============== Knowledge base ============== Usage ----- `Secure usage <secureusage.html>`__ Secure usage of the libvirt APIs `Backing chain management <backing_chains.html>`__ Explanation of how disk backing chain specification impacts libvirt's behaviour and basic troubleshooting steps of disk problems. `Virtiofs <virtiofs.html>`__ Share a filesystem between the guest and the host `Security with QEMU passthrough <qemu-passthrough-security.html>`__ Examination of the security protections used for QEMU and how they need configuring to allow use of QEMU passthrough with host files/devices. `TLS certificates <tlscerts.html>`__ Generate and deploy x509 certificates for TLS. `RPM deployment <rpm-deployment.html>`__ Explanation of the different RPM packages and illustration of which to pick for installation `Domain state capture <domainstatecapture.html>`__ Comparison between different methods of capturing domain state `Disk locking <locking.html>`__ Ensuring exclusive guest access to disks with `virtlockd <locking-lockd.html>`__ or `Sanlock <locking-sanlock.html>`__ `Protected virtualization on s390 <s390_protected_virt.html>`__ Running secure s390 guests with IBM Secure Execution `Launch security <launch_security_sev.html>`__ Securely launching VMs with AMD SEV `Live full disk backup <live_full_disk_backup.html>`__ A walkthrough of how to take effective live full disk backups. `Merging disk image chains <merging_disk_image_chains.html>`__ Ways to reduce or consolidate disk image chains. `KVM real time <kvm-realtime.html>`__ Run real time workloads in guests on a KVM hypervisor `PCI hotplug <../pci-hotplug.html>`__ Effective usage of PCI hotplug `PCI topology <../pci-addresses.html>`__ Addressing schemes for PCI devices `Memory devices <memorydevices.html>`__ Memory devices and their use `Snapshots <snapshots.html>`__ Details about snapshotting a VM `Secure Boot <secureboot.html>`__ Enable and disable the Secure Boot feature Debugging --------- `Debug logs <debuglogs.html>`__ Configuration of logging and tips on how to file a good bug report. `Systemtap <systemtap.html>`__ Explanation of how to use systemtap for libvirt tracing. `Capturing core dumps for QEMU <qemu-core-dump.html>`__ How to configure libvirt to enable capture of core dumps from QEMU virtual machines Internals --------- `Incremental backup internals <internals/incremental-backup.html>`__ Incremental backup implementation details relevant for users `VM migration internals <internals/migration.html>`__ VM migration implementation details, complementing the info in `migration <../migration.html>`__ `API call flow overview <internals/overview.html>`__ Overview of how an API call is handled by the ``libvirt`` library and passed over RPC to the daemon. `Spawning commands <internals/command.html>`__ Spawning commands from libvirt driver code `Event loop and worker pool <internals/eventloop.html>`__ Libvirt's event loop and worker pool mode `Lock managers <internals/locking.html>`__ Use lock managers to protect disk content `RPC protocol & APIs <internals/rpc.html>`__ RPC protocol information and API / dispatch guide `QEMU driver threading <internals/qemu-threads.html>`__ Basics of locking and threaded access to qemu driver primitives. `QEMU migration internals <internals/qemu-migration.html>`__ Description of migration phases in the ``v2`` and ``v3`` migration protocol. `QEMU monitor event handling <internals/qemu-event-handlers.html>`__ Brief outline how events emitted by qemu on the monitor are handlded.