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OpenShell/docs/get-started/quickstart.mdx
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---
# SPDX-FileCopyrightText: Copyright (c) 2025-2026 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
# SPDX-License-Identifier: Apache-2.0
title: "Quickstart"
description: "Install the OpenShell CLI, connect to a gateway, and create your first policy-enforced sandbox."
keywords: "Generative AI, Cybersecurity, AI Agents, Sandboxing, Installation, Quickstart, Gateway, Docker, Kubernetes, Podman"
position: 1
---
This page gets you from a reachable OpenShell gateway to a running, policy-enforced sandbox.
## Prerequisites
Before you begin, make sure you have:
- A reachable OpenShell gateway.
- At least one compute driver configured for the gateway: Kubernetes, Docker, Podman, or MicroVM.
- The OpenShell CLI installed on your workstation.
For a complete list of requirements, refer to [Support Matrix](/reference/support-matrix).
If you have not chosen a compute driver yet, refer to [Installation](/about/installation).
## Install the OpenShell CLI
Run the install script:
```shell
curl -LsSf https://raw.githubusercontent.com/NVIDIA/OpenShell/main/install.sh | sh
```
The install script uses Homebrew, RPM, or a Debian package based on your machine. It starts the local gateway server after installation.
After installing the CLI, run `openshell --help` in your terminal to view the full CLI reference.
<Tip>
Install the public OpenShell agent skills with `npx skills add NVIDIA/OpenShell`. The `openshell-cli` skill guides your agent through common workflows and uses the installed CLI help as the command reference; no OpenShell source checkout is required.
</Tip>
## Create Your First Sandbox
Create a sandbox with the gateway's default workload image:
```shell
openshell sandbox create --name quickstart
```
The default is `nvcr.io/nvidia/base/ubuntu:24.04`. It provides a minimal Ubuntu Noble environment; install workload-specific tools in your own image.
Connect to the sandbox:
```shell
openshell sandbox connect quickstart
```
Run a command without opening an interactive session:
```shell
openshell sandbox exec -n quickstart -- cat /etc/os-release
```
## Run an Agent Image
Build an OCI image containing your agent and its dependencies, then pass its full image reference:
```shell
docker build -t my-agent:latest ./my-agent
openshell sandbox create --from my-agent:latest -- my-agent
```
For a Podman gateway, build and use a Podman-visible name such as `localhost/my-agent:latest`. For a remote gateway, push the image to a registry that the gateway can pull from.
Attach a provider and a policy that authorize the agent's credentials, endpoints, and executable paths. Refer to [Bring Your Own Container](https://github.com/NVIDIA/OpenShell/tree/main/examples/bring-your-own-container), [Providers](/providers), and [Customize Sandbox Policies](/sandboxes/policies).