diff -up roundcubemail-1.1.0/config/defaults.inc.php.orig roundcubemail-1.1.0/config/defaults.inc.php
--- roundcubemail-1.1.0/config/defaults.inc.php.orig	2015-02-16 17:39:52.274132735 +0100
+++ roundcubemail-1.1.0/config/defaults.inc.php	2015-02-16 17:46:10.336534781 +0100
@@ -321,11 +321,11 @@ $config['user_aliases'] = false;
 // use this folder to store log files
 // must be writeable for the user who runs PHP process (Apache user if mod_php is being used)
 // This is used by the 'file' log driver.
-$config['log_dir'] = RCUBE_INSTALL_PATH . 'logs/';
+$config['log_dir'] = '/var/log/roundcubemail/';
 
 // use this folder to store temp files
 // must be writeable for the user who runs PHP process (Apache user if mod_php is being used)
-$config['temp_dir'] = RCUBE_INSTALL_PATH . 'temp/';
+$config['temp_dir'] = '/var/lib/roundcubemail/';
 
 // expire files in temp_dir after 48 hours
 // possible units: s, m, h, d, w
@@ -511,7 +511,7 @@ $config['mime_magic'] = null;
 // This is used to derive mime-types from the filename extension or vice versa.
 // Such a file is usually part of the apache webserver. If you don't find a file named mime.types on your system,
 // download it from http://svn.apache.org/repos/asf/httpd/httpd/trunk/docs/conf/mime.types
-$config['mime_types'] = null;
+$config['mime_types'] = '/etc/mime.types';
 
 // path to imagemagick identify binary (if not set we'll use Imagick or GD extensions)
 $config['im_identify_path'] = null;
diff -up roundcubemail-1.1.0/installer/index.php.orig roundcubemail-1.1.0/installer/index.php
--- roundcubemail-1.1.0/installer/index.php.orig	2015-02-16 17:39:52.274132735 +0100
+++ roundcubemail-1.1.0/installer/index.php	2015-02-16 17:41:44.115547278 +0100
@@ -41,7 +41,7 @@ ini_set('display_errors', 1);
 
 define('INSTALL_PATH', realpath(__DIR__ . '/../').'/');
 define('RCUBE_INSTALL_PATH', INSTALL_PATH);
-define('RCUBE_CONFIG_DIR', INSTALL_PATH . 'config/');
+define('RCUBE_CONFIG_DIR', '/etc/roundcubemail/');
 
 $include_path  = INSTALL_PATH . 'program/lib' . PATH_SEPARATOR;
 $include_path .= INSTALL_PATH . 'program/include' . PATH_SEPARATOR;
diff -up roundcubemail-1.1.0/program/include/iniset.php.orig roundcubemail-1.1.0/program/include/iniset.php
--- roundcubemail-1.1.0/program/include/iniset.php.orig	2015-02-08 14:48:56.000000000 +0100
+++ roundcubemail-1.1.0/program/include/iniset.php	2015-02-16 17:39:52.274132735 +0100
@@ -29,7 +29,7 @@ if (!defined('INSTALL_PATH')) {
 }
 
 if (!defined('RCMAIL_CONFIG_DIR')) {
-    define('RCMAIL_CONFIG_DIR', INSTALL_PATH . 'config');
+    define('RCMAIL_CONFIG_DIR', '/etc/roundcubemail');
 }
 
 if (!defined('RCUBE_LOCALIZATION_DIR')) {
@@ -37,7 +37,7 @@ if (!defined('RCUBE_LOCALIZATION_DIR'))
 }
 
 define('RCUBE_INSTALL_PATH', INSTALL_PATH);
-define('RCUBE_CONFIG_DIR',  RCMAIL_CONFIG_DIR.'/');
+define('RCUBE_CONFIG_DIR', '/etc/roundcubemail/');
 
 
 // RC include folders MUST be included FIRST to avoid other
diff -up roundcubemail-1.1.0/program/lib/Roundcube/bootstrap.php.orig roundcubemail-1.1.0/program/lib/Roundcube/bootstrap.php
--- roundcubemail-1.1.0/program/lib/Roundcube/bootstrap.php.orig	2015-02-08 14:48:56.000000000 +0100
+++ roundcubemail-1.1.0/program/lib/Roundcube/bootstrap.php	2015-02-16 17:39:52.274132735 +0100
@@ -66,7 +66,7 @@ if (!defined('RCUBE_INSTALL_PATH')) {
 }
 
 if (!defined('RCUBE_CONFIG_DIR')) {
-    define('RCUBE_CONFIG_DIR', RCUBE_INSTALL_PATH . 'config/');
+    define('RCUBE_CONFIG_DIR', '/etc/roundcubemail/');
 }
 
 if (!defined('RCUBE_PLUGINS_DIR')) {