If you're not using RVM:
<notextile>
-<pre><code>~$ <span class="userinput">sudo gem install arvados-cli</span>
+<pre><code>~$ <span class="userinput">sudo -i gem install arvados-cli</span>
</code></pre>
</notextile>
On Debian-based systems:
<notextile>
-<pre><code>~$ <span class="userinput">sudo apt-get install python-arvados-python-client python-arvados-fuse</span>
+<pre><code>~$ <span class="userinput">sudo apt-get install python-arvados-python-client python-arvados-fuse crunchrunner</span>
</code></pre>
</notextile>
On Red Hat-based systems:
<notextile>
-<pre><code>~$ <span class="userinput">sudo yum install python27-python-arvados-python-client python27-python-arvados-fuse</span>
+<pre><code>~$ <span class="userinput">sudo yum install python27-python-arvados-python-client python27-python-arvados-fuse crunchrunner</span>
</code></pre>
</notextile>