Hi there,
I botched an update and now I am stuck without a kernel. I have found the solution on this forum, but the problem I am having is that my Manjaro install is encrypted with LUKS, so I am not sure how to install with a USB image. Can someone help me?
boot from USB - the live system
list the partitions to find the one that your encrypted system is on
lsblk -f
open the encrypted container
sudo cryptsetup open /dev/sdXy encrypted
mount the resulting /dev/mapper/encrypted
to … /mnt for example
sudo mount /dev/mapper/encrypted /mnt
Then do:
manjaro-chroot /mnt
and install a new (or the old) kernel
observe the messages during the process
I opened the encrypted container, that was much easier than I expected.
Now I am trying to launch chroot. Do I type it exactly like you put it there, or does /mnt have to be the path of the encrypted drive? because I am having a hard time figuring out what that path is
would the path look something like /dev/dm-0 ?
when I list the partitions, this is the partition I am looking to access, but I don’t know what to type in place of ‘/dev/sdXy’
sdb
nvme0n1
├─nvme0n1p1
│ vfat FAT32 NO_LABEL
│ E288-9B1B
└─nvme0n1p2
crypto 1 21265b7a-63f5-45e9-9197-3264b5fd84e9
└─luks-21265b7a-63f5-45e9-9197-3264b5fd84e9
ext4 1.0 6f7f8357-8efd-4376-9731-020627b33685 226.1G 43% /run/media/manjaro/6f7f8357-8efd-4376-9731-020627b33685
no - it would look like what I wrote:
/dev/mapper/encrypted
IF you opened the encrypted volume the way I described
I’d suggest that you stay in the terminal - instead of having the file manager do the work for you.
Because then you end up with not knowing where to chroot to
I’m sorry - I’ll not be able to help you more - someone else might have the time. I don’t.
And I don’t have a setup where I could test and verify commands I give here.
You’ll need to come to understand the process - then it is simple.
Without understanding it’s all just as if I was speaking in riddles to you.
so to open, I would type
sudo cryptsetup open /dev/sdb encrypted
Does that make sense based on the partition?
Can you lay it out for me exactly what I would type based on what i got back from lsblk-f ? I am really quite lost
sdb
nvme0n1
├─nvme0n1p1
│ vfat FAT32 NO_LABEL
│ E288-9B1B
└─nvme0n1p2
crypto 1 21265b7a-63f5-45e9-9197-3264b5fd84e9
└─luks-21265b7a-63f5-45e9-9197-3264b5fd84e9
ext4 1.0 6f7f8357-8efd-4376-9731-020627b33685 226.1G 43%
no
/dev/sdb is a whole device, not a partition on it
But you are using a nvme - so /dev/sdXy does not make sense
In your last post:
you already opened it - through the file manager, I presume
lsblk - f
once again
…
Ok, well I really appreciate your help so far. Can I ask one more thing, and hopefully its a simple question: I think I have mounted and accessed the partition with chroot but I am not sure what to do from here, it looks like it is prompting me to type a number in. Can you tell me what to do from here?
sudo manjaro-chroot /run/media/manjaro/6f7f8357-8efd-4376-9731-020627b33685
sh-5.1#
I just don’t know what sh-5.1# means and it wants me to type something after it
it looks like you are chrooted, so rerun update again:
pacman-mirrors -f 5 && pacman -Syyu
if there are errors post the output here, if there are no errors and you are up to date, check with:
ldconfig
(this should return nothing);
then check what kernels you have installed:
mhwd-kernel -li
and reinstall them all, for example:
pacman -S linux515 linux61 linux64
if you are using nvidia, reinstall also the nvidia modules, for example:
pacman -S linux515-nvidia linux61-nvidia
if there were no errors, exit chroot:
exit
reboot
ok that worked, I am back into my system. Thank you very much both @brahma & @Nachlese for your patience and support.
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