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

syslogd - log systems messages
syslogd [-ds] [-f config_file] [-m mark_interval] [-P file_list] [-p log_socket] [-p log_socket2 ...]
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 log socket. Multiple -p options cre- ate multiple log sockets. If no -p arguments are created, the default socket of /var/run/log is used. -P Specify the pathname of a file containing a list of sockets to be created. The format of the file is simply one socket per line. 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 /var/run/log, from an Internet domain socket specified in /etc/services, and from the special device /dev/klog (to read kernel messages). syslogd creates the file /var/run/, and stores its process id there. This can be used to kill or reconfigure syslogd. By using multiple -p options, one can setup many chroot environments by passing the pathname to the log socket (/var/run/log) in each chroot area to syslogd. For example: syslogd -p /var/run/log -p /web/var/run/log -p /ftp/var/run/log note: the normal log socket must now also be passed to 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>.
/etc/syslog.conf The configuration file. /var/run/ The process id of current syslogd. /var/run/log Name of the UNIX domain datagram log socket. /dev/klog The kernel log device.
logger(1), syslog(3), services(5), syslog.conf(5)
The syslogd command appeared in 4.3BSD. Support for multiple log sockets appeared in NetBSD 1.4. NetBSD 1.4 February 18, 1999 2

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