It’s become necessary after they changed macaddresspolicy in Ubuntu 22.04 to persistent. Or the SSH connection to the server will hang right after applying netplan. Please notice: you need to set the macaddress for br0 to the MAC address of enp0s3 you’ve found in section 3.2. You can also use 0.0.0.0/0 instead of the word “ default“. 3.3 Add the bridge to netplanĬhange the file /etc/netplan/00-installer-config.yaml content to: network: Which will output the MAC address in the “serial:” entry.Īlso, see the Ubuntu Network Configuration. Or you could run the command: lshw -C network The MAC address will be in the section link/ether of the enp0s3 network interface description. To find the MAC address of the NIC (Network Interface Controller) enp0s3, run in the terminal: ip a show You will need it in section 3.3 in the netplan configuration. ( source) 3.2 Find the MAC address of the network interface enp0s3 Configure Network Interfaces 3.1 Disable the netfilter for bridgesġ) create /etc/sysctl.d/nf with the content: -nf-call-ip6tables=0Ģ) Create the file /etc/udev/rules.d/les: ACTION='add', SUBSYSTEM='module', KERNEL='br_netfilter', RUN+='/sbin/sysctl -p /etc/sysctl.d/nf' If you are not sure, what each particular package means, use the package search for Ubuntu. Install the necessary packages: sudo apt install -y qemu-kvm virt-manager libvirt-daemon-system virtinst libvirt-clients bridge-utils And run: VBoxManage modifyvm -nested-hw-virt onįor example, if the name of your virtual machine is vm_22 70, run: VBoxManage modifyvm 'vm_22 70' -nested-hw-virt onĬheck that your CPU supports virtualization: sudo apt install -y cpu-checker Go to your default machine folder in the terminal.

Qemu kvm tutorial