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syslogd

Langue: en

Version: 328191 (ubuntu - 08/07/09)

Section: 8 (Commandes administrateur)


BSD mandoc
BSD 4.2

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 specify up to 19 additional sockets.
-f, --rcfile=FILE
Specify the pathname of an alternate configuration file; the default is system specific 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.conf5.

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 priority code, which should be a preceding decimal number in angle braces, for example, `Aq 5. ' This priority code should map into the priorities defined in the include file Aq Pa 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.conf5

HISTORY

The syslogd command appeared in BSD 4.3
> dvips -o $@ $<
Faut faire gffe de pas te couper avec ton truc, t'as mis des ciseaux ($<)
partout :))
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