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Full Discussion: How can I just grep one instance of a word in the file
Top Forums Shell Programming and Scripting How can I just grep one instance of a word in the file Post 302657869 by jcnewton13 on Monday 18th of June 2012 11:55:57 AM
Old 06-18-2012
Oh cool. Thats badass thanks, what if I only wanted the 4 instance. Already tried | head -4 and that displayed 4 instances and not just the forth.
 

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LEARN ABOUT DEBIAN

fcoeadm

FCOEADM(8)							  Open-FCoE Tools							FCOEADM(8)

NAME

       fcoeadm - The Open-FCoE Administration Tool

SYNOPSIS

       fcoeadm -c|--create ethX

       fcoeadm -d|--destroy ethX

       fcoeadm -r|--reset ethX

       fcoeadm -i|--interface [ethX]

       fcoeadm -S|--Scan [ethX]

       fcoeadm -t|--target [ethX]

       fcoeadm -l|--lun [ethX]

       fcoeadm -s|--stats ethX [interval]

       fcoeadm -h|--help

       fcoeadm -v|--version

DESCRIPTION

       The  fcoeadm  utility  is  the Fibre Channel over Ethernet (FCoE) management tool for the Open-FCoE project. fcoeadm may be used to create,
       destroy, and reset an FCoE instance on a given network interface. For these operations  fcoeadm	sends  a  command  to  a  running  fcoemon
       process, via a socket interface. fcoemon will then perform the requested operation.

       fcoeadm	also  provides	options  to  query  information  about	FCoE  instances,  including interface information, target information, LUN
       information, and port statistics. For much of this information, fcoeadm relies on the libhbalinux implementation of the HBA API.

OPTIONS

       -c, --create ethX
	   Creates an FCoE instance based on the specified network interface. Note that if there is not an  fcoemon  configuration  file  for  the
	   interface (/etc/fcoe/cfg-ethX, see fcoemon), then the created FCoE instance will not require DCB.

       -d, --destroy ethX
	   Destroys the FCoE instance on the specified network interface. This will not destroy FCoE instances created by fipvlan.

       -r, --reset ethX
	   Resets the FCoE instance on the specified network interface. This will not reset FCoE instances created by fipvlan.

       -i, --interface [ethX]
	   Show  information  about  the  FCoE	instance  on  the  specified  network  interface, or all FCoE instances if no network interface is
	   specified.

       -S, --Scan ethX
	   Rescan for new targets and LUNs on the provided instance. This command will not rescan any NPIV instances created  on  the  same  port.
	   This will not rescan any FCoE instance created by fipvlan.

       -t, --target [ethX]
	   Show  information  about  the  discovered  targets  associated with the FCoE instance on the specified network interface. If no network
	   interface is specified, information about discovered targets from all FCoE instances will be shown.

       -l, --lun [ethX]
	   Show detailed information about the discovered SCSI LUNs associated with the FCoE instance on the specified network	interface.  If	no
	   network interface is specified, information about SCSI LUNs from all FCoE instances will be shown.

       -s, --stats ethX [interval]
	   Show  the  statistics  (including  FC4  statistics)	of  the FCoE interface on the specified network interface. The information will be
	   display in one line on the screen per given time interval.  interval should be specified in whole integers greater than 0. It specifies
	   the time interval in the unit of seconds. If interval is not specified, the default interval is one second.

       -h, --help
	   Displays the usage message of the fcoeadm command.

       -v, --version
	   Displays the version of the fcoeadm command.

EXAMPLES

       Creates an FCoE instance on eth2.101

	   fcoeadm -c eth2.101

       Destroys the FCoE instance on eth2.101

	   fcoeadm -d eth2.101

       Resets the FCoE instance on eth2.101

	   fcoeadm -r eth2.101

       Show the information of all the adapters and their ports having FCoE instances created

	   fcoeadm -i

       Show the information of all FCoE instances on interface eth3.

	   fcoeadm -i eth3

       Show  the  information  of  all	the  discovered targets from all the ports having FCoE instances created (they may be on different adapter
       cards). A brief listing of discovered LUNs are listed after the target they are associated with, if any

	   fcoeadm -t

       Show the information of all the discovered targets from a given port (eth3) having FCoE instance created. A  brief  listing  of	discovered
       LUNs are listed after each target they are associated with, if any

	   fcoeadm -t eth3

       Show the detailed information of all the LUNs discovered on all FCoE connections

	   fcoeadm -l

       Show the detailed information of all the LUNs associated with a specific interface

	   fcoeadm -l eth3.101

       Show  the  statistics  information  of  a  specific port eth3 having FCoE instances created. The statistics are displayed one line per time
       interval. The default interval is one second if an interval is not specified

	   fcoeadm -s eth3

	   fcoeadm -s eth3 3

SEE ALSO

       fcoemon(8)

SUPPORT

       fcoeadm is part of the fcoe-utils package, maintained through the Open-FCoE project. Resources for both developers and users can  be  found
       at the Open-FCoE website http://open-fcoe.org/

Open-FCoE							    10/18/2011								FCOEADM(8)
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