Question

How to check error logs for flask/uwsgi/nginx app?

Posted April 18, 2015 65.5k views
Ubuntu Python Frameworks Logging

Hi,
I am trying to follow this tutorial https://www.digitalocean.com/community/tutorials/how-to-serve-flask-applications-with-uwsgi-and-nginx-on-ubuntu-14-04

I can run python myapp.py, it starts correctly on port 5000. When trying to access it to check everything works by going to serverip:5000, I got an internal server error. Where are the errors logged? How can I debug it? I don’t want to proceed to the next step until it is fixed.

Thanks!
Jeremy

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2 answers

Before running the uwsgi ini file you will need to add a line to it to create logs.

Something like:

#location of log files
logto = /var/log/uwsgi/%n.log

uwsgi docs

Then you will have to create the directory in your VPS (not that you can create the directory in whatever path you want, as long as it’s the path that you have in the ini file):

sudo mkdir -p /var/log/uwsgi
sudo chown -R user:user /var/log/uwsgi

If you want to see the logs you can cat command them in the terminal.

Nginx error logs default location is:

/var/log/nginx/error.log

As for debugging (correctly) that is a skill beyond my current abilities!

Thank you for your help! Saved the day!

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