Ok, i've found a quick solution using VirtualMachine.
1. make a Virtual Hard Disk of your usb using this code: "# VBoxManage internalcommands createrawvmdk -filename [path]/usb.vmdk -rawdisk /dev/sdXY"
2. Install the system using This Wiki.
3. For maintaining the system use This onethis is ok, and i can use my usb every where in every computer. thanks every one )
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