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-#+title: Fixing Permission Errors in /var/lib/nginx
-#+date: 2022-11-11
-#+description: Learn how to fix permission errors related to the Nginx temporary file storage.
-#+filetags: :nginx:
-
-/This is a brief post so that I personally remember the solution as it
-has occurred multiple times for me./
-
-* The Problem
-After migrating to a new server OS, I started receiving quite a few
-permission errors like the one below. These popped up for various
-different websites I'm serving via Nginx on this server, but did not
-prevent the website from loading.
-
-I found the errors in the standard log file:
-
-#+begin_src sh
-cat /var/log/nginx/error.log
-#+end_src
-
-#+begin_src sh
-2022/11/11 11:30:34 [crit] 8970#8970: *10 open() "/var/lib/nginx/tmp/proxy/3/00/0000000003" failed (13: Permission denied) while reading upstream, client: 169.150.203.10, server: cyberchef.example.com, request: "GET /assets/main.css HTTP/2.0", upstream: "http://127.0.0.1:8111/assets/main.css", host: "cyberchef.example.com", referrer: "https://cyberchef.example.com/"
-#+end_src
-
-You can see that the error is =13: Permission denied= and it occurs in
-the =/var/lib/nginx/tmp/= directory. In my case, I had thousands of
-errors where Nginx was denied permission to read/write files in this
-directory.
-
-So how do I fix it?
-
-* The Solution
-In order to resolve the issue, I had to ensure the =/var/lib/nginx=
-directory is owned by Nginx. Mine was owned by the =www= user and Nginx
-was not able to read or write files within that directory. This
-prevented Nginx from caching temporary files.
-
-#+begin_src sh
-# Alpine Linux
-doas chown -R nginx:nginx /var/lib/nginx
-
-# Other Distros
-sudo chown -R nginx:nginx /var/lib/nginx
-#+end_src
-
-You /may/ also be able to change the =proxy_temp_path= in your Nginx
-config, but I did not try this. Here's a suggestion I found online that
-may work if the above solution does not:
-
-#+begin_src sh
-nano /etc/nginx/http.d/example.com.conf
-#+end_src
-
-#+begin_src conf
-server {
-  ...
-
-  # Set the proxy_temp_path to your preference, make sure it's owned by the 
-  # `nginx` user
-  proxy_temp_path /tmp;
-
-  ...
-}
-#+end_src
-
-Finally, restart Nginx and your server should be able to cache temporary
-files again.
-
-#+begin_src sh
-# Alpine Linux (OpenRC)
-doas rc-service nginx restart
-
-# Other Distros (systemd)
-sudo systemctl restart nginx
-#+end_src