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Network Computing Platforms
66
- VMWare Player
Here, we take the Fedora 20 x86_64 operation system for instance to explain 3 virtualization
respectively for parallel port pass through. Use the procedures listed below for step-by-step
instructions separately based on your case.
In case of QEMU/KVM or Xen, please use the following steps as a guideline to implement the
virtualization :
(1) Make sure that the Guest OS has been installed.
(2) Add the following 4 lines into the xml file (for example, add to
/etc/libvirt/qemu/<yourvirtualmachine>.xml in linux KVM):
<parallel type=’dev’>
<source path=’/dev/parport0’/>
<target port=’0’/>
</parallel>
(3) Open a terminal in the Guest OS and then issue the following commands to install Linux
Kernel drivers.
# modprobe parport
# modprobe parport_pc
# modprobe ppdev
(4) Check that whether the /dev/parport0 exists or not. You may not find proper /dev/parport0
in the device list, please reconfirm the setup of xml file in the Guest OS.
(5) Reboot the Guest OS.
Note: It is necessary for you to install “insmod parport.ko”, “parport_pc.ko” and “ppdev.ko”
Linux Kernel drivers in virtualization environment before executing the “ppdev_test” testing
program.
In case of VMWare Player, please use the following steps as a guideline to implement the
virtualization:
(1) Make sure that the Guest OS has been installed.
(2) To set up the parallel port pass through, please enter VMWare Player’s --> Virtual Machine
Setting --
> VMWare Player’s setting page to select /dev/parport0 as parallel port device.
(3) Open a terminal in the Guest OS and then issue the following commands to install Linux
Kernel drivers.
# modprobe parport
# modprobe parport_pc
# modprobe ppdev