Mongodb profiling quick commands

 db.system.profile.drop()

db.system.profile.find({"millis":{"$gt":30000}})

db.setProfilingLevel(0)

db.setProfilingLevel(1,{slowms:3000});

Setup pyaudio on ubuntu

 pip install pyaudio

Note: Install portaudio system 

Ubuntu: sudo apt install portaudio19-dev libportaudio2 libportaudiocpp0 libasound-dev