title: Unable to Run Odoo Service at Ubuntu 16.04
body: <p>I am new to ubuntu but with the help of <a href="https://linode.com/docs/websites/cms/install-odoo-10-on-ubuntu-16-04/" rel="nofollow noreferrer">this tutorial</a> , i am trying to run Odoo 11 from its source code .While i tried to run this command</p>
  
  <pre><code>sudo systemctl start odoo.service
  </code></pre>
  
  <p>And after that while i tried to check status of my service using command </p>
  
  <pre><code>sudo systemctl status odoo.service
  </code></pre>
  
  <p>then its replies in the Console</p>
  
  <pre><code> odoo.service - Odoo Open Source ERP and CRM
     Loaded: loaded (/lib/systemd/system/odoo.service; disabled; vendor preset: enabled)
     Active: failed (Result: exit-code) since Thu 2018-03-29 15:28:38 PKT; 7s ago
    Process: 4072 ExecStart=/opt/odoo/odoo-bin --config=/etc/odoo-server.conf --addons-path=/opt/odoo/addons/ (code=exited, status=1/FAILURE)
   Main PID: 4072 (code=exited, status=1/FAILURE)
  
  Mar 29 15:28:38 hassan-Latitude-E6420 odoo-server[4072]:   File "/opt/odoo/odoo/modules/graph.py", line 10, in &lt;module&gt;
  Mar 29 15:28:38 hassan-Latitude-E6420 odoo-server[4072]:     import odoo.tools as tools
  Mar 29 15:28:38 hassan-Latitude-E6420 odoo-server[4072]:   File "/opt/odoo/odoo/tools/__init__.py", line 7, in &lt;module&gt;
  Mar 29 15:28:38 hassan-Latitude-E6420 odoo-server[4072]:     from . import pdf
  Mar 29 15:28:38 hassan-Latitude-E6420 odoo-server[4072]:   File "/opt/odoo/odoo/tools/pdf.py", line 4, in &lt;module&gt;
  Mar 29 15:28:38 hassan-Latitude-E6420 odoo-server[4072]:     from PyPDF2 import PdfFileWriter, PdfFileReader
  Mar 29 15:28:38 hassan-Latitude-E6420 odoo-server[4072]: ImportError: No module named 'PyPDF2'
  Mar 29 15:28:38 hassan-Latitude-E6420 systemd[1]: odoo.service: Main process exited, code=exited, status=1/FAILURE
  Mar 29 15:28:38 hassan-Latitude-E6420 systemd[1]: odoo.service: Unit entered failed state.
  Mar 29 15:28:38 hassan-Latitude-E6420 systemd[1]: odoo.service: Failed with result 'exit-code'.
  </code></pre>
  
  <p>But i had installed PyPDF2 Module already. </p>