Pokial myslis tento:
https://www.zabbix.com/forum/showthread.php?t=31147
Tak som skusal na verzii 2.4 a nejako to nevie poslat data do zabbixu a nekresli graf. To som doinstaloval aj zabbix-sender apt-get install zabbix-sender a upravil cesty k suborom fping a zbxsender v zbxsmokeping. zbxsmokeping je u mna v /usr/lib/zabbix/externalscripts/
# Where is your zabbix server
ZBXSERVER=127.0.0.1
# where is fping tool?
FPING=/usr/bin/fping
# where is zabbix_sender tool?
ZBXSENDER=/usr/bin/zabbix_sender