# 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 guides](https://documentation.ubuntu.com/juju/2.9/howto.md): * Manage your deployment - [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... - [How to manage the `juju` CLI client](https://documentation.ubuntu.com/juju/2.9/howto/manage-juju.md): > See also: juju CLI - [How to manage plugins](https://documentation.ubuntu.com/juju/2.9/howto/manage-plugins.md): > See also: Plugin - [How to manage the Juju dashboard](https://documentation.ubuntu.com/juju/2.9/howto/manage-the-juju-dashboard.md): The Juju dashboard is set up automatically upon controller bootstrap. - [How to manage clouds](https://documentation.ubuntu.com/juju/2.9/howto/manage-clouds.md): > See also: Cloud (substrate), List of supported clouds - [How to manage credentials](https://documentation.ubuntu.com/juju/2.9/howto/manage-credentials.md): > See also: Credential - [How to manage metadata](https://documentation.ubuntu.com/juju/2.9/howto/manage-metadata.md): Using this to replace https://juju.is/docs/juju/cloud-image-metadata (https://discourse.charmhub.io/... - [How to manage controllers](https://documentation.ubuntu.com/juju/2.9/howto/manage-controllers.md): > See also: Controller - [How to manage users](https://documentation.ubuntu.com/juju/2.9/howto/manage-users.md): > See also: User - [How to manage SSH keys](https://documentation.ubuntu.com/juju/2.9/howto/manage-ssh-keys.md): > See also: SSH key - [How to manage models](https://documentation.ubuntu.com/juju/2.9/howto/manage-models.md): > See also: Model - [How to manage logs](https://documentation.ubuntu.com/juju/2.9/howto/manage-logs.md): > See also: Log - [How to manage charms or bundles](https://documentation.ubuntu.com/juju/2.9/howto/manage-charms.md): > See also: Charm - [How to manage applications](https://documentation.ubuntu.com/juju/2.9/howto/manage-applications.md): > See also: Application - [How to manage charm resources](https://documentation.ubuntu.com/juju/2.9/howto/manage-charm-resources.md): > See also: Resource (charm) - [How to manage actions](https://documentation.ubuntu.com/juju/2.9/howto/manage-actions.md): SOURCE: https://discourse.charmhub.io/t/juju-actions-opt-in-to-new-behaviour-from-juju-2-8/2255 - [How to manage relations](https://documentation.ubuntu.com/juju/2.9/howto/manage-relations.md): > See also: Relation (integration) - [How to manage offers](https://documentation.ubuntu.com/juju/2.9/howto/manage-offers.md): > See also: Offer - [How to manage units](https://documentation.ubuntu.com/juju/2.9/howto/manage-units.md): > See also: Unit - [How to manage machines](https://documentation.ubuntu.com/juju/2.9/howto/manage-machines.md): An interactive pseudo-terminal (pty) is enabled by default. For the OpenSSH client, this corresponds... - [How to manage storage](https://documentation.ubuntu.com/juju/2.9/howto/manage-storage.md): > See also: Storage - [How to manage storage pools](https://documentation.ubuntu.com/juju/2.9/howto/manage-storage-pools.md): > See also: Storage pool - [How to manage spaces](https://documentation.ubuntu.com/juju/2.9/howto/manage-spaces.md): > See also: Space - [How to manage subnets](https://documentation.ubuntu.com/juju/2.9/howto/manage-subnets.md): > See also: Subnet - [How to define resource tags in a cloud](https://documentation.ubuntu.com/juju/2.9/howto/define-resource-tags-in-a-cloud.md): Juju now tags instances and volumes created in supported clouds with the Juju model UUID, and relate... - [Fan container networking](https://documentation.ubuntu.com/juju/2.9/howto/fan-container-networking.md): Fan networking addresses a need raised by the proliferation of container usage in an IPv4 context: t... ## Optional - [Top-level llms.txt](https://documentation.ubuntu.com/juju/2.9/llms.txt): Complete documentation index.