# 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 - [How to troubleshoot (some) Dqlite errors](index.html.md): Dqlite is the distributed database that LXD uses to store information ## Optional - [Top-level llms.txt](../../llms.txt): Complete documentation index.