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SYSLOG-NG(8)							  SYSLOG-NG(8)

NAME
       syslog-ng - logs system messages

SYNOPSIS
       NOTE:  This file is not up to date. Please refer to the html documenta‐
       tion.

       syslog-ng [ -dFsvV ] [ -f <config-filename> ] [ -p <pid-filename>  ]  [
       -C <chroot-dir> ] [ -u <user> ] [ -g <group> ]

DESCRIPTION
       syslog-ng  reads	 and  logs  messages to the system console, log files,
       other machines and/or users as specified by its configuration file.

       The configuration file is read at startup and is reread	after  receipt
       of  a  hangup (HUP) signal.  When reloading the configuration file, all
       destination files are closed and	 reopened  as  appropriate.  For  more
       information about the configuration file, see syslog-ng.conf(5).

       Typically  messages  are	 sent  to  syslog-ng  via a Unix domain socket
       (/dev/log) or via UDP, to port 514 or to whatever syslog/udp is defined
       to  be  in  /etc/services.   To	receieve  messages  from  the  kernel,
       /dev/klog is opened for reading.

       Messages sent to syslog-ng should be an entire line, prefixed by a pri‐
       ority  code  in	between	 '<' and '>'.  Definititions of the recognised
       values can be found in the include file <sys/syslog.h>.

       syslog-ng can be configured to pass messages on	to  other  syslog-ng's
       and  when doing so, it sends the message on with the priority as a pre‐
       fix.

       It is not necessary to terminate a message with a line feed or carriage
       return.

OPTIONS
       -C  <directory>, --chroot=<directory>
	      Chroot to directory.

       -d, --debug
	      Set  "debug mode".  Prints out various messages to aid in debug‐
	      ging and stops it from becoming a daemon.	 To activate debugging
	      in the yacc parser, either use this option twice or combine with
	      -v.

       -F, --foreground
	      Don't fork into background.

       -f  <filename>, --cfgfile=<filename>
	      Instead of reading the normal /etc/syslog-ng.conf file for  con‐
	      figuration information, use the filename given instead.

       -g  <group>, --group=<group>
	      Switch to group.

       -p  <filename>, --pidfile=<filename>
	      Write  the  current  PID	information  to	 the  specified	 file.
	      Defaults to /var/run/syslog-ng.pid.

       -s, --syntax-only
	      Only read and parse the configuration file.  See also the option
	      -f.

       -u  <user>, --group=<user>
	      Switch to user.

       -v, --verbose
	      Enable  verbose mode.  Process will not become a daemon.	Prints
	      out fewer messages, compared to -d.

       -V, --version
	      Print the version number.

DIAGNOSTICS
       It is expected that syslog-ng will run as root, however, if not running
       on  a  priviledged port of it it owned its own log directories, etc, it
       might run as a non-root user.

SEE ALSO
       syslog-ng.conf(5), logger(1), syslog(2), syslog(3),  services(5),  sys‐
       log.conf(5), klogd(8), syslogd(8), sysklogd(8)

FILES
       /etc/syslog-ng.conf
	      Configuration  file  for	syslog-ng.   See syslog-ng.conf(5) for
	      more information.

       /var/run/syslog-ng.pid
	      The file containing the process id of syslog-ng.

BUGS
       If you find any, please send email to the  syslog-ng  mailing  list  at
       syslog-ng@lists.balabit.hu

								  SYSLOG-NG(8)

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