Webodm: http://localhost:8000 don't work after installation

[gpsman]

--- REMOVE THIS LINE AFTER READING IT: Please open an issue only to report faults and bugs. For questions, comments and feature requests instead visit http://community.opendronemap.org/c/webodm. Every issue needs to follow the format specified below. Do not remove the questions, simply answer each question by typing below it. If you don't know how to answer a question, write so. Questions that don't follow these guidelines will be automatically closed.

How did you install WebODM? (Docker, natively, ...)?

natively

What's your browser and operating system? (Copy/paste the output of https://www.whatismybrowser.com/)

Firefox 58 on Ubuntu Linux (whatismybrowser.com/w/G7A46QX)

What is the problem?

Firefox ne peut établir de connexion avec le serveur à l’adresse localhost:8000.
http://localhost:8000 don't work after installation (no connection)

What should be the expected behavior?

working

How can we reproduce this? (What steps did you do to trigger the problem? What parameters are you using for processing? If possible please include a copy of your dataset uploaded on Google Drive or Dropbox. Be detailed)

It's a new installation (Ubuntu / VirtualBox) with last version
Install WebODM.txt

Thanks

[gpsman]

Additional information in attached file
OperationalError at _.txt

[pierotofy]

Hi @gpsman try restarting your computer and issuing:

./webodm.sh down && ./webodm.sh start

[gpsman]

Thanks, I vave tried but it's still the same.
It seems there is a docker error. I have tried pip uninstall docker-py; pip uninstall docker; pip install docker but without any result
Error Docker connexion.txt

[bipulneupane]

./webodm.sh down && ./webodm.sh start
worked for me
thanks to @pierotofy