Zabbix Documentation 3.2

2.23.04.04.2 (current)In development:4.4 (devel)Unsupported:1.82.02.43.23.4

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manual:config:items:userparameters

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manual:config:items:userparameters [2015/11/19 14:14]
asaveljevs fixed | character style in shell command
manual:config:items:userparameters [2018/01/25 13:02] (current)
martins-v removing reference to a table that is absent in 3.2
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-==== - #4 User parameters ====+==== 4 User parameters ====
  
 === Overview === === Overview ===
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 Then, when [[item|configuring an item]], enter the key to reference the command from the user parameter you want executed. Then, when [[item|configuring an item]], enter the key to reference the command from the user parameter you want executed.
  
-User parameters are commands executed by Zabbix agent. Up to 512KB of data can be returned. ​**/bin/sh** is used as a command line interpreter under UNIX operating systems. User parameters obey the agent check timeout; if timeout is reached ​the forked user parameter process ​is terminated.+User parameters are commands executed by Zabbix agent. Up to 512KB of data can be returned. ​Note, however, that the text value that can be eventually stored in database ​is limited to 64KB on MySQL.
  
-See also [[manual:​config:​items:​userparameters:​extending_agent|step-by-step tutorial]] on making use of user parameters.+**/bin/sh** is used as a command line interpreter under UNIX operating systems. User parameters obey the agent check timeout; if timeout is reached the forked user parameter process is terminated. 
 + 
 +See also
 + 
 +  * [[manual:​config:​items:​userparameters:​extending_agent|Step-by-step tutorial]] on making use of user parameters 
 +  * [[manual/​appendix/​command_execution|Command execution]]
  
 == Examples of simple user parameters == == Examples of simple user parameters ==