syslogd(8) - NetBSD Manual Pages

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SYSLOGD(8)              NetBSD System Manager's Manual              SYSLOGD(8)


NAME

     syslogd - log systems messages


SYNOPSIS

     syslogd [-d] [-f config_file] [-m mark_interval] [-p log_socket] [-s]


DESCRIPTION

     syslogd reads and logs messages to the system console, log files, other
     machines and/or users as specified by its configuration file.  The op-
     tions are as follows:

     -d      Enable debugging to the standard output, and do not disassociate
             from the controlling terminal.

     -f      Specify the pathname of an alternative configuration file; the
             default is /etc/syslog.conf.

     -m      Select the number of minutes between ``mark'' messages; the de-
             fault is 20 minutes.

     -s      Select ``secure'' mode, in which syslogd does not open a UDP
             socket but only communicates over a UNIX domain socket.  This is
             valuable when the machine on which syslogd runs is subject to at-
             tack over the network and it is desired that the machine be pro-
             tected from attempts to remotely fill logs and similar attacks.

     -p      Specify the pathname of an alternative log socket; the default is
             /dev/log.

     syslogd reads its configuration file when it starts up and whenever it
     receives a hangup signal.  For information on the format of the configu-
     ration file, see syslog.conf(5).

     syslogd reads messages from the UNIX domain socket /dev/log, from an In-
     ternet domain socket specified in /etc/services, and from the special de-
     vice /dev/klog (to read kernel messages).

     syslogd creates the file /var/run/syslog.pid, and stores its process id
     there.  This can be used to kill or reconfigure syslogd.

     The message sent to syslogd should consist of a single line.  The message
     can contain a priority code, which should be a preceding decimal number
     in angle braces, for example, `<5.>' This priority code should map into
     the priorities defined in the include file <sys/syslog.h>.


FILES

     /etc/syslog.conf     The configuration file.
     /var/run/syslog.pid  The process id of current syslogd.
     /dev/log             Name of the UNIX domain datagram log socket.
     /dev/klog            The kernel log device.


SEE ALSO

     logger(1),  syslog(3),  services(5),  syslog.conf(5)


HISTORY

     The syslogd command appeared in 4.3BSD.

4.2 Berkeley Distribution        June 6, 1993                                1