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3 Agente Zabbix (UNIX, processo Standalone daemon)
O Agente Zabbix para unix é executado em um host sendo monitorado. O agente fornece performance do host e informação de disponibilidade pelo Zabbix Server. O agente Zabbix processa itens do tipo 'Zabbix Agent' e 'Zabbix Agent (ativo)'.
O Zabbix Agente pode ser iniciado executando os seguintes comandos:
O agente Zabbix é executado como um processo daemon. O agente Zabbix aceita os seguinte parametros de linha de comando
-c --config <arquivo> especifica o arquivo de configuração, o padrão é /etc/zabbix/zabbix_agentd.conf
-h --help mostra essa tela de ajuda
-v --version mostra a versão do agente
-p --print imprime as metricas suportadas e saída.
-t --test <metric> testas metricas especificadas e saída.No caso de mostrar essa ajuda, execute:
Exemplos de parâmetros de linha de comando:
shell> zabbix_agentd -c /usr/local/etc/zabbix_agentd.conf
shell> zabbix_agentd --help
shell> zabbix_agentd --print
shell> zabbix_agentd -t "system.cpu.load[all,avg1]"o arquivo de configuração contem parâmetros de configuração para o zabbix_agentd. O arquivo deve existir e eke deveria ter permissão de leiura para o usuário 'zabbix'. Parâmetros suportados:
| Parâmetros | Mandatório | Alcance | Padrão | Descrição |
|---|---|---|---|---|
| BufferSend | no | 1-3600 | 5 | Do not keep data longer than N seconds in buffer. |
| BufferSize | no | 2-65535 | 100 | Maximum number of values in a memory buffer. The agent will send all collected data to Zabbix Server or Proxy if the buffer is full. |
| DebugLevel | no | 0-4 | 3 | Specifies debug level 0 - no debug 1 - critical information 2 - error information 3 - warnings 4 - for debugging (produces lots of information) |
| DisableActive | no | 0 | Disable active checks. The agent will work in passive mode listening for server. | |
| DisablePassive | no | 0 | Disable passive checks. The agent will not listen on any TCP port. Only active checks will be processed. 0 - do not disable 1 - disable |
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| EnableRemoteCommands | no | 0 | Whether remote commands from Zabbix server are allowed. 0 - not allowed 1 - allowed |
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| Hostname | system.uname | Unique hostname. Required for active checks and must match hostname as configured on the server. |
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| Include | no | You may include individual files or all files in a directory in the configuration file. | ||
| ListenIP | no | 0.0.0.0 | List of comma delimited IP addresses that the agent should listen on. Multiple IP addresses are supported in version 1.8.3 and higher. |
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| ListenPort | no | 1024-32767 | 10050 | Agent will listen on this port for connections from the server. |
| LogFileSize | no | 0-1024 | 1 | Maximum size of log file in MB. 0 - disable automatic log rotation. |
| LogFile | no | Name of log file. If not set, syslog is used. |
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| LogRemoteCommands | no | 0 | Enable logging of executed shell commands as warnings 0 - disabled 1 - enabled |
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| MaxLinesPerSecond | no | 1-1000 | 100 | Maximum number of new lines the agent will send per second to Zabbix Server or Proxy processing 'log' and 'eventlog' active checks. The provided value will be overridden by the parameter 'maxlines', provided in 'log' or 'eventlog' item key. |
| PidFile | no | /tmp/zabbix_agentd.pid | Name of PID file. | |
| RefreshActiveChecks | no | 60-3600 | 120 | How often list of active checks is refreshed, in seconds. |
| ServerPort | no | 10051 | Server port for retrieving list of and sending active checks. | |
| Server | yes | List of comma delimited IP addresses (or hostnames) of Zabbix servers. No spaces allowed. First entry is used for receiving list of and sending active checks. Note that hostnames must resolve hostname→IP address and IP address→hostname. |
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| SourceIP | no | Source IP address for outgoing connections. | ||
| StartAgents | no | 1-16 | 3 | Number of pre-forked instances of zabbix_agentd that process passive checks. |
| Timeout | no | 1-30 | 3 | Spend no more than Timeout seconds on processing |
| UnsafeUserParameters | no | 0,1 | 0 | Allow all characters to be passed in arguments to user-defined parameters. Supported since Zabbix 1.8.2. |
| UserParameter | no | User-defined parameter to monitor. There can be several user-defined parameters. Format: UserParameter=<key>,<shell command> Note that shell command must not return empty string or EOL only. Example: UserParameter=system.test,who|wc -l |
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