[root@localhost ~]# cd /etc/zabbix/

[root@localhost zabbix]# ls

web  zabbix_agentd.conf  zabbix_agentd.d  zabbix_server.conf  zabbix_server.conf_bak

[root@localhost zabbix]# ll zabbix_agentd.d/userparameter_mysql.conf

-rw-r--r--.  root root  Dec    zabbix_agentd.d/userparameter_mysql.conf

[root@localhost zabbix]# 

# For all the following commands HOME should be set to the directory that has .my.cnf file with password information.

# Flexible parameter to grab global variables. On the frontend side, use keys like mysql.status[Com_insert].

# Key syntax is mysql.status[variable].

UserParameter=mysql.status[*],echo "show global status where Variable_name='$1';" | HOME=/var/lib/zabbix mysql -N | awk '{print $$2}'

# Flexible parameter to determine database or table size. On the frontend side, use keys like mysql.size[zabbix,history,data].

# Key syntax is mysql.size[<database>,<table>,<type>].

# Database may be a database name or "all". Default is "all".

# Table may be a table name or "all". Default is "all".

# Type may be "data", "index", "free" or "both". Both is a sum of data and index. Default is "both".

# Database is mandatory if a table is specified. Type may be specified always.

# Returns value in bytes.

# 'sum' on data_length or index_length alone needed when we are getting this information for whole database instead of a single table

UserParameter=mysql.size[*],bash -c 'echo "select sum($(case "$3" in both|"") echo "data_length+index_length";; data|index) echo "$3_length";; free) echo "data_free";; esac)) from inform

ation_schema.tables$([[ "$1" = "all" || ! "$1" ]] || echo " where table_schema=\"$1\"")$([[ "$2" = "all" || ! "$2" ]] || echo "and table_name=\"$2\"");" | HOME=/var/lib/zabbix mysql -N'

UserParameter=mysql.ping,HOME=/var/lib/zabbix mysqladmin ping | grep -c alive

UserParameter=mysql.version,mysql -V

[root@localhost zabbix]# pwd

/etc/zabbix

[root@localhost zabbix]# cat .my.cnf

[mysql]

host=localhost

user=zabbix

password=

[mysqladmin]

host=localhost

user=zabbix

password=

UserParameter=mysql.status[*],echo "show global status where Variable_name='$1';" | HOME=/etc/zabbix  /usr/bin/mysql -N | awk '{print $$2}'

UserParameter=mysql.size[*],bash -c 'echo "select sum($(case "$3" in both|"") echo "data_length+index_length";; data|index) echo "$3_length";; free) echo "data_free";; esac)) from inform

ation_schema.tables$([[ "$1" = "all" || ! "$1" ]] || echo " where table_schema=\"$1\"")$([[ "$2" = "all" || ! "$2" ]] || echo "and table_name=\"$2\"");" | HOME=/etc/zabbix /usr/bin/mysql

 -N'

UserParameter=mysql.ping,HOME=/etc/zabbix /usr/bin/mysqladmin ping | grep -c alive
UserParameter=mysql.version,mysql -V

[root@localhost ~]# whereis mysql

mysql: /usr/bin/mysql /usr/lib/mysql /usr/lib64/mysql /usr/include/mysql /usr/local/mysql /usr/share/mysql /usr/share/man/man1/mysql..gz

[root@localhost ~]# whereis mysqladmin

mysqladmin: /usr/bin/mysqladmin /usr/share/man/man1/mysqladmin..gz