Traceback (most recent call last): File "/srv/onionoo.torproject.org/onionoo/monitoring/services/onionoo", line 154, in <module> write_to_textfile(metrics_output_path, registry) ~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "/usr/lib/python3/dist-packages/prometheus_client/exposition.py", line 370, in write_to_textfile with open(tmppath, 'wb') as f: ~~~~^^^^^^^^^^^^^^^ OSError: [Errno 28] No space left on device