# Juju

> Juju is an open source orchestration engine for deploying, integrating, and managing applications across Kubernetes, VMs, and bare metal using software operators called charms.


2026 CC-BY-SA, Canonical Ltd.

## Pages in this subsection

- [How to manage your deployment](https://documentation.ubuntu.com/juju/2.9/howto/manage-your-deployment.md): * Manage your deployment environment
- [Manage your deployment environment](https://documentation.ubuntu.com/juju/2.9/howto/manage-your-deployment/manage-your-deployment-environment.md): Whether you are a charm user looking to try out some charms or a charm author looking to develop a c...
- [How to harden your deployment](https://documentation.ubuntu.com/juju/2.9/howto/manage-your-deployment/harden-your-deployment.md): > See also: Juju security
- [How to upgrade your deployment](https://documentation.ubuntu.com/juju/2.9/howto/manage-your-deployment/upgrade-your-deployment.md): > See also: juju-roadmap-and-releases
- [How to troubleshoot your deployment](https://documentation.ubuntu.com/juju/2.9/howto/manage-your-deployment/troubleshoot-your-deployment.md): From the point of view of the user, there are four basic failure scenarios:
- [How to take your deployment offline](https://documentation.ubuntu.com/juju/2.9/howto/manage-your-deployment/take-your-deployment-offline.md): IMO the doc has roughly the correct skeleton, though we may want to revisit the list of external ser...

## Optional

- [Top-level llms.txt](https://documentation.ubuntu.com/juju/2.9/llms.txt): Complete documentation index.