Debian :: Grub Does Not Work - Encrypted LVM
Jun 3, 2015
I have a problem with my debian install. I 've got a laptop with 3 OS:
First I installed windows.
Then I installed ubuntu 15.04 in an encrypted partition, and another partition with /boot (/dev/sda6) created when I installed Ubuntu.
And, finally I installed Debian 8 in an encrypted LVM (/dev/sda8) with 3 partitions (/, /home and swap), and a /boot (/dev/sda7) partition created when I installed Debian.
Needless to say that both /boot partitions are not encrypted
Previously I had a similar configuration with ubuntu 14.04 and Debian wheezy.
The problem is that I can't start the system by using the Debian grub (/dev/sda7). So Ihave to boot the system using Ubuntu's grub (/dev/sa6). The second part of the problem is that when I boot Debian using /dev/sda6 (ubuntu's grub) , plymouth does not work.
I tried purging grub and reinstalling it again with the ubuntu partition mounted, and it did not work.
I did not have this problem with my previous configuration (with wheezy and xubuntu 14.04) ...
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Apr 30, 2011
My partitions are set up as follows:
[code]...
I installed Ubuntu successfully using rescue mode on the alternate cd, and let Ubuntu use an internal boot and home. At the final stage grub refused to install to the MBR, and then refused to install to my /boot partition on /dev/sda2. It said: No boot loader has been installed, either because you chose not to or because your specific architecture doesn't support a boot loader yet. You will need to boot manually with the /vmlinuz kernel on partition /dev/mapper/volumegroup-natty and root=/dev/mapper/volumegroup-natty passed as a kernel argument. Returning to debian, I did a update-grub, which detects Windows and Ubuntu:
[code]...
How do I make grub decrypt the LUKS partition before attempting to load the Ubuntu kernel?
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Nov 4, 2010
I'm running Debian Squeeze AMD64 with full disk encryption and LVM. After reinstalling Windows 7 I lost GRUB from the MBR. I managed to install GRUB after following this guide and using an Ubuntu 10.04 graphical installation disc, but I only get to a GRUB CLI when booting, so I can't actually choose an OS there.
I tried following this guide but I'm stuck after "# Mount the partitions to /mnt/root" and don't know what to do.
Does anyone know how I can fix GRUB so I get to choose between Debian and Windows 7 there?
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Oct 16, 2015
My laptop setup is:
sda1: W7
sda2: FAT16
sda3: /boot
sda4: encrypted LVM with debian (everything besides /boot)
now I've re-installed W7 so grub was overwritten. I've tried the procedure which worked for me previously:booting with the netinst usb in rescue mode, choosing a root partition to mount, using grub-install to reinstall the grub:
Code: Select allmount /dev/sda3 /boot
grub-install /dev/sda
Now I'm on Jessie (stable), and this time this fails, and I am able to mount only sda3.grub-install doesn't exit so I'm assuming it has been replaced by `grub-installer'. also '/boot' doesnt exist so I created it manually.
Code: Select allmount /dev/sda3 /boot
grub-installer /dev/sda
The latter fails with
Code: Select all/dev/sda/proc not a directory
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Mar 26, 2010
i am running lenny. and at some point my grub started exibiting a strange problem. Grub will not display all the kernels that it finds, it only displays 2 of them out of the 5 grub was finding.the system is working and boots just fine.
I attempted to install GRUB2 which went ok. since my system booted ok i removed GRUB that operation was sucessful and it deleted all the grub files that were not needed.but my system is still booting into grub with the same 2 kernels.Could someone tell me what i can do to either get grub or grub2 to work?
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Jul 19, 2011
I need to re-install grub bootloader, as it was overwritten. The problem is the encrypted partition does not show up using boot-repair on the live_cd. I installed lvm2 and mounted them, but cannot seem to make any progress passed that. I was following this guide.
