title: Install numpy for Python3 command not found error
body: <p>Under <code>/numpy</code> folder</p>
  
  <pre><code>$ sudo python3 setup.py install
  sudo：python3：command not found
  </code></pre>
  
  <p>Or try</p>
  
  <pre><code>$ sudo python3 distribute_setup.py
  sudo：python3：command not found
  
  
  $ python3
  Python 3.2.2 (default, Sep 12 2013, 01:58:11) 
  [GCC 4.6.3 20120306 (Red Hat 4.6.3-2)] on linux2
  Type "help", "copyright", "credits" or "license" for more information.
  &gt;&gt;&gt; 
  </code></pre>
  
  <p><code>which python3</code> says</p>
  
  <pre><code>$ which python3
  /usr/local/bin/python3
  </code></pre>
  
  <p>Update:</p>
  
  <pre><code>$ sudo which python3
  which: no python3 in (/sbin:/bin:/usr/sbin:/usr/bin)
  $ sudo echo $PATH
  /usr/local/bin:/bin:/usr/bin:/usr/local/sbin:/usr/sbin:/sbin:/opt/aws/bin:/home/xxxx/bin
  </code></pre>
  
  <p>Update2:</p>
  
  <pre><code>$ sudo sh -c 'echo $PATH'
  /sbin:/bin:/usr/sbin:/usr/bin
  </code></pre>
  
  <p>I have rhel/redhat and successfully installed python3.2.2 by downloading the package. Those threads about apt-get don't work for this version. Does anyone has an idea?</p>