Logging options

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The following tables show options for destinations, logging levels, and facility numbers.

Logging destinations

Use host as the logging destination in this procedure.

Destination

Purpose

console

Logging to a system console

file

Logging to a file stored in /var/log/user/

global

Logging to a system standard location

host

Logging to a remote host

user

Logging to a specific user's terminal

    Logging levels

    The level variable refers to severity level, which can be application-specific.

    Level

    Purpose

    emerg

    Emergency messages

    alert

    Urgent messages

    crit

    Critical messages

    err

    Error messages

    warning

    Warning messages

    notice

    Messages for investigation (default)

    info

    Informational messages

    debug

    Debug messages

      Facility numbers

      The facility variable refers to the type of program logging the message.

      Facility

      Purpose

      all

      All facilities excluding “mark”

      auth

      Authentication and authorization

      authpriv

      Non-system authorization

      cron

      Cron daemon

      daemon

      System daemons

      kern

      Kernel

      lpr

      Line printer spooler

      mail

      Mail subsystem

      mark

      Timestamp

      news

      USENET subsystem

      protocols

      Routing protocols (local7)

      security

      Authentication and authorization

      syslog

      System activity logging

      user

      Application processes

      uucp

      UUCP subsystem

      local0

      Local facility 0

      local1

      Local facility 1

      local2

      Local facility 2

      local3

      Local facility 3

      local4

      Local facility 4

      local5

      Local facility 5

      local6

      Local facility 6