---
layout: default
navsection: sdk
navmenu: Command line tools (CLI SDK)
title: "Installation"
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Copyright (C) The Arvados Authors. All rights reserved.
SPDX-License-Identifier: CC-BY-SA-3.0
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Arvados CLI tools are written in Ruby and Python. To use the @arv@ command, you can either install the @arvados-cli@ gem via RubyGems or build and install the package from source. The @arv@ command also relies on other Arvados tools. To get those, install the @arvados-python-client@ and @arvados-cwl-runner@ packages, either from PyPI or source.
h2. Prerequisites
# "Install Ruby":../../install/ruby.html
# "Install the Python SDK":../python/sdk-python.html
The SDK uses @curl@ which depends on the @libcurl@ C library. To build the module you may have to install additional packages. On supported versions of Debian and Ubuntu, run: