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Re: Errors suggesting nginx isn't started as root

Palvelin Postmaster
September 05, 2019 03:46PM
Great catch, I hadn’t noticed that. Thanks Maxim!

Now I need to figure out what that process is. The log suggests it gets started when I launch the service but doesn’t keep running.

root@k2:/var/www# service nginx restart

root@k2:/var/www# tail /var/log/nginx/error.log
2019/09/05 22:40:34 [warn] 10871#10871: the "user" directive makes sense only if the master process runs with super-user privileges, ignored in /etc/nginx/nginx.conf:21
2019/09/05 22:40:34 [emerg] 10871#10871: 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)

root@k2:/var/www# ps -auxw |grep nginx
root 10789 0.0 0.0 387164 4352 ? Ss 22:40 0:00 nginx: master process /usr/sbin/nginx -g daemon on; master_process on;
www-data 10793 0.0 0.1 389708 12808 ? S 22:40 0:00 nginx: worker process
www-data 10794 0.0 0.1 389464 9320 ? S 22:40 0:00 nginx: worker process
www-data 10795 0.0 0.1 389464 9508 ? S 22:40 0:00 nginx: cache manager process
www-data 10799 0.0 0.1 389464 9508 ? S 22:40 0:00 nginx: cache loader process
root 10885 0.0 0.0 14660 1084 pts/0 R+ 22:40 0:00 grep --color=auto nginx



> On 5 Sep 2019, at 11.52, Maxim Dounin <mdounin@mdounin.ru> wrote:
>
> Hello!
>
> On Wed, Sep 04, 2019 at 03:59:41PM -0700, Palvelin Postmaster wrote:
>
>> This is still a big mystery to me. Upgrading to nginx 1.16.1 didn’t help.
>>
>> As far as I can understand, the nginx master process IS running with root privileges.
>
> The error is from process 22399, and no information available to
> find out the user started it. The errors suggest it wasn't root.
>
>>> 2018/09/19 11:38:47 [warn] 22399#22399: the "user" directive makes sense only if the master process runs with super-user privileges, ignored in /etc/nginx/nginx.conf:21
>>> 2018/09/19 11:38:47 [emerg] 22399#22399: SSL_CTX_use_PrivateKey_file("/etc/ssl/private/nginx-selfsigned.key") failed (SSL: error:0200100D:system library:fopen:Permission denied:fopen('/etc/ssl/private/nginx-selfsigned.key','r') error:20074002:BIO routines:file_ctrl:system lib error:140B0002:SSL routines:SSL_CTX_use_PrivateKey_file:system lib)
>
> [...]
>
>>> root@k2:~# ps -auxw |grep nginx
>>> root 22317 0.0 0.2 359680 9300 ? Ss 11:38 0:00 nginx: master process /usr/sbin/nginx -g daemon on; master_process on;
>>> www-data 22322 0.0 0.3 361980 15356 ? S 11:38 0:00 nginx: worker process
>>> www-data 22323 0.2 0.4 362244 18984 ? S 11:38 0:00 nginx: worker process
>>> www-data 22326 0.0 0.3 361980 14760 ? S 11:38 0:00 nginx: cache manager process
>>> www-data 22327 0.0 0.3 361980 14760 ? S 11:38 0:00 nginx: cache loader process

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Subject Author Posted

Errors suggesting nginx isn't started as root

Palvelin Postmaster via nginx September 19, 2018 05:02AM

Re: Errors suggesting nginx isn't started as root

Palvelin Postmaster September 04, 2019 07:00PM

Re: Errors suggesting nginx isn't started as root

Maxim Dounin September 05, 2019 02:54PM

Re: Errors suggesting nginx isn't started as root

Palvelin Postmaster September 05, 2019 03:46PM



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