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NETDUMP-SERVER(8)			 System Programs			NETDUMP-SERVER(8)

       netdump-server - handle crash dumps over the network

       netdump-server [--port portnumber]
		[--concurrent number]
		[--pidfile path]
		[--help] [--usage]

       Listens to the network for clients that crashes and uses the netdump protocol to recieve a
       memory dump and a stack trace. The memory dump and oops message are  stored  in	a  times-
       tamped directory in /var/crash.	The server can also run scripts when some events happen.

       --port portnumber
	      Specifies  the  IP port number for the netdump server to listen to.  The default is

       --concurrent number
	      You can limit the amount of concurrent dumps being done at any one  time.  If  more
	      clients  than the specified maximum connects at one time the last ones will just be
	      logged and then rebooted.

       --pidfile path
	      Store a pidfile.	The default service uses /var/run/ttywatch.pid.  The  default  is
	      not to write a pidfile.

	      ttywatch should background itself and run as a daemon.

       netdump-server --daemon
       This  launches  the  netdump-server  and  puts it in the background, listening for crashed

       Exit status is 0 for a clean exit and non-0 for a non-clean exit.

	      A configuration file read by netdump-server on startup. It is a  "key=value"  style
	      file.  Currently	it  supports  the options: port, max_concurrent_dumps, daemon and

	      An init script to start a default system installation of netdump-server.	 This  is
	      normally turned off by default; use the command
	      /sbin/chkconfig netdump-server on
	      to enable the netdump-server service.

	      The  main  directory  where  the crash dump files are stored. Each dump is put in a
	      subdirectory named with the ip of the crashed machine and the date and time of  the

	      This  directory  can  contain  scripts that are run at various times.  They all get
	      passed the ip of the crashing machine as the first argument, and	each  one  except
	      netdump-start  gets the directory that the dump is written into as the second argu-

	      netdump-start - This is called when a client connects to the server to tell it that
	      it  has  just started the netdump client. This normally means that the machine just
	      booted up.

	      netdump-crash - This is run when a client reports  that  it  has	crashed.   If  it
	      returns  a  non-zero  value the dump request will be ignored and the client will be
	      told to reboot immediately

	      netdump-nospace - This is run when there is not enough diskspace for  the  dump  of
	      the  crashed  machine.  If  this script exits with a non-zero return value netdump-
	      server will try once again (but only once) before  giving  up  the  dump.  If  this
	      script  exits with a zero return value, netdump-server will reboot the client with-
	      out performing a dump.

	      netdump-reboot - This is run when netdump-server is finished with a client  and  is
	      about to tell the client to reboot itself.


       Report any bugs you find to http://bugzilla.redhat.com/bugzilla

       Alexander Larsson <alexl@redhat.com>

Linux					   14 Feb 2002				NETDUMP-SERVER(8)
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