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Linux 2.6 - man page for bootlogd (linux section 8)

BOOTLOGD(8)		       Linux System Administrator's Manual		      BOOTLOGD(8)

       bootlogd - record boot messages

       /sbin/bootlogd [-c] [-d] [-r] [-s] [-v] [ -l logfile ] [ -p pidfile ]

       Bootlogd  runs in the background and copies all strings sent to the /dev/console device to
       a logfile. If the logfile is not accessible, the messages will be kept in memory until  it

       -d     Do not fork and run in the background.

       -c     Attempt  to  write  to  the  logfile  even  if it does not yet exist.  Without this
	      option, bootlogd will wait for the logfile to appear before attempting to write  to
	      it.  This behavior prevents bootlogd from creating logfiles under mount points.

       -r     If  there  is  an existing logfile called logfile rename it to logfile~ unless log-
	      file~ already exists.

       -s     Ensure that the data is written to the file  after  each	line  by  calling  fdata-
	      sync(3).	This will slow down a fsck(8) process running in parallel.

       -v     Show version.

       -l logfile
	      Log to this logfile. The default is /var/log/boot.

       -p pidfile
	      Put process-id in this file. The default is no pidfile.

       Bootlogd  works	by redirecting the console output from the console device.  (Consequently
       bootlogd requires PTY support in the kernel configuration.)  It copies that output to  the
       real  console device and to a log file.	There is no standard way of ascertaining the real
       console device if you have a new-style /dev/console device (major 5, minor 1) so  bootlogd
       parses  the kernel command line looking for console=... lines and deduces the real console
       device from that.  If that syntax is ever changed by the kernel, or a console type is used
       that bootlogd does not know about then bootlogd will not work.

       Miquel van Smoorenburg, miquels@cistron.nl


					   Jul 21, 2003 			      BOOTLOGD(8)

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