nginx: [emerg] BIO_new_file("/tmp/recorderApp/speech/cert.pem") failed (SSL: error:02001002:system library:fopen:No such file or directory:fopen('/tmp/recorderApp/speech/cert.pem','r') error
https://stackoverflow.com/questions/50599808/nginx-installation-error
sudo apt-get --purge remove nginx-* sudo apt-get install nginx