root@nginx:~# ls -la /etc/nginx
total 34
drwxr-xr-x  6 root root   16 May 10 16:33 .
drwxr-xr-x 91 root root  180 May 10 16:33 ..
drwxr-xr-x  2 root root    2 Oct 27  2016 conf.d
-rw-r--r--  1 root root 1077 Apr 26  2016 fastcgi.conf
-rw-r--r--  1 root root 1007 Apr 26  2016 fastcgi_params
-rw-r--r--  1 root root 2837 Apr 26  2016 koi-utf
-rw-r--r--  1 root root 2223 Apr 26  2016 koi-win
-rw-r--r--  1 root root 3957 Apr 26  2016 mime.types
-rw-r--r--  1 root root 1462 Apr 26  2016 nginx.conf
-rw-r--r--  1 root root  180 Apr 26  2016 proxy_params
-rw-r--r--  1 root root  636 Apr 26  2016 scgi_params
drwxr-xr-x  2 root root    3 May 10 16:33 sites-available
drwxr-xr-x  2 root root    3 May 10 16:33 sites-enabled
drwxr-xr-x  2 root root    4 May 10 16:33 snippets
-rw-r--r--  1 root root  664 Apr 26  2016 uwsgi_params
-rw-r--r--  1 root root 3071 Apr 26  2016 win-utf
root@nginx:~# ls -la /etc/nginx/conf.d/
total 2
drwxr-xr-x 2 root root  2 Oct 27  2016 .
drwxr-xr-x 6 root root 16 May 10 16:33 ..
root@nginx:~# rm /etc/nginx/conf.d/nginx.conf
rm: cannot remove '/etc/nginx/conf.d/nginx.conf': No such file or directory