Here is my partitioning scheme:
partition1 - windows7
partition2 -extended
...partition3 - boot
...partition4 - crypto(lvm, ubuntu 11.04)
[Code]....
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Jun 18, 2011
I had F15 with hard drive encryption.I am now trying to move this hard drive to another laptop and install Windows.Even after complete formatting, the grub> still remains on this hard drive, which perhaps means that MBR is not wiped out. (Eventually Windows install fails)How can I format this HD as fresh, with single NTFS partition?have tried dd on linux, as well has MiniTool partition wizard on windows for formatting
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Jul 27, 2010
I am running OpenSUSE 11.3 GNOME, and I recently reinstalled Windows, and it overwrote GRUB. I only have an Ubuntu LiveCD (I installed with the OpenSUSE DVD), how do I get GRUB back? Note that the Ubuntu LiveCD doesn't recognize the LVM Encrypted partition, so I can't mount it.
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Mar 6, 2010
During a repair windows did overwrite my grub MBR for it's own bootloader. Now how do I get back to my encrypted ubuntu?
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Jul 26, 2014
I have a VIA Epia M 5000 system with 2 western digital 1TB NAS SATA drives connected through SATA<->IDE adapter. Everything installs and writes as expected except... grub. It never boots, after a message 'Grub loading' I always get 'error: no such disk'. I've tried numerous times and has been attemping to fix the issue for the past 2 days.
/dev/sda
0.999TB 0xfd linux raid autodetect partition
1GB 0xfd linux raid autodetect, logical partition
/dev/sdb exactly the same
0.999TB 0xfd linux raid autodetect partition
1GB 0xfd linux raid autodetect
/dev/md0
RAID1 of /dev/sda1 and /dev/sdb1
marked as ext4, boot point /
/dev/md1
RAID1 of /dev/sda5 and /dev/sdb5
marked as swap
update-grub2 in rescue mode generates grub.cfg with SET root=/mduuid/UUID_OF_SDA1
then after that there's search --no-floppy etc --set root=/mduuid/UUID_OF_MD0
I'm writing this from memory but simply the two uuids are different. Is this correct? I get those UUIDs to compare from blkid. All partitions are marked as bootable. grub-install /dev/sda and grub-install /dev/sdb produces no errors. grub-install /dev/md0 does not work, complains about superblocks or something similar.
Grub.cfg file contains insmod raid mdraid1x and similar lines, so that should be ok. Grub drops to rescue mode with message error: no such disk. Not device, but disk. Google finds many results for 'no such device' error, but I am not getting that error. 'ls' produces
(hd0) (hd0,msdos1) (hd1) (hd1,msdos1) ls ANY_VALID_PATH produces empty newline being printed, nothing more.
setting prefixes manually does not work, with error message 'error: file not found'. ls (hd0,msdos1)/boot/grub also produces empty line being printed. Rescue CD and auto-assemble of md0 and md1 works, the files are there, everything okay, except grub.
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Mar 26, 2016
I wrote a GRUB multi-boot configuration so I can boot multiple distributions and have storage space on one 32GB flash drive.
set imgdevpath="/dev/disk/by-label/multiboot"
Code: Select allmenuentry 'Debian Jessie amd64' {
set isofile='/iso/debian-8.0.0-amd64-DVD-1.iso'
loopback loop $isofile
linux (loop)/install.amd/vmlinuz
initrd (loop)/install.amd/initrd.gz
}
This works in virt-manager when I boot the physical usb device a virtual disk with a usb bus and it works flawlessly, but when I plug it into a physical machine the cdrom detects fails to mount /dev/sdb1 as fstype=iso9660.
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Apr 11, 2011
I'm guessing that a file is created as a loopback device and encrypted (using LUKS?)
What is the mechanism used at user login to decrypt and mount the encrypted $HOME and to re-encrypt it at logout?
