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查看“UbuntuHelp:RescueDiskHowto”的源代码
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{{From|https://help.ubuntu.com/community/RescueDiskHowto}} {{Languages|UbuntuHelp:RescueDiskHowto}} Note: This guide is broken, sorry... Ubuntu chose to make IDE support a kernel module rather than builtin, so using the existing kernel will not work. I'm not presently aware of a workaround that doesn't involve recompiling the kernel. If you know of a way to use initrd to overcome this limitation (and stay under 1.44MB), please edit. === Creating an Ubuntu boot disk === Making a boot disk is a good precautionary tool. If you can't boot up, it becomes essential (bad kernel install, another OS wipes out grub, etc...) This is NOT a full recovery disk. For that, google for `tomsrtbt`. === Required items === You will need: * A blank or unused floppy disk === Finding the kernel === 1) Open a terminal (Applications > System Tools > Terminal). 2) Type: <pre><nowiki> ls /lib/modules </nowiki></pre> 3) This will list several kernel possibilities. Make note of the one you want, for example: `2.6.8.1-3-386` 4) Insert the floppy. 5) Type (edit after `vmlinuz-` to match the kernel you chose): <pre><nowiki> mkboot /boot/vmlinuz-2.6.8.1-3-386 </nowiki></pre> 6) Reboot and test the boot floppy. === Troubleshooting === Make sure the floppy is unmounted before attempting to make the boot disk (or between attempts if it fails). Running mkboot as root (or sudo) will attempt to make a lilo boot disk, however on my system this existed with a fatal error. === See also === * [http://www.gnu.org/software/ddrescue/ddrescue.html ddrescue]. ---- [[category:CategoryRescueAndCloning]] [[category:UbuntuHelp]]
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