root@someserver:~# cat /etc/zabbix/zabbix_agentd.conf 
# This is config file for zabbix_agentd
# To get more information about ZABBIX, go http://www.zabbix.com

############ GENERAL PARAMETERS #################

# List of comma delimited IP addresses (or hostnames) of ZABBIX servers. 
# No spaces allowed. First entry is used for sending active checks.
# Note that hostnames must resolve hostname->IP address and
# IP address->hostname.

Server=backend.yourmom.com

# Server port for sending active checks

#ServerPort=10051

# Unique hostname. Required for active checks.

Hostname=someserver.example.com

# Listen port. Default is 10050

#ListenPort=10050

# IP address to bind agent
# If missing, bind to all available IPs

#ListenIP=1.2.3.4

# Number of pre-forked instances of zabbix_agentd.
# Default value is 5
# This parameter must be between 1 and 16

StartAgents=5

# How often refresh list of active checks. 2 minutes by default.

#RefreshActiveChecks=120

# Disable active checks. The agent will work in passive mode listening server.

DisableActive=0
DisablePassive=1

# Enable remote commands for ZABBIX agent. By default remote commands disabled.

#EnableRemoteCommands=1

# Specifies debug level
# 0 - debug is not created
# 1 - critical information
# 2 - error information
# 3 - warnings
# 4 - information (default)
# 5 - for debugging (produces lots of information)

DebugLevel=4

# Name of PID file

PidFile=/var/run/zabbix-agent/zabbix_agentd.pid

# Name of log file.
# If not set, syslog will be used

LogFile=/var/log/zabbix-agent/zabbix_agentd.log

# Maximum size of log file in MB. Set to 0 to disable automatic log rotation.
#LogFileSize=1

# Spend no more than Timeout seconds on processing
# Must be between 1 and 30

Timeout=10

####### USER-DEFINED MONITORED PARAMETERS #######
# Format: UserParameter=<key>,<shell command>
# Note that shell command must not return empty string or EOL only
#UserParameter=system.test,who|wc -l
### Set of parameter for monitoring MySQL server (v3.23.42 and later)
### Change -u<username> and add -p<password> if required
UserParameter=mysql.ping,/usr/bin/mysqladmin -uyourmom -ppassword ping|grep alive|wc -l
UserParameter=mysql.uptime,/usr/bin/mysqladmin -uyourmom -ppassword status|cut -f2 -d":"|cut -f1 -d"T"
UserParameter=mysql.threads,/usr/bin/mysqladmin -uyourmom -ppassword status|cut -f3 -d":"|cut -f1 -d"Q"
UserParameter=mysql.questions,/usr/bin/mysqladmin -uyourmom -ppassword status|cut -f4 -d":"|cut -f1 -d"S"
UserParameter=mysql.slowqueries,/usr/bin/mysqladmin -uyourmom -ppassword status|cut -f5 -d":"|cut -f1 -d"O"
UserParameter=mysql.qps,/usr/bin/mysqladmin -uyourmom -ppassword status|cut -f9 -d":"
UserParameter=mysql.version,mysql -V | cut -f6 -d" " | sed 's/,//'
UserParameter=mysqlslave.iorun,/opt/yourmom/bin/mysql_repl_status.pl iorun
UserParameter=mysqlslave.sqlrun,/opt/yourmom/bin/mysql_repl_status.pl sqlrun
UserParameter=mysqlslave.secbmaster,/opt/yourmom/bin/mysql_repl_status.pl secbmaster