How to configure Linux KVM bridge on Ubuntu 18.04 & 20.04 LTS ?
1. Install all the required KVM packages: # apt install qemu-kvm libvirt-clients libvirt-daemon-system bridge-utils virt-manager -y 2. Start and enable 'libvirtd' daemon: # systemctl start libvirtd # systemctl enable libvirtd # systemctl status libvirtd 3. Login to the KVM host using console or do SSH: ➤ ssh -l root kvmhost.example.com The default config file will look like below: # cat /etc/netplan/50-cloud-init.yaml network: ethernets: eno1: addresses: - 192.168.0.3/24 dhcp4: false gateway4: 192.168.0.1 nameservers: addresses: - 192.168.125.100 search: - example.com eno2: addresses: [] dhcp4: true optional: true eno3: addresses: [] dhcp4: true optional: true eno4: addres