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28 .\" @(#)logger.1 8.1 (Berkeley) 6/6/93
36 .Nd make entries in the system log
44 .Op Fl S Ar addr Ns \&: Ns Ar port
50 utility provides a shell command interface to the
54 The following options are available:
55 .Bl -tag -width indent
59 to use IPv4 addresses only.
63 to use IPv6 addresses only.
67 tries to send the message to only one address,
68 even if the host has more than one A or AAAA record.
69 If this option is specified,
71 tries to send the message to all addresses.
73 Log the process id of the logger process
76 Log the message to standard error, as well as the system log.
78 Read the contents of the specified file into syslog.
79 This option is ignored when a message is also specified.
81 Send the message to the remote system
83 instead of logging it locally.
93 .Pq Unix-domain socket
95 The following address formats are valid in
98 .Bl -tag -width "AF_LOCAL" -compact
107 Send the message to the specified
109 number on a remote system,
110 which can be specified as a service name
111 or as a decimal number.
114 If an unknown service name is used,
116 prints a warning and falls back to port 514.
118 Enter the message with the specified priority.
119 The priority may be specified numerically or as a
123 .Dq Fl p Li local3.info
124 logs the message(s) as
125 .Ar info Ns rmational
131 .It Fl S Ar addr Ns \&: Ns Ar port
132 Specify source address and/or source port when using
135 The same address will be used for all of the remote addresses
139 Note that a numeric IPv6 address in
141 must be enclosed with
146 Mark every line in the log with the specified
148 rather than the default of current login name.
150 Write the message to log; if not specified, and the
153 provided, standard input is logged.
158 .Bd -literal -offset indent -compact
159 logger System rebooted
161 logger \-p local0.notice \-t HOSTIDM \-f /dev/idmc
169 command is expected to be