I confess an ulterior motive here - SWMBO has recently got her hands on an Acer Aspire one running Linpus Lite and there's absolutely no security on it
Personally I'd dump Linpus and put on openSUSE but it's her box and she likes the simple interface that Acer have supplied so maybe I can set up the encrypted $HOME as YaST does for openSUSE if I can find out what to do.
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Jun 30, 2011
I was given an Integral AES 256 bit encrypted usb drive. It isn't compatible with Linux which is annoying but i was wondering if i could format it and use it without the software? I have plugged it in and it comes up as a CD drive. I checked for it in Gparted but it doesn't show up there. Does anyone know how i could get the drive formatted? Just plugged in into a windows computer to see if i could format it there. Set it up but there is no option to format it upon right click of the drive.
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Jul 23, 2011
Why doesn't encrypted WLAN communication work for me? I've got an HP Probook 6555b with Ubuntu 11.04 32-bit. When I set my WLAN router to unencrypted I'm able to connect. But if I choose WPA-PSK-TKIP or WPA2-AES or WPA-PSK & WPA2-PSK I can't connect. Ubuntu prompts me to enter my encryption key. I enter it. It runs for a while and then prompts me again. The little icon at the top right of the screen next to the speaker symbol is where I can see it trying to connect.
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Jun 4, 2011
So I have 2 ide hdds but whenever they are both connected, grub gets stuck at GRUB loading stage 1.5. how can I resolve this problem?
both are Maxtors with ext4 fs. primary is 20 gb and secondary 80 gb.
Jumpers are set to cable select.
Boot order in bios is correct. (primary first, secondary isn't in the list at all)
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Mar 4, 2011
I have 2 hard disks. sda,sdb
In sda, I have 4 partitions, and I have windows 7 in one of the extended partitions [not in the primary partition].
In sdb, I have 3 partitions. 2 for storage, and 1 10GB drive for Ubuntu. Again, Ubuntu is not of a primary partition.
I had ubuntu 10.04 running on that for a long time. However, I wanted to reinstall ubuntu and use 10.10.This is what I did EXACTLY:Booted from Ubuntu install CD
Chose advanced istall
Selected sdb3 for Ubuntu
I installed GRUB2 on the SAME partition as Ubuntu aka sdb3 Installed then rebooted
I can boot into Ubuntu fine, but whenever I select Windows 7 bootloader from the GRUB menu, the screen goes black, and my PC reboots.
Boot Info:
Code:
Boot Info Script 0.55 dated February 15th, 2010 [code]....
ls: reading directory sda6/: Input/output error
I have tried the testdisk/update-grub method, but it didn't work.
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Mar 7, 2011
I installed Ubuntu 10.10 64 on my laptop with the entire 500gb setup as encrypted LVM. This has worked well for several months with no problems. During this time i have been backing up the data to an external usb drive (1tb) on a regular basis. The usb drive was not encrypted. So, I thought it would be a good idea to encrypt the backup drive too. I wiped out the backup drive and set it up as one large encrypted lvm and mbr. This seemed to work fine but immediately afterwards I decided to erase that and set it up as encrypted lvm guid instead of mbr. I couldn't delete it while logged into my desktop so i decided to do it from a bootable gparted usb stick. In gparted i erased the 1TB backup drive once again and planned on setting it up the way I wanted once I was logged back into my ubuntu desktop. Now I cant boot into my desktop with the following errors:
cryptsetup: evms_activate is not available b0d) does not begin with /dev/mapper/
Then after waiting for a few minutes I get an error followed by (initramfs)
When booting from a live version of ubuntu the 250MB boot patition is recognized and 500 partion is there but it is labeled as empty/unused.
Also, I did choose to use the exact same passphrase as what is used on the main bootable drive when I set up the encrypted partition on the external 1TB drive.
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Jan 5, 2010
I've just started using ubuntu one. However, some of the files I store on there are sensitive so I encrypt them using seahorse. Right click, encrypt etc etc. My question is, is there a way to automatically get the encrypt process to delete the un-encrypted file when it makes the new encrypted copy?
