Thursday 26 July 2018

Can Bitlocker be used in a dual boot system with Windows on one drive, Linux on another?


My workplace allows for remote logins to the company network, with certain prerequisites for securing a computer before making the connection, one of which is that Windows must be used to make the connection, and that Bitlocker must be used to secure the physical hard drive on which Windows is installed.


I am not being asked to set up my home computer for this, but I thought it might be a good idea. I am planning to purchase a new computer which comes with Windows 7 pre-installed, to install Ubuntu Linux on a separate hard drive, and then to set that hard drive as the first to boot. That way GRUB2 will allow booting into either operating system, and each operating system is independent of the other, each ignoring the other's hard drive. This is how my current computer is set up.


My question is whether I can encrypt the Windows 7 hard drive with Bitlocker in such a setup, without interfering with Linux or with GRUB2, and if I can, how best to go about it.



Answer



If the new computer does not have a Trusted Platform Module, it should work just fine without any special setup procedures. Get the new computer, get Linux installed and dual boot working, then enable Bitlocker and encrypt the Windows drive.


I've got a similar configuration that works just fine, but I have separate partitions for Windows and Linux on the same drive.


It's still doable with a TPM, but it's not as straightforward.


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