[systemd-devel] [systemd-nspawn] nginx: [emerg] open() "/dev/stderr" failed (6: No such device or address)

[Peter Paule]

> I'm guessing from the error message that it's not a shell script but nginx
> itself configured to use "/dev/stderr" as its log file, so there's no >&
> that could be used...

Correct - see http://nginx.org/en/docs/ngx_core_module.html

  Syntax: 	error_log file | stderr |
            syslog:server=address[,parameter=value] | memory:size [debug | info |
            notice | warn | error | crit | alert | emerg];
  Default: 	error_log logs/error.log error;
  Context: 	main, http, stream, server, location