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Installation • installing Debian 12.6 on KVM with virt-manager, how to shut of networking

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The underlying question is whether vm's need access to the host. Guest on a macvtap do not see the host and don't necessarily need to. All vm's on a common macvtap can see each other.
With this VM guest, I will need a shared folder with the host. That is the only connection I know of. I don't know how this works under the hood well enough to know if shared folders work like a network connection or use some other protocol. As long as usb is working I could get by without a shared folder, at least for now.

In the NIC panel, the options are,
- Virtual network 'default' : NAT
- Host device eno1: macvtap
- Specify shared device name

I tried to use "Specify shared device name" and leave it blank or use a filler name that doesn't connect to anything but both throw an error. Do you have a suggestion for disabling the network in the installed VM?

My current thought is to unplug the Ethernet cable and install. Perhaps I can skip the network in the installer, I haven't installed Debian enough times to remember that. If not, I can disable the network in the running guest after it boots and then disable virbr0 and virbr0-nic in the host before reconnecting the cable. That seems like an unnecessarily odd procedure but I'm not sure what else would work.

LMHmedchem

Statistics: Posted by LMHmedchem — 2024-08-20 21:24 — Replies 5 — Views 76



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