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I got an old machine with 16.04. The SSD is split in two partitions, one for root and one for home. The home partition is encrypted. Not sure of the details, I just used the wizard when 16.04 was installed.

Can I use a 18.04 boot-able USB to install Ubuntu in the root partition (wipe it) and use the encrypted home partition I already have? Say I use the same username and password for the new install, would that work?

givanse
  • 601

1 Answers1

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Based on @Organic Marble comment/answer, what I did was to flash a USB with Ubuntu 17.10 and used that to reinstall the OS.

In the installation wizard I selected:

  • Something else (when deciding what to do with the disk)
  • Selected my Root partition to be reformatted and mounted as an Ext4
  • Selected my existing encrypted home partition to be mounted as an Ext4, no reformat
  • When asked to set up a username and password I used the same pair I was already using

It worked perfectly, no surprises, no pain.

Once 17.10 is installed, you can do the upgrade to 18.04, if you still feel like it.

givanse
  • 601