Hi, I had the same problem.
My apache2 and nginx (as a reverse proxy) tried to run simultaneously on port 80. The command 'cat /var/run/nginx.pid' returns no pid. I now use different ip numbers for listen and it works. :-) In the unconfigured defaults nginx listens to 0.0.0.0:80. Hint: Configure it if necessary… Regards, Uwe
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