# LXD > This is the documentation for LXD, a system container and virtual machine manager. 2014-2026 AGPL-3.0, LXD contributors ## Pages in this subsection - [Cluster member configuration](https://canonical.com/lxd/docs/default/reference/cluster_member_config/index.html.md): Each cluster member has its own key/value configuration with the following supported namespaces: ## Optional - [Top-level llms.txt](https://canonical.com/lxd/docs/default/llms.txt): Complete documentation index.