SYSLOGD(8) - man page online | administration and privileged commands
Log systems messages.
June 6, 1993
SYSLOGD(8) BSD System Manager's Manual SYSLOGD(8)
NAME syslogd — log systems messages SYNOPSIS syslogd [-V] [-a socket] [-d] [-f config_file] [-h] [-l host_list] [-m mark_interval] [-n] [-p log_socket] [-r] [-s domain_list] [--no-klog] [--no-unixaf] [--no-forward] DESCRIPTION Syslogd reads and logs messages to the system console, log files, other machines and/or users as specified by its configuration file. The options are as follows: -V Print version number and exit. --help Display help information and exit. -d Enter debug mode. syslogd does not put itself in the background, does not fork and shows debug information. -a Specify additional sockets from that syslogd has to listen to. This is needed if you are going to let some daemon run within a chroot()'ed environment. You can spec‐ ify up to 19 additional sockets. -f, --rcfile=FILE Specify the pathname of an alternate configuration file; the default is system spe‐ cific and displayed in the help output. --rcdir=DIR Specify the pathname of an alternate configuration directory; the default is system specific and displayed in the help output. -h, --hop Enable forwarding remote messages. By default syslogd will not forward messages it receives from remote hosts. -l A colon-seperated lists of hosts which should be considered local; they are logged by their hostnames instead by their FQDN. -m, --mark=INTERVAL/fP Select the number of minutes between ``mark'' messages; the default is 20 minutes. Setting it to 0 disables timestamps. -n, --no-detach Suppress backgrounding and detachment of the daemon from its controlling terminal. -p, --socket=PATH Specify the pathname of an alternate log socket. The default is systemspecific and displayed in the help output. -r, --inet Enable to receive remote messages using an internet domain socket. The default is to not receive any messages from the network. Older version always accepted remote messages. -s A colon-seperated list of domainnames which should be stripped from the FQDNs of hosts when logging. --no-klog Do not listen to the kernel log device. This is only supported on systems which define a kernel log device, on all others this is already the default, and the option will be silently ignored. --no-unixaf Do not listen to any unix domain socket. This option overrides -p and -a. --no-forward Do not forward any messages. This overrides -h. Syslogd reads its configuration file when it starts up and whenever it receives a hangup signal. For information on the format of the configuration file, see syslog.conf(5). Syslogd reads messages from the UNIX domain socket /dev/log, from an Internet domain socket specified in /etc/services, and from the one of the special devices /dev/klog or /proc/kmsg depending on the system (to read kernel messages). In a GNU/Linux system it will not parse the System.map and use it to annotate the 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 pri‐ ority 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, /proc/kmsg The kernel log device. SEE ALSO logger(1), syslog(3), services(5), syslog.conf(5) HISTORY The syslogd command appeared in 4.3BSD.GNU inetutils June 6, 1993 GNU inetutils
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|refer to||logger(1) | services(5) | syslog(3) | syslog.conf(5)|