Question

1

Can I use a Dual Boot and VM with the same installation?

rated 0 times [ 1] [ 0] / answers: 1 / hits: 5016 / 2 Years ago, thu, march 17, 2022, 8:51:49

I have been running Ubuntu inside a VM for the past 6 months or so, but I am struggling to get great performance out of it. My goal is to be able to setup a dual boot of Windows and Ubuntu, so that when I really need performance I can just boot into Ubuntu, but for other times when I need to use Windows, I can still pop open the boot instance of Ubuntu in a VM.

Is this possible? I have done this in Parallels for Mac, but I'm not aware of anything that will allow me to do this in Windows.

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aclavadoug

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answered 2 Years ago rstride · Accepted Answer

It turns out that Kris Harper's post has the exact answer to the question.

The menu.lst file was part of the original GRUB. Ubuntu now uses GRUB2 by default, so the config file has changed to /boot/grub.cfg.

Here is a rather long primer about GRUB2. Scroll down to section 5 to read about editing the GRUB config file. Note that you shouldn't edit this file directly in normal circumstances. Instead, editing /etc/default/grub is the preferred way to prevent overwriting your changes on update.

Here's another primer on editing the GRUB2 config file. It's not as technical.