Hi,

Could you check and show permissions on /etc/ssl/private, /etc/ssl,
and /etc directories.

Thanks.

--
Sergey

On Tue, Jun 08, 2021 at 03:57:59PM -0400, hgv wrote:
> Hi Sergey,
>
> Adding www-data user to ssl-cert group doesn't help.
>
> root@k2# usermod -a -G ssl-cert www-data
>
> root@k2# getent group ssl-cert
> ssl-cert:x:112:postgres,www-data
>
>
> Sergey A. Osokin Wrote:
> -------------------------------------------------------
> > Hi there,
> >
> > hope you're doing well.
> >
> > On Tue, Jun 08, 2021 at 11:46:32AM -0700, Palvelin Postmaster wrote:
> > > I wonder what can cause these weird error log entries? The log
> > entries indicate a PID which doesn’t exist. Does nginx launch some
> > temporary process when it starts?
> > >
> > > Nginx 1.21.0 on Ubuntu 20.04.
> > >
> > > root@k2:~# systemctl restart nginx
> > >
> > > root@k2:~# tail /var/log/nginx/error.log
> > > 2021/06/08 21:25:32 [warn] 1287733#1287733: the "user" directive
> > makes sense only if the master process runs with super-user
> > privileges, ignored in /etc/nginx/nginx.conf:21
> > > 2021/06/08 21:25:32 [emerg] 1287733#1287733: cannot load certificate
> > key "/etc/ssl/private/nginx-selfsigned.key": BIO_new_file() failed
> > (SSL: error:0200100D:system library:fopen:Permission
> > denied:fopen('/etc/ssl/private/nginx-selfsigned.key','r')
> > error:2006D002:BIO routines:BIO_new_file:system lib)
> >
> > Seems like an attempt to start nginx without root privileges.
> >
> > > root@k2:~# ls -lh /etc/ssl/private/ |grep selfsigned
> > > -rw-r----- 1 root ssl-cert 1.7K Jul 8 17:12 nginx-selfsigned.key
> > >
> > > root@k2:~# cat /etc/nginx/nginx.conf |grep ^user
> > > user www-data;
> > >
> > > root@k2:~# ps -auxw |grep nginx
> > > root 1287600 0.0 0.0 56148 6504 ? Ss 21:25 0:00
> > nginx: master process /usr/sbin/nginx -c /etc/nginx/nginx.conf
> > > www-data 1287601 0.7 0.1 58544 15652 ? S 21:25 0:05
> > nginx: worker process
> > > www-data 1287602 0.0 0.1 57556 13696 ? S 21:25 0:00
> > nginx: worker process
> > > www-data 1287603 0.0 0.1 56392 9184 ? S 21:25 0:00
> > nginx: cache manager process
> >
> > Could you check `www-data' user permission, and add, if necessary, to
> > the `ssl-cert' group.
> >
> > --
> > Sergey Osokin
> > _______________________________________________
> > nginx mailing list
> > nginx@nginx.org
> > http://mailman.nginx.org/mailman/listinfo/nginx
>
> Posted at Nginx Forum: https://forum.nginx.org/read.php?2,291799,291801#msg-291801
>
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