To manage the system set of VMs (i.e., VMs belonging to root) virsh should be run as root or with qemu:///system URI: This URI allows virsh to manage only the set of VMs belonging to this particular user. You should then be able to list your domains, that is virtual machines managed by libvirt:īy default, if virsh is run as a normal user it will connect to libvirt using qemu:///session URI string. In order to manage virtual machines as a regular user, that user needs to be added to the libvirt group: If you intend to create Virtual Machines (VMs) from the command-line, install virtinst. The libvirtd daemon (in libvirt-daemon on most architectures, and in libvirt-bin on others) will start automatically at boot time and load the appropriate KVM modules, kvm-amd or kvm-intel, which are shipped with the Linux kernel Debian package. $ sudo apt install -no-install-recommends qemu-system libvirt-clients libvirt-daemon-system When installing on a server, you can add the -no-install-recommends apt option, to prevent the installation of extraneous graphical packages: $ sudo apt install qemu-system libvirt-daemon-system It is possible to install only QEMU and KVM for a very minimal setup, but most users will also want libvirt for convenient configuration and management of the virtual machines ( libvirt-daemon-system - libvirt, virt-manager - a GUI for libvirt). ( VirtualBox is not in Debian Bullseye (or Buster) and won't be in Debian Buster-Backports, 794466). In Debian, ?Xen is an alternative to KVM. It consists of a loadable kernel module, kvm.ko, which provides the core virtualization infrastructure and a processor specific module, kvm-intel.ko or kvm-amd.ko. The Kernel Virtual Machine, or KVM, is a full virtualization solution for Linux on x86 (64-bit included) and ARM hardware containing virtualization extensions (Intel VT or AMD-V). Automatic guest management on host shutdown/startup.
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