank you for pointing this out. > > On the guest side you'll probably need the VirtualBox Guest Additions > > including its kernel module to be able to access the properties. > > > Not "probably", Guest Additions in the VM are a must have if you're > intending to use Guest Properties. Noted. Thank you both again. -Alex
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