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Full Discussion: Help about parse the variable
Top Forums Shell Programming and Scripting Help about parse the variable Post 302745383 by yanglei_fage on Monday 17th of December 2012 08:03:12 AM
Old 12-17-2012
Quote:
Originally Posted by jim mcnamara
You are getting an error from the command itself - you are trying to set up an emulated device that is already set up. I think you are misusing the command itself, which I know very little about.
NO, becasue I derectly use below cmd which print by echo "$QEMU_CMD" it works


Code:
qemu-system-x86_64 -smp 2 -m 512 -net nic,macaddr=52:54:00:65:43:21 -net tap,script=/etc/qemu-ifup -hda /boot/guest_raw.img  -kernel /boot/bzImage -append "root=/dev/hda rw console=ttyS0,115200 ip=dhcp " -nographic

 

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LEARN ABOUT DEBIAN

qemubuilder

qemubuilder(8)							     pbuilder							    qemubuilder(8)

NAME

       qemubuilder - a pbuilder wrapper for qemu.

SYNOPSIS

       qemubuilder [commands] [options]

DESCRIPTION

       qemubuilder Executes the specified pbuilder operation with qemu

COMMANDS

       Most commands imitate pbuilder, see pbuilder manual for details.

       --create

	      Create the base.qemu image.

       --update

	      Update the base.qemu image.

       --build .dsc-file

	      Build a package given a .dsc file

       --login

	      Start a session within the base.qemu.

       --execute

	      Execute a command within the base.qemu.

       --dumpconfig

	      dump configuration information.

       --arch-diskdevice sd/hd

	      specify whether disk device inside the virtual machine is called /dev/sda or /dev/hda. The possible value is 'sd' or 'hd'.

       --smp 2

	      The option passed to SMP.

OPTIONS

       Most options are the same as pbuilder, except for the following which are handled specially.

       SMP 2

	      The SMP option for qemu.

	      I don't think I can support bind-mounts in qemu.

	      Documentation here should be updated according to what's defined in parameter.c, but it isn't.

CONFIGURATION FILES

       qemubuilder reads the following configuration files per default.

       /usr/share/pbuilder/pbuilderrc
	      Application default, not to be changed.

       /etc/pbuilderrc
	      System-wide default.

       ~/.pbuilderrc
	      User default

       anything specified with --configfile option
	      Additional configuration at runtime.

CONFIGURATION FILE OPTIONS

       The possible configuration options are as follows.  Others are ignored.

       DISTRIBUTION=distribution

       BUILDRESULT=directory

       BUILDPLACE=directory

       BASEPATH=path

       MIRRORSITE=http://mirror

       KERNEL_IMAGE=vmlinuz
	      Linux kernel to use.

       INITRD=initrd
	      initrd to use.

       ARCHITECTURE=arch

	      The target architecture.

	      You can also use ARCH=arch for compatibility with 0.60 or older.

       MEMORY_MEGS=64
	      memory size to use in qemu session, in MB.

       ARCH_DISKDEVICE=hd

	      The architecture-specific disk device specifier. Most arches use sd these days.  The only exceptions were i386 and amd64, which used
	      to use hd.

EXAMPLES

       qemubuilder --create
	      Create a base.qemu image.

       qemubuilder --update
	      Update the base.qemu image.

       qemubuilder --build test_0.1.dsc
	      Build the package specified in dsc file, with the base.qemu image.

       pdebuild --pbuilder qemubuilder
	      Run qemubuilder --build against the current directory.  The current directory should be an extracted Debian  source  package  direc-
	      tory.

	      Edit /etc/pbuilderrc to have PDEBUILD_PBUILDER=qemubuilder to make this the default behavior for pdebuild.

       qemubuilder --create --distribution sid --basepath /var/cache/pbuilder/base-test.qemu
	      Create a base.qemu image with the path /var/cache/pbuilder/base-test.qemu and distribution sid.

       Example pbuilderrc for i386

	      KERNEL_IMAGE=vmlinuz-2.6.18-4-k7
	      INITRD=initrd.img-2.6.18-4-k7
	      ARCHITECTURE=i386
	      BASEPATH=/home/dancer/tmp/base-i386.qemu
	      MEMORY_MEGS=64

	      Note. INITRD may or may not be required for your system.	Debian Installer
	      initrd may or may not work depending on which one you choose, use the
	      one from an installed system.

       CAVEATS

	      Note that for mirror specification, http://localhost/debian/ usually
	      doesn't work, it will be searching for files on the virtual machine
	      itself, not the host OS.

AUTHOR

       Junichi Uekawa (dancer@debian.org)

SEE ALSO

       /usr/share/doc/pbuilder/pbuilder-doc.html, pbuilder (8), pdebuild (1)

pbuilder							    2008 Aug 10 						    qemubuilder(8)
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