# Reference The reference material in this section provides technical descriptions of LXD. ## General information These guides include compatibility information for operating systems running in instances, and man pages for the `lxc` CLI. * [Requirements](https://canonical.com/lxd/docs/latest/requirements/index.html.md) * [Architectures](https://canonical.com/lxd/docs/latest/architectures/index.html.md) * [Guest OS compatibility](https://canonical.com/lxd/docs/latest/guest-os-compatibility/index.html.md) * [Container environment](https://canonical.com/lxd/docs/latest/container-environment/index.html.md) * [Man pages](https://canonical.com/lxd/docs/latest/reference/manpages/index.html.md) ## Releases Release notes, deprecation notices, and details about the LXD release cadence and its snap. * [Release notes](https://canonical.com/lxd/docs/latest/reference/release-notes/index.html.md) * [Deprecation notices](https://canonical.com/lxd/docs/latest/reference/deprecation_notices/index.html.md) * [Releases and snap](https://canonical.com/lxd/docs/latest/reference/releases-snap/index.html.md) ## Images Reference information for remote image servers and the LXD image format. * [Built-in image registries](https://canonical.com/lxd/docs/latest/reference/remote_image_servers/index.html.md) * [Image format](https://canonical.com/lxd/docs/latest/reference/image_format/index.html.md) ## Configuration options LXD is highly configurable, with options available for major entities as well as permissions for access control. * [Configuration option index](https://canonical.com/lxd/docs/latest/config-options/index.html.md) * [Server configuration](https://canonical.com/lxd/docs/latest/server/index.html.md) * [Instance configuration](https://canonical.com/lxd/docs/latest/explanation/instance_config/index.html.md) * [Preseed YAML file fields](https://canonical.com/lxd/docs/latest/reference/preseed_yaml_fields/index.html.md) * [Project configuration](https://canonical.com/lxd/docs/latest/reference/projects/index.html.md) * [Storage drivers](https://canonical.com/lxd/docs/latest/reference/storage_drivers/index.html.md) * [Networks](https://canonical.com/lxd/docs/latest/reference/networks/index.html.md) * [Image registries](https://canonical.com/lxd/docs/latest/reference/image_registries/index.html.md) * [Placement group configuration](https://canonical.com/lxd/docs/latest/reference/placement_groups/index.html.md) * [Clusters](https://canonical.com/lxd/docs/latest/reference/clusters/index.html.md) * [Replicator configuration](https://canonical.com/lxd/docs/latest/reference/replicator_config/index.html.md) * [Permissions](https://canonical.com/lxd/docs/latest/reference/permissions/index.html.md) ## Production setup The LXD server can be optimized for production workloads and can monitor server metrics. * [Production server settings](https://canonical.com/lxd/docs/latest/reference/server_settings/index.html.md) * [Provided metrics](https://canonical.com/lxd/docs/latest/reference/provided_metrics/index.html.md) ## API and integrations LXD exposes a REST API for managing all resources. The LXD CSI driver integrates LXD storage backends with Kubernetes. * [REST API](https://canonical.com/lxd/docs/latest/restapi_landing/index.html.md) * [LXD CSI driver reference](https://canonical.com/lxd/docs/latest/reference/driver_csi/index.html.md) ## Internal implementation details These guides are primarily of interest to advanced users, contributors, and developers. * [Internals](https://canonical.com/lxd/docs/latest/internals/index.html.md)