huschi.net

SYSTEMD-DETECT-VIRT(1)        systemd-detect-virt       SYSTEMD-DETECT-VIRT(1)

NAME
       systemd-detect-virt - Detect execution in a virtualized environment
SYNOPSIS
       systemd-detect-virt [OPTIONS...]
DESCRIPTION
       systemd-detect-virt detects execution in a virtualized environment. It
       identifies the virtualization technology and can distinguish full VM
       virtualization from container virtualization.  systemd-detect-virt
       exits with a return value of 0 (success) if a virtualization technology
       is detected, and non-zero (error) otherwise. By default any type of
       virtualization is detected, and the options --container and --vm can be
       used to limit what types of virtualization are detected.
       When executed without --quiet will print a short identifier for the
       detected virtualization technology. The following technologies are
       currently identified:
       Table 1. Known virtualization technologies (both VM, i.e. full hardware
       virtualization, and container, i.e. shared kernel virtualization)
       +----------+----------------+---------------------+
       |Type      | ID             | Product             |
       +----------+----------------+---------------------+
       |          | qemu           | QEMU software       |
       |          |                | virtualization      |
       |          +----------------+---------------------+
       |          | kvm            | Linux KVM kernel    |
       |          |                | virtual machine     |
       |          +----------------+---------------------+
       |          | zvm            | s390 z/VM           |
       |          +----------------+---------------------+
       |          | vmware         | VMware Workstation  |
       |          |                | or Server, and      |
       |          |                | related products    |
       |          +----------------+---------------------+
       |          | microsoft      | Hyper-V, also known |
       |          |                | as Viridian or      |
       |          |                | Windows Server      |
       |VM        |                | Virtualization      |
       |          +----------------+---------------------+
       |          | oracle         | Oracle VM           |
       |          |                | VirtualBox          |
       |          |                | (historically       |
       |          |                | marketed by innotek |
       |          |                | and Sun             |
       |          |                | Microsystems)       |
       |          +----------------+---------------------+
       |          | xen            | Xen hypervisor      |
       |          |                | (only domU, not     |
       |          |                | dom0)               |
       |          +----------------+---------------------+
       |          | bochs          | Bochs Emulator      |
       |          +----------------+---------------------+
       |          | uml            | User-mode Linux     |
       +----------+----------------+---------------------+
       |          | openvz         | OpenVZ/Virtuozzo    |
       |          +----------------+---------------------+
       |          | lxc            | Linux container     |
       |          |                | implementation by   |
       |          |                | LXC                 |
       |          +----------------+---------------------+
       |          | lxc-libvirt    | Linux container     |
       |          |                | implementation by   |
       |container |                | libvirt             |
       |          +----------------+---------------------+
       |          | systemd-nspawn | systemd's minimal   |
       |          |                | container           |
       |          |                | implementation, see |
       |          |                | systemd-nspawn(1)   |
       |          +----------------+---------------------+
       |          | docker         | Docker container    |
       |          |                | manager             |
       +----------+----------------+---------------------+
       If multiple virtualization solutions are used, only the "innermost" is
       detected and identified. That means if both VM virtualization and
       container virtualization are used in conjunction, only the latter will
       be identified (unless --vm is passed).
OPTIONS
       The following options are understood:
       -c, --container
           Only detects container virtualization (i.e. shared kernel
           virtualization).
       -v, --vm
           Only detects VM virtualization (i.e. full hardware virtualization).
       -q, --quiet
           Suppress output of the virtualization technology identifier.
       -h, --help
           Print a short help text and exit.
       --version
           Print a short version string and exit.
EXIT STATUS
       If a virtualization technology is detected, 0 is returned, a non-zero
       code otherwise.
SEE ALSO
       systemd(1), systemd-nspawn(1)

systemd 219                                             SYSTEMD-DETECT-VIRT(1)