h2. Prerequisites
-# "Install Ruby and Bundler":../../install/ruby.html
+# "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 Debian 10 this is:
+
+<pre>
+$ apt-get install build-essential libcurl4-openssl-dev
+</pre>
+
h2. Install from RubyGems
<notextile>
<pre>
-~$ <code class="userinput">sudo -i gem install arvados-cli</code>
+# <code class="userinput">gem install arvados-cli</code>
</pre>
</notextile>