# /usr/local/zabbix-2.2.1/bin/zabbix_get -h
Zabbix get v2.2.1 (revision 40808) (09 December 2013)
usage: zabbix_get [-hV] -s <host name or IP> [-p <port>] [-I <IP address>] -k <key>
Options:
-s --host <host name or IP> Specify host name or IP address of a host
-p --port <port number> Specify port number of agent running on the host. Default is 10050
-I --source-address <IP address> Specify source IP address
-k --key <key of metric> Specify key of item to retrieve value for
-h --help Give this help
-V --version Display version number
Example: zabbix_get -s 127.0.0.1 -p 10050 -k "system.cpu.load[all,avg1]"