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I just got a new LG Gram 17" laptop and have shrunk the Windows partition to 50 GB. (To my surprise, the system already uses 45 GB of it!) Anyway, I would love to keep the ability to boot into native Windows. I have successfully installed Ubuntu Mate on another partition and dual boot works. However, I want my data on the Linux partition to be encrypted, and it seems that now the preferred method for Linux is encrypting the entire drive. Is there a not-too-complex way to encrypt my data that will leave the Windows partitions (not only the "C" drive but the other little partitions it uses) untouched?

Keith Bennett
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  • Hello, if you want to encrypt a partition, [here](https://askubuntu.com/questions/366749/enable-disk-encryption-after-installation)'s already an answer. The encryption for individual files are much simple and fail-safe method. For example, in the case, you want to rescue the OS and don't want to read your document to other people. GNU Privacy Guard GNUPG aka `gpg` is traditional and trustworthy. – Sadaharu Wakisaka Apr 18 '23 at 01:35
  • Please clarify your specific problem or provide additional details to highlight exactly what you need. As it's currently written, it's hard to tell exactly what you're asking. – Community Apr 30 '23 at 09:45
  • @SadaharuWakisaka Thank you. I was aware that encryption of the home folder was possible, but read that this is no longer the preferred method of ensuring privacy. So I was looking for a way to encrypt the entire partition. Encrypting only the home directory leaves the rest of the system (especially /tmp) unencrypted. There may be other reasons as well, I don't know. – Keith Bennett May 01 '23 at 14:15
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    @KeithBennett, sounds professional. I am happy that you found the way. `cryptsetup – Sadaharu Wakisaka May 02 '23 at 01:23
  • @SadaharuWakisaka Thanks. Does this mean I could boot from a live Linux DVD, create the partition, run cryptsetup on it, and then run the Ubuntu installation on that partition? – Keith Bennett May 03 '23 at 04:28
  • @KeithBennett, Yes sir. It is the simplest and easiest way, I believe. Details: https://ubuntuhandbook.org/index.php/2021/06/encrypt-system-disk-installing-ubuntu/ – Sadaharu Wakisaka May 04 '23 at 01:32

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