6.5. Monitoramento de pós fixado com pmda-postfix

Procedimento

1. Instale os seguintes pacotes:

   1. Instale o pcp-system-tools:

      # yum instalar as ferramentas do sistema pcp

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   2. Instale o pacote pmda-postfix para monitorar postfix:

      # yum instalar pcp-pmda-postfix postfix

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   3. Instalar o daemon de extração:

      # yum instalar rsyslog

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   4. Instalar o cliente de correio para testes:

      # yum instalar mutt

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2. Habilitar os serviços postfix e rsyslog:

   # systemctl enable postfix rsyslog
   # systemctl restart postfix rsyslog

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3. Habilite o booleano SELinux, para que pmda-postfix possa acessar os arquivos de registro necessários:

   # setsebool -P pcp_read_generic_logs=on

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4. Instale o PMDA:

   # cd /var/lib/pcp/pmdas/postfix/
   
   # ./Install
   
   Updating the Performance Metrics Name Space (PMNS) ...
   Terminate PMDA if already installed ...
   Updating the PMCD control file, and notifying PMCD ...
   Waiting for pmcd to terminate ...
   Starting pmcd ...
   Check postfix metrics have appeared ... 7 metrics and 58 values

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