Access_log and error_log ownership

Hello,

I noticed the following behavior.

  1. stop nginx (/etc/init.d/nginx stop on a debian box)
  2. remove all logs in /var/log/nginx/
  3. start nginx

now /var/log/nginx/access.log and /var/log/nginx/error.log are owned by
root:root.

in fact it’s the same for all other vhosts log files.

  1. issue kill -USR1 cat /var/run/nginx.pid

now /var/log/nginx/access.log and /var/log/nginx/error.log are owned by
www-data:root, where www-data is nginx’s user as per
/etc/nginx/nginx.conf
configuration file.

same for all vhosts log files.

Why is it so?

Gregory

Hello!

On Sun, Mar 11, 2012 at 05:18:39PM +0100, Grégory Pakosz wrote:

Why is it so?
When reopening log files nginx has to do this from inside worker
processes, and to be able to do so it chown’s them to a user under
which nginx worker processes are running.

Maxim D.

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