README for zabbix server

Contents of this file were wikified, see current version at:
http://crux.nu/Wiki/InstallingZabbix

PRECAUTION
If you are upgrading to some 1.6.x version - it is recommended to create 
the following indexes in order to speed up performance of ZABBIX front-end 
as well as server side (ignore it if the indexes already exist):
 CREATE UNIQUE INDEX history_log_2 on history_log (itemid,id);
 CREATE UNIQUE INDEX history_text_2 on history_text (itemid,id);
 CREATE INDEX graphs_items_1 on graphs_items (itemid);
 CREATE INDEX graphs_items_2 on graphs_items (graphid);
 CREATE INDEX services_1 on services (triggerid);
 
After upgrading from version 1.6.4 log default file location was changed,
adjust /etc/zabbix/zabbix_server.conf file:
 LogFile=/var/log/zabbix_server/zabbix_server.log
and change it's permissions, and possibly delete old log dir.