W /etc/apache2/error.log mam:

[Thu Jun 25 12:01:12 2015] [notice] Apache/2.2.22 (Ubuntu) PHP/5.3.10-1ubuntu3.18
with Suhosin-Patch configured -- resuming normal operations
[Thu Jun 25 12:40:38 2015] [notice] caught SIGTERM, shutting down
[Thu Jun 25 14:51:02 2015] [notice] Apache/2.2.22 (Ubuntu) PHP/5.3.10-1ubuntu3.18
with Suhosin-Patch configured -- resuming normal operations
[Thu Jun 25 14:52:55 2015] [error] [client 127.0.0.1] File does not exist:
/var/www/home, referer: http://localhost/index.php/announcement/index
[Thu Jun 25 14:52:57 2015] [error] [client 127.0.0.1] File does not exist:
/home/robert/public_html/captcha/1435236775.2758.jpg
, referer: http://localhost/index.php/announcement/index
[Thu Jun 25 14:53:03 2015] [error] [client 127.0.0.1] File does not exist:
/var/www/announcement