title: Is there a startup file (like .bashrc) for i3 where i can set environmet variables?
body: <p>It would help me to setup my system-wide proxy. I'm using latest Ubuntu and tried <code>/etc/X11/xinit/xinitrc</code> <code>~/.xinitrc</code> and <code>~/.xsession</code>,</p>
  
  <pre><code>export HTTP_PROXY=http://....
  </code></pre>
  
  <p>But that did not work.</p>