title: Issue with activating virtualenv
body: <p>I installed python environment by means of commands:</p>
  
  <pre><code>SYS_INSTALL="apt-get install -y"
  PIP_INSTALL="pip install"
  
  # Be sure to install setuptools before pip to properly replace easy_install.
  $SYS_INSTALL git 
  $SYS_INSTALL python-dev
  $SYS_INSTALL python-setuptools
  $SYS_INSTALL python-pip
  $PIP_INSTALL virtualenv
  </code></pre>
  
  <p>also was able to create new virtual environment:</p>
  
  <pre><code>virtualenv .env
  </code></pre>
  
  <p>However, after running a command like:</p>
  
  <pre><code>. .env/bin/activate
  </code></pre>
  
  <p>I got </p>
  
  <blockquote>
    <p>-bash: .env/bin/activate: No such file or directory</p>
  </blockquote>
  
  <p>After reviewing folder <code>.env/bin</code> I found only one <code>python</code> file. Whole list of files here:</p>
  
  <pre><code>.env/lib:
  python2.7
  
  .env/include:
  python2.7
  
  .env/bin:
  python
  </code></pre>
  
  <p>What is the issue here?</p>
  
  <p><strong>SOLUTION</strong> add <code>--always-copy</code> </p>
  
  <blockquote>
    <p>virtualenv .env --always-copy</p>
  </blockquote>