daphne0.sock and daphne0.sock.lock non exist. because?

[Michele Salerno]

Hi,

i have in the directory /opt/openwisp2 2 file non existent.

srw-rw-rw-  1 www-data www-data    0 Apr 16 09:24 daphne0.sock
lrwxrwxrwx  1 www-data www-data    4 Apr 16 09:24 daphne0.sock.lock -> 2744

and wuith the command  /etc/init.d/nginx status i see:

nginx.service: Failed to parse PID from file /run/nginx.pid: Invalid
argument

and in the file more /etc/nginx/sites-enabled/controller.nnxx.ninux.org

upstream channels-backend {
    server unix:///opt/openwisp2/daphne0.sock fail_timeout=0;
}

the file non exist.

thanks.

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