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I installed Ubuntu-Server in Oracle Virtual Machine and it failed grub install step. At the end of install it gave me a message:

You need to manually boot linux
/vmlinuz kernel on partition /dev/sda1 and
root=/dev/sda1 passed as kernel argument

I really wanna know how to boot Linux without a boot loader.

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migrated from stackoverflow.com Aug 29 '13 at 20:12

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Boot using a live cd, mount the root partition. install grub –  hek2mgl Aug 29 '13 at 18:26

1 Answer 1

up vote 0 down vote accepted

To manually boot linux, you still need to have a bootloader. Normally you just press enter or wait for a timeout, and the default image loads. But you can specify both a kernel image to load and some parameters.

At the grub prompt, type 'vmlinuz root=/dev/sda1' (not sure about the leading / on vmlinuz). The term "manual" means you have to type this stuff manually, rather than letting it automatically boot.

However, since the grub install step failed, it is unclear whether you will ever see a prompt.

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Thanks for the answer. It helped. –  Xk0nSid Aug 31 '13 at 13:20

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