It sounds like you need to update-grub
Assuming your grub configurations haven't changed since the original
build, you're probably looking for something like this:
https://askubuntu.com/questions/145241/how-do-i-run-update-grub-from-a-livecd
Hugh
On 22/05/16 00:14, Aaron wrote:
Hello,
I would really appreciate any help to make my system boot properly
again. I can manually mount my encrypted partitions and they unlock
correctly, so I'm pretty sure that I haven't lost my data, but
something that used to work in the Ubuntu 16.04 boot process to unlock
and boot the partitions must have broken, as whenever I boot now,
typing my password no longer unlocks and boots Ubuntu. Instead it says:
“cryptsetup: cryptsetup failed, bad password or options?”
If I press escape and get to the console output, it says:
/scripts/local-top/cryptroot: line 1: /sbin/cryptsetup: not found over
and over.
In case the history is relevant, I recently had to reinstall Windows
on a dual-boot machine. That meant that I had to use boot repair to
get my Grub back. I now have what seems to be a working Grub, but when
I boot into Ubuntu and enter my password into the “Please unlock disk
sda6_crypt”, it fails as described.
http://paste.ubuntu.com/16443425/
was the output of the boot-repair reconfiguration of Grub.
I booted in with a live CD and chrooted into my installation. I did an
apt-get update and apt-get upgrade and I see the following in the output:
Processing triggers for initramfs-tools (0.122ubuntu8) ...
update-initramfs: Generating /boot/initrd.img-4.4.0-22-generic
device-mapper: table ioctl on sda6_crypt failed: No such device or
address
Command failed
cryptsetup: WARNING: failed to determine cipher modules to load for
sda6_crypt
I asked for help here:
https://answers.launchpad.net/ubuntu/+source/cryptsetup/+question/293750
but nobody has had any ideas so far.
Any ideas would be greatly, greatly appreciated.
Kind regards,
Aaron
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