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28 .\" @(#)logger.1 8.1 (Berkeley) 6/6/93
35 .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
75 This flag is ignored and the process id is always logged.
79 Log the message to standard error, as well as the system log.
81 Read the contents of the specified file into syslog.
82 This option is ignored when a message is also specified.
84 Set the hostname in the header of the message to specified value.
85 If not specified, host part of
89 Send the message to the remote system
91 instead of logging it locally.
101 .Pq Unix-domain socket
103 The following address formats are valid in
106 .Bl -tag -width "AF_LOCAL" -compact
115 Send the message to the specified
117 number on a remote system,
118 which can be specified as a service name
119 or as a decimal number.
122 If an unknown service name is used,
124 prints a warning and falls back to port 514.
126 Enter the message with the specified priority.
127 The priority may be specified numerically or as a
131 .Dq Fl p Li local3.info
132 logs the message(s) as
133 .Ar info Ns rmational
139 .It Fl S Ar addr Ns \&: Ns Ar port
140 Specify source address and/or source port when using
143 The same address will be used for all of the remote addresses
147 Note that a numeric IPv6 address in
149 must be enclosed with
154 Mark every line in the log with the specified
156 rather than the default of current login name.
159 to insert specific decimal process id instead of id of
162 Write the message to log; if not specified, and the
165 provided, standard input is logged.
170 .Bd -literal -offset indent -compact
171 logger System rebooted
173 logger \-p local0.notice \-t HOSTIDM \-f /dev/idmc
181 command is expected to be