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Sep 5, 2010
The system disk on my lenny 64b system is using LVM, encryptions and XFS (/boot is ext2). I'm looking forward to turning it into old-style, ext4 unencrypted partitions (and thinking about btrfs in the future. Despite having used Debian for many years now, I haven't really ever tried a true migration and all of the guides out there are concerned with turning an unecrypted to encrypted. My basic idea was to use the installer and set up a minimal new system on a fresh disk, then migrate all of my stuff from the old system.
I have some doubts though
1- is this the easiest way to get the task done?
2- what do I have to copy from the current system /etc? and most importantly, what I should *not* copy?
3- how do I replicate the current package configuration on the new system without falling into a dependency hell?
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Oct 26, 2010
I've installed Squeeze on a USB stick, but can't get it to boot. I've had this problem before and gave up last time. I installed on an encrypted LVM - here is the grub.cfg
#
# DO NOT EDIT THIS FILE
#
# It is automatically generated by /usr/sbin/grub-mkconfig using templates
# from /etc/grub.d and settings from /etc/default/grub
[Code]...
I added rootdelay=10 and switched root from hd1,1 to hd0,0 as suggested elsewhere. Still no go, i jsut get dumped into ramfs shell with an error message saying that /dev/mapper/crunchbang-root doesn't exist.
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Dec 28, 2014
I have buyed a dvd, but I can not play it. I've installed libdvdcss2 and libdvdread4 already. However, when I start Totem, it doesn't work. It says: "Could not read DVD. This may be because the DVD is encrypted and a DVD decryption library is not installed". I use debian stable (wheezy).
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Feb 14, 2010
I have XP and win 7. I want to triple boot with Debian.When I install, grub finds win 7 and XP and says everything should be fine, but then when I boot, only debian appears.This was fixed by doing update-grub2 after logging in.Now, I have win 7 bootloader as an option. However, when I boot into XP, and then reboot, grub disappers. he screen just says welcome to grub and then a blinking cursor.
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Aug 23, 2015
I have a system which i installed on usb flash (doesn't matter why). The system has 3 partitions: "boot", "/" and "swap". "Swap" and "/" are encrypted by LUKS. "Swap" is encrypted by random key, "/" - by passphrase.
I created this system only to make a liveDVD from it (not liveUSB).
To achieve this goal i installed program called "Systemback" (fork of Remastersys).
Links:
[URL] ....
[URL] ....
So i pushed the button 'Create live system' (or Live system create, don't remember exactly) and configured it to automatically convert .*sblive to .*iso
Program made it's work and i burned image in DVD.
But when i launch it i have this:
The last picture - is when i trying to startliveDVD with installed LVM2. No difference except one message.
I went to freenode and ask some questions. Somebody told me that maybe the problem is in LVM. But LVM was already installed, so i installed LVM2. No result.
How can i make the system that is encrypted by LUKS work from DVD? And is it really possible? Maybe systemback doesn't support feature to make live-image of encrypted system?
The system is Debian 8.1.0
I did the same with nonencrypted system - result is succesfull, liveDVD works.
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Apr 2, 2016
tcplay [URL] ....
Want to make a 1gb volume on dev/sdb usb memory stick.
Wrote
Code: Select allsudo tcplay --create --device=/dev/sdb --pbkdf-prf=SHA512 --cipher=TWOFISH-256-XTS,AES-256-XTS
Command has to be sudo?
Got
Code: Select allPassphrase:
Repeat passphrase:
Summary of actions:
- Completely erase *EVERYTHING* on /dev/sdb
- Create volume on /dev/sdb
Are you sure you want to proceed? (y/n)
I do not want the usb stick to be erased. What do I do, to not erase the usb stick? If you create a volume on the system hdd, it should not erase the system.
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Apr 24, 2011
I have let the debian installer set up with separate partions forrootusrvarhometmpIt ended up with a huge home partition and little place for the others.So I wanted to give some of home's space to the others and didlvreduce on homelvextend on the others.Following some info on the net it tells you toe2fsck -f partition1 followed by aresize2fs partition1But when I try to fsck the reduced home partition I got the following error:The filesystem size (according to the superblock) is 73113600 blocksThe physical size of the device is 20447332 blocksEither the superblock or the partition table is likely to be corrupt!Abort? yesIs there any way to save this?
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Nov 30, 2014
I want to install debian 7.7 to a laptop with encrypted LVM, but some how i can't install inside the LVM a separate /home and swap partition. Graphic Installer says i cannot change anymore after i made a encrypted LVM. When i make the separate partitions before making an LVM, i can encrypt them but i have to enter for every partition my passphrase. How I can create a LVM with /, /home and swap without entering three times my passphrase.
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Mar 23, 2015
After my NVIDIA card died I decided it was time to buy an AMD card again (R9 270X), but I didn't think AMD drivers were such a pain in Linux as people said. Of course, in some distros anyway. On Arch, for example, there's no official release because Arch's developers would have to hold Xorg in order to make a closed-source driver available, because AMD's pace isn't in pair with Linux. So in order to install AMD's drivers on Arch I must rely on some guy's unnoficial repositories, but that isn't the whole problem. Even though I'm cool with adding repos and downgrading Xorg, I'm not cool with it not working for a lot of apps, so that's where I decided to try a few distros. Manjaro is a no-go because it installs Flash as default. openSUSE although is a very good distro, is a complete mess when it comes to repositories, specially multimedia ones. Ubuntu/Mint are also a no-go, Ubuntu because after 12.04 they have a spyware by default, and Mint because it contains non-free stuff by default.
So here I come! I ran Debian in the past for a long time (aside from a breaf period last year) and it was lovely, I could easily set up a custom encrypted install, but now I don't remember how to, and it's killing me. I don't like how the installer doesn't show the partitions size as they actually are, and I don't like how the automated encrypted LVM setup doesn't let me chose the encryption algorithm or the timeframe between each passphrase attempt. That's why I must create my install, and here's what I used to do on Arch (the part that really matters), converted to what I use on Debian:
Code: Select all# modprobe dm-mod
(create one 1GB partition for /boot, unencrypted ; create another big 930 GB formatted as "8e" - LVM - on dev/sda2)
Code: Select all# fdisk /dev/sda
(chose my ciphers and iter time)
Code: Select all# cryptsetup -c twofish-xts-plain64 -y-s 512 --iter-time 5000 luksFormat /dev/sda2
(open the luks container on "sda2_crypt")
[Code].....
After this is done, I go to the "partition disks" page where I select each partition/volume to it's correct destination. I then proceed to installing the base system, configuring apt, and all that. Now, before I install Grub I used to execute the following commands on shell:
Code: Select all # nano /etc/crypttab
I used to put something there, but I don't remember what exactly. It's been a long time since I used Debian for long! But here's what I put there:
Code: Select allsda2_crypt /dev/mapper/sda2_crypt none luks
Then I procceeded to instal syslinux (I REALLY don't like GRUB)
Code: Select all# chroot /target
# apt-get install syslinux
But I get the following error:
E: cannot write log (Is /dev/pts mounted?) - posix_openpt (2: No such file or directory).
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May 16, 2011
I installed an old version on accident, I used an encrypted LVM. When I removed the old debian and started the installation of the new version, the encrypted partition could not be used to install, and the drive itself was creating an error message when I tried to mount the installation there. This is probably a vague explanation of what is happening, but does anyone know how to remove these encrypted LVM partitions?
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May 2, 2015
I'm trying to install Debian on a USB to create an encrypted partition, I get an error message saying I need to install missing firmware rtl_nic rtl8168d-2.fw.So I download that file and try again this time I get an error " There was a problem reading data from CD Rom" .I not using a CD Rom I put debian on the USB as an ISO file first using