Triple booting the Asus T100TA: Windows, Lubuntu and encrypted Linux Mint


As the title suggests, this post is about triple booting the Asus T100TA with Windows, Lubuntu and an encrypted Linux Mint.

This was made possible with thanks to John Well’s blog post on installing Ubuntu onto the T100TA, a custom encryption setup tutorial, a full disk encryption tutorial, as well as documentation from elsewhere such as Ubuntu and Debian help pages.

Here you will find instructions on how to successfully have three functioning operating systems, information on setting up custom encryption on the T100TA, as well as the usual issues.

This information is only relevant to you if you are looking to triple boot, encrypt your Linux system on the T100 series, searching for updates in regards to installing Linux, and/or differences when installing an Xcfe desktop such as Lubuntu. You are otherwise best referring to John Well’s post on how to install Ubuntu dual booting with Windows – if this is ultimately what you are looking to do.

In case you’re wondering why on Earth would you want to triple boot an Asus T100 additionally with an encrypted system? It’s a good question, with a few good answers:

  1. First and foremost, the T100TA-H1 comes with an additional 500g HDD keyboard dock (therefore located under the keyboard) – as well as the 32g SSD. See here for more details. Its hardware and specifications are otherwise that of the T100TA, but with some real hard drive space.
  2. Whilst there is still no onboard keyboard support for cryptsetup, therefore no simple way to unlock a LUKS encryption without a keyboard, a 500g disk located under the keyboard of this machine means that you would only be using this OS with a keyboard. Therefore encryption makes sense for the security of this ‘docked-only’ operating system.
  3. Having an un-encrypted Linux based system, in this case Lubuntu, installed on the 32g SSD is necessary to in order to use Linux on the transformer book when undocked. Not to mention a lightweight desktop is a good idea when partitioning an already small disk (32g).

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