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Libvirt provides a portable, long term stable C API for managing the virtualization technologies provided by many operating systems. It includes support for QEMU, KVM, Xen, LXC, bhyve, Virtuozzo, VMware vCenter and ESX, VMware Desktop, Hyper-V, VirtualBox and the POWER Hypervisor.

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Cole Robinson 1b9ce05ce2 lxc: controller: Fix container launch on cgroup v1 With cgroup v1 I'm seeing LXC container startup failures: $ sudo virt-install --connect lxc:/// --name test-container --memory 128 --boot init=/bin/sh Starting install... ERROR error from service: GDBus.Error:org.freedesktop.machine1.NoMachineForPID: PID 2145047 does not belong to any known machine libvirt 7.0.0 works but 7.1.0+ does not. The root error seems to predate that, showing up in syslog, but commit `9c1693eff` made it fatal: commit `9c1693eff4` Author: Pavel Hrdina <phrdina@redhat.com> Date: Fri Feb 5 16:17:35 2021 +0100 vircgroup: use DBus call to systemd for some APIs The error comes from virSystemdGetMachineByPID. The PID that shows up in the above error message does not match the leader PID as reported by machinectl. This change fixes the error. Things seem to continue to work with cgroupsv2 after this change. https://gitlab.com/libvirt/libvirt/-/issues/182 Tested-by: Jim Fehlig <jfehlig@suse.com> Reviewed-by: Michal Privoznik <mprivozn@redhat.com> Signed-off-by: Cole Robinson <crobinso@redhat.com>		2021-10-08 13:20:46 -04:00
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README.rst

Libvirt API for virtualization

For some of these hypervisors, it provides a stateful management daemon which runs on the virtualization host allowing access to the API both by non-privileged local users and remote users.

Layered packages provide bindings of the libvirt C API into other languages including Python, Perl, PHP, Go, Java, OCaml, as well as mappings into object systems such as GObject, CIM and SNMP.

Further information about the libvirt project can be found on the website:

https://libvirt.org

License

The libvirt C API is distributed under the terms of GNU Lesser General Public License, version 2.1 (or later). Some parts of the code that are not part of the C library may have the more restrictive GNU General Public License, version 2.0 (or later). See the files COPYING.LESSER and COPYING for full license terms & conditions.

Installation

Instructions on building and installing libvirt can be found on the website:

https://libvirt.org/compiling.html

Contributing

The libvirt project welcomes contributions in many ways. For most components the best way to contribute is to send patches to the primary development mailing list. Further guidance on this can be found on the website:

https://libvirt.org/contribute.html

Contact

The libvirt project has two primary mailing lists:

libvirt-users@redhat.com (for user discussions)
libvir-list@redhat.com (for development only)

Further details on contacting the project are available on the website:

https://libvirt.org/contact.html