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Uwsgi socket file not created

I am having problems setting up a server using uwsgi and nginx. This is my uwsgi ini file (and a symlink in vassals):

# ebook_uwsgi.ini file [uwsgi] #emperor = /etc/uwsgi/vassals #plugins = python #if uwsgi installed with pip, dont have to use this line # Django-related settings # the base directory (full path) chdir = /var/www/django/ebook/ebook/wsgi/ebook/ # Django wsgi file module = controller.wsgi:application # the virtualenv (full path) home = /var/www/django/ebook # process-related settings # master master = true # maximum number of worker processes processes = 10 # the socket (use the full path to be safe socket = /var/uwsgi/ebook.sock # ... with appropriate permissions - may be needed chmod-socket = 664 uid = www-data gid = www-data # clear environment on exit vacuum = true no-site = True wsgi-file = /var/www/django/ebook/ebook/wsgi/ebook/controller/wsgi.py #env = DJANGO_SETTINGS_MODULE=controller.settings # set an environment variable

and this is my nginx config:

 # mysite_nginx.conf # the upstream component nginx needs to connect to upstream django { server unix:///var/uwsgi/ebook.sock; # for a file socket #server 127.0.0.1:8000; # for a web port socket (we'll use this first) } # configuration of the server server { # the port your site will be served on listen 8000; # the domain name it will serve for server_name IP; #www.domain.com; # substitute your machine IP address or FQDN charset utf-8; # max upload size client_max_body_size 75M; # adjust to taste # Django media location /media { alias /var/www/django/ebook/ebook/data; # your Django project media files - amend as required } location /static { alias /var/www/django/ebook/ebook/wsgi/static/; # your Django project static files - amend as required } # Finally, send all non-media requests to the Django server. location / { include /var/www/django/ebook/ebook/uwsgi_params; # the uwsgi_params file you installed } }

When I run uwsgi as my user (lucas03)

 uwsgi --emperor /etc/uwsgi/vassals --uid www-data --gid www-data

this is output:

 *** Starting uWSGI 2.0.10 (64bit) on [Tue May 12 20:43:19 2015] *** compiled with version: 4.7.2 on 14 April 2015 16:47:40 os: Linux-2.6.32-042stab104.1 #1 SMP Thu Jan 29 12:58:41 MSK 2015 nodename: zoltan machine: x86_64 clock source: unix pcre jit disabled detected number of CPU cores: 8 current working directory: /var detected binary path: /usr/local/bin/uwsgi *** WARNING: you are running uWSGI without its master process manager *** your processes number limit is 2062113 your memory page size is 4096 bytes detected max file descriptor number: 1024 *** starting uWSGI Emperor *** *** has_emperor mode detected (fd: 6) *** [uWSGI] getting INI configuration from ebook_uwsgi.ini *** Starting uWSGI 2.0.10 (64bit) on [Tue May 12 20:43:19 2015] *** compiled with version: 4.7.2 on 14 April 2015 16:47:40 os: Linux-2.6.32-042stab104.1 #1 SMP Thu Jan 29 12:58:41 MSK 2015 nodename: zoltan machine: x86_64 clock source: unix pcre jit disabled detected number of CPU cores: 8 current working directory: /etc/uwsgi/vassals detected binary path: /usr/local/bin/uwsgi chdir() to /var/www/django/ebook/ebook/wsgi/ebook/ your processes number limit is 2062113 your memory page size is 4096 bytes detected max file descriptor number: 1024 lock engine: pthread robust mutexes thunder lock: disabled (you can enable it with --thunder-lock) uwsgi socket 0 bound to UNIX address /var/uwsgi/ebook.sock fd 3 Python version: 2.7.3 (default, Mar 13 2014, 11:26:58) [GCC 4.7.2] Set PythonHome to /var/www/django/ebook *** Python threads support is disabled. You can enable it with --enable-threads *** Python main interpreter initialized at 0xea41a0 your server socket listen backlog is limited to 100 connections your mercy for graceful operations on workers is 60 seconds mapped 800448 bytes (781 KB) for 10 cores *** Operational MODE: preforking *** virtualenv is active WSGI app 0 (mountpoint='') ready in 0 seconds on interpreter 0xea41a0 pid: 6291 (default app) mountpoint already configured. skip. *** uWSGI is running in multiple interpreter mode *** spawned uWSGI master process (pid: 6291) Tue May 12 20:43:19 2015 - [emperor] vassal ebook_uwsgi.ini has been spawned spawned uWSGI worker 1 (pid: 6292, cores: 1) spawned uWSGI worker 2 (pid: 6293, cores: 1) Tue May 12 20:43:19 2015 - [emperor] vassal ebook_uwsgi.ini is ready to accept requests spawned uWSGI worker 3 (pid: 6294, cores: 1) spawned uWSGI worker 4 (pid: 6295, cores: 1) spawned uWSGI worker 5 (pid: 6296, cores: 1) spawned uWSGI worker 6 (pid: 6297, cores: 1) spawned uWSGI worker 7 (pid: 6298, cores: 1) spawned uWSGI worker 8 (pid: 6299, cores: 1) spawned uWSGI worker 9 (pid: 6300, cores: 1) spawned uWSGI worker 10 (pid: 6301, cores: 1)

Ebook.sock is created:

 drwxrwxr-x 2 www-data www-data 3 máj 12 20:43 . drwxr-xr-x 13 root root 15 apr 14 16:29 .. srw-rw-r-- 1 lucas03 lucas03 0 máj 12 20:43 ebook.sock

but i get 502 Bad Gateway . Therefore, I change the owner of ebook.sock to www-data sudo chown www-data:www-data ebook.sock , my site is loaded correctly. Well, I thought it was great. Now I just need to run uwsgi so that it can create ebook.sock as user www data.
So I installed uwsgi to start at startup , I edited /etc/rc.local .

 #!/bin/sh -e # # rc.local # # This script is executed at the end of each multiuser runlevel. # Make sure that the script will "exit 0" on success or any other # value on error. # # In order to enable or disable this script just change the execution # bits. # # By default this script does nothing. /usr/local/bin/uwsgi --emperor /etc/uwsgi/vassals --uid www-data --gid www-data exit 0

However, after restarting the server, the ebook.sock file is not created at all, although uwsgi starts up. (I see this in ps aux | grep uwsgi ). So I thought it worked the same or similar, as if I were running this file as root.
So I run the /etc/rc.local file and it prints out:

 *** Starting uWSGI 2.0.10 (64bit) on [Tue May 12 20:57:35 2015] *** compiled with version: 4.7.2 on 14 April 2015 16:47:40 os: Linux-2.6.32-042stab104.1 #1 SMP Thu Jan 29 12:58:41 MSK 2015 nodename: zoltan machine: x86_64 clock source: unix pcre jit disabled detected number of CPU cores: 8 current working directory: /var/uwsgi detected binary path: /usr/local/bin/uwsgi setgid() to 33 setuid() to 33 *** WARNING: you are running uWSGI without its master process manager *** your processes number limit is 2062113 your memory page size is 4096 bytes detected max file descriptor number: 1024 *** starting uWSGI Emperor ***

Since the output is shorter, I think the configuration files in /etc/uwsgi/vassals not loaded, and there are some problems with running imperial vassals.
Can anyone understand why? Thanks in advance for any response or comments.

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2 answers

Changing the owner of /var/www/django/ to www-data made it work.

In particular, the problem was ownership of the /etc/nginx/uwsgi_params .

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Change permissions on the sock folder file ...

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Source: https://habr.com/ru/post/987083/

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