title: sudo: unknown user: root via PythonAnywhere
body: <p>I'm using PythonAnywhere with Postgresql, and have run into several problems. When I try to do anything, such as <code>python manage.py makemigrations</code>, I get the following error :</p>
  
  <blockquote>
    <p>sudo: unknown user: root</p>
    
    <p>sudo: unable to initialize policy plugin</p>
  </blockquote>
  
  <p>Also, I tried to use <code>postgres -V</code>, but I get <code>command not found</code>, and yet I can't use <code>sudo</code> to install it. </p>
  
  <p>Finally, I'm also not sure what my UNIX password is, but all my permissions are denied to me. </p>
  
  <p>Strangely, I've noticed the creation of a <code>dead.letter</code> file, which contains:</p>
  
  <blockquote>
    <p>giles-liveconsole1 : Feb 17 09:25:05 : X : user NOT in sudoers ; TTY=unknown ; PWD=/home/X/X/X ; USER=X ; COMMAND=/bin/bash</p>
    
    <p>giles-liveconsole2 : Feb 17 11:43:08 : X : user NOT in sudoers ; TTY=unknown ; PWD=/etc ; USER=#0 ; COMMAND=/usr/bin/vi /etc/passwd</p>
    
    <p>giles-liveconsole2 : Feb 17 11:45:51 : X : user NOT in sudoers ; TTY=unknown ; PWD=/etc ; USER=#0 ; COMMAND=/usr/bin/vi /etc/passwd</p>
  </blockquote>