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When I started my VirtualBox instances I planned ahead and used vhd drive files. Creating a new instance in Hyper-v using the drive has been painless and my main instance is booting up but has no network connection. I tried adding a legacy network adapter but that isn't working either, however it does show as being detected. The Ubuntu installer sees the device just fine at setup so there has to be a way to get it installed or something. I'm not a Linux guru and am having a hard time finding an answer online or from my Linux friends.

Ubuntu Server 18.04

Please help.

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  • So are you using Hyper-V or VirtualBox, they are incompatible with one another, and if you are using Hyper-V what is your host os?
    – Ramhound
    Aug 2, 2018 at 23:45

1 Answer 1

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Ubuntu 18.04 uses /etc/netplan/50-cloud-init.yaml for network configuration instead of /etc/network/interfaces

If Ubuntu is installed into VirtualBox, the interface listed in 50-cloud-init.yaml is a weird name like enp0s3. Hyper-V uses a standard eth0 or something. I don't really know the technicalities of it, but when I changed it to say eth0, it started working after a reboot.

The file looks like this:

network:
    ethernets:
        eth0:
            addresses: []
            dhcp4: true
            optional: true
    version: 2
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