diff --git a/official_docs/en/server_install.rst b/official_docs/en/server_install.rst
index 8ee9617..351d357 100644
--- a/official_docs/en/server_install.rst
+++ b/official_docs/en/server_install.rst
@@ -1,2 +1,81 @@
 Install new OBM Server guide
 ----------------------------
+
+Several low-level settings coming from the local_vars.php.inc file which can be updated by the server admin
+
+local_vars.php.inc
+..................
+. code-block:: php
+  // Database connection definitions
+  // Please change the passwords for an other random string
+  define('gisdb_user','YOUR_PROJECT_ADMIN');
+  define('gisdb_pass','xxxxxxx');
+  define('gisdb_name','POSTGRES_DB_NAME');
+  define('gisdb_host','POSTGRES_HOST_NAME');
+  
+  // project's sql table name 
+  define('PROJECTTABLE','your_database_table_name');
+  #define('PROJECTTABLE',basename(__DIR__));
+  
+  // default project data restriction level
+  // `public` data read/mod for everybody
+  // `login` data read/mod only for logined users
+  // `group` data read/mod only for group members
+  define('ACC_LEVEL','public');
+  define('MOD_LEVEL','group');
+  
+  // default language
+  // the corresponding language file should be exists
+  // see the language file inclusion in the prepare_vars.php
+  define('LANG','hu'); # en, ro, ru, ...
+  
+  // On openbiomaps.org is /projects
+  // else maybe empty
+  define('PATH','/biomaps/resources');
+  define('URL',sprintf("%s%s",$_SERVER['SERVER_NAME'],PATH));
+  
+  // mapserver variable
+  define('PRIVATE_MAPSERV',sprintf("%s/private/proxy.php",URL));
+  define('PUBLIC_MAPSERV',sprintf("%s/public/proxy.php",URL));
+  define('PRIVATE_MAPCACHE',sprintf("%s/private/cache.php",URL));
+  define('PUBLIC_MAPCACHE',sprintf("%s/public/cache.php",URL));
+  define('MAPSERVER','http://localhost/cgi-bin/mapserv.fcgi');
+  define('MAPCACHE','http://localhost/mapcache');
+  define('MAP','PMAP');
+  
+  // MAP's JS OBJ variables
+  // should move into postgresql vars
+  define('PRIVATE_MAPFILE','private.map');
+  
+  // Invitations
+  // If 0, only admin can send invitations
+  // otherwise the specified number of active invitation can be, so can't send more the xx invitations at once
+  // default is 11
+  define('INVITATIONS',11);
+  
+  # MAIL settings, if no local mail agent...
+  #define('SMTP_AUTH',true);
+  # local smtp server example 
+  #define('SMTP_HOST','mail.your-smtp-server.org');
+  #define('SMTP_USERNAME','MAIL USER');
+  #define('SMTP_PASSWORD','xxxxxx');
+  #define('SMTP_PORT','PORT-NUMBER');
+  #define('SMTP_SENDER','mail_user@your-smtp-server.org');
+  # Google example, it not works, updates needed!!!
+  #define('SMTP_HOST','smtp.gmail.com');
+  #define('SMTP_USERNAME','your-user@gmail.com');
+  #define('SMTP_PASSWORD','xxxxxxxxx');
+  #define('SMTP_SECURE','tls');
+  #define('SMTP_PORT','587');
+  
+  //define('TURN_OFF_LAYERS','layer_data_points');
+  define('MAP_OVER_MAINPAGE',0);
+  define('LOAD_INTROPAGE',0);
+  define('SHINYURL',false);
+  define('RSERVER',false);
+  define('LOGINPAGE','map');
+  define('TRAINING',false);
+  
+  // used by the read_table module to encrypt the table name, ...
+  define('MyHASH','password-string');
+