Install Home Assistant OS with KVM on Ubuntu headless (CLI only)

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@Aephir instead of disabling bridge filtering there’s more elegant way that may not break some of docker features, assuming vmbr0 is the bridge for KVM, took me some time to find this out to make it proper instead of disabling bridge filtering

sudo systemctl edit docker.service

paste the following snippet

[Service]
ExecStartPost=/usr/sbin/iptables -I DOCKER-USER -i vmbr0 -o vmbr0 -j ACCEPT

sudo systemctl daemon-reload
sudo systemctl restart docker
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