/usr.bin/logger/logger.1

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  28. .\" @(#)logger.1 8.1 (Berkeley) 6/6/93
  29. .\" $FreeBSD$
  30. .\"
  31. .Dd August 2, 2006
  32. .Dt LOGGER 1
  33. .Os
  34. .Sh NAME
  35. .Nm logger
  36. .Nd make entries in the system log
  37. .Sh SYNOPSIS
  38. .Nm
  39. .Op Fl 46Ais
  40. .Op Fl f Ar file
  41. .Op Fl h Ar host
  42. .Op Fl P Ar port
  43. .Op Fl p Ar pri
  44. .Op Fl t Ar tag
  45. .Op Ar message ...
  46. .Sh DESCRIPTION
  47. The
  48. .Nm
  49. utility provides a shell command interface to the
  50. .Xr syslog 3
  51. system log module.
  52. .Pp
  53. The following options are available:
  54. .Bl -tag -width indent
  55. .It Fl 4
  56. Force
  57. .Nm
  58. to use IPv4 addresses only.
  59. .It Fl 6
  60. Force
  61. .Nm
  62. to use IPv6 addresses only.
  63. .It Fl A
  64. By default,
  65. .Nm
  66. tries to send the message to only one address,
  67. even if the host has more than one A or AAAA record.
  68. If this option is specified,
  69. .Nm
  70. tries to send the message to all addresses.
  71. .It Fl i
  72. Log the process id of the logger process
  73. with each line.
  74. .It Fl s
  75. Log the message to standard error, as well as the system log.
  76. .It Fl f Ar file
  77. Log the specified file.
  78. .It Fl h Ar host
  79. Send the message to the remote system
  80. .Ar host
  81. instead of logging it locally.
  82. .It Fl P Ar port
  83. Send the message to the specified
  84. .Ar port
  85. number on a remote system,
  86. which can be specified as a service name
  87. or as a decimal number.
  88. The default is
  89. .Dq Li syslog .
  90. If an unknown service name is used,
  91. .Nm
  92. prints a warning and falls back to port 514.
  93. .It Fl p Ar pri
  94. Enter the message with the specified priority.
  95. The priority may be specified numerically or as a ``facility.level''
  96. pair.
  97. For example, ``\-p local3.info'' logs the message(s) as
  98. .Ar info Ns rmational
  99. level in the
  100. .Ar local3
  101. facility.
  102. The default is ``user.notice.''
  103. .It Fl t Ar tag
  104. Mark every line in the log with the specified
  105. .Ar tag
  106. rather than the default of current login name.
  107. .It Ar message
  108. Write the message to log; if not specified, and the
  109. .Fl f
  110. flag is not
  111. provided, standard input is logged.
  112. .El
  113. .Sh EXIT STATUS
  114. .Ex -std
  115. .Sh EXAMPLES
  116. .Bd -literal -offset indent -compact
  117. logger System rebooted
  118. logger \-p local0.notice \-t HOSTIDM \-f /dev/idmc
  119. .Ed
  120. .Sh SEE ALSO
  121. .Xr syslog 3 ,
  122. .Xr syslogd 8
  123. .Sh STANDARDS
  124. The
  125. .Nm
  126. command is expected to be
  127. .St -p1003.2
  128. compatible.