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I never succeeded installing Ubuntu by choosing something else option. Because I want to change some stuff than the default ones. e.g. partition size, file system to btrfs, not making swap partition, making home partition. I just want to make two partitions: one ESP, and one encrypted luks container and NOT making a separated /boot partition. Every time I try to install in this scheme, I fail. Can anyone please guide me what should I do? Sometimes installation will fail because of error in installing of grub, and sometimes if installation successful, I don't know what to do before restart; edit crypttab, what and how to add or edit kernel initram modules (on Arch it's obvious to do what)

Thank you

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  • This is not possible. If you have LUKS partition, you need separate /boot. How should your system know what to do (e.g. boot the loader to unlock the disk)?
    – pLumo
    Oct 23, 2019 at 8:39
  • I tested this on arch and opensuse, worked without problem. As answer to your question, "grub_enable_cryptodisk" in the grub conf file will tell grub to load kernel from encrypted partition. Ubuntu installer won't let to first install grub then change it's config.
    – Pejman RZ
    Oct 23, 2019 at 8:58
  • Thanks, I never heard of it, but it seems you are right. Found a blog post from someone having success doing that for Mint pavelkogan.com/2014/05/23/luks-full-disk-encryption
    – pLumo
    Oct 23, 2019 at 9:07
  • I tested it but not successful. The main problem here is the installer is made to just expect a separated boot partition. Today encryption is a must for privacy. The only reason I don't use Ubuntu for now, is this problem.
    – Pejman RZ
    Oct 23, 2019 at 9:10
  • @pLumo if you can have a test on a VM, do this favor to me please and tell me results. I have tested again today without success. The Pavel kogan roadway. Thanks
    – Pejman RZ
    Oct 23, 2019 at 16:21

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