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Re: Can I password protect individual operating system entries?

From: James Lott
Subject: Re: Can I password protect individual operating system entries?
Date: Tue, 4 Aug 2015 12:24:00 -0700
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.1.0

I think the "correct" solution for something like this would be disk encryption on the partitions/disks containing the OS you want to protect. Otherwise, someone who has access to boot into the unprotected OS (or some other protected OS) could still access the protected OS; all they would need is the proper filesystem drivers.

On 08/04/2015 10:55 AM, Andrei Borzenkov wrote:
В Tue, 04 Aug 2015 04:31:40 +0000
Seth Johnson <address@hidden> пишет:

Someone was asking me if they could password protect specific OS entries,
I.e. a password would be required to boot that OS. I did a bunch of
Googling but everything I found mentioned editing 10_Linux and the like
inside /etc/grub.d/, however the files were completely different from any
of the examples or articles I could find.

I realize I could probably edit grub.cfg but that would get overwritten
every kernel update. My friend is running Ubuntu 14.04 if it matters.

Is this still possible?
Standard grub-mkconfig scripts shipped with upstream grub do not have
support for it. Nor do I see easy way to add this support (how to
identify "specific OS entries"?) So if you need this your best bet is
to maintain grub.cfg manually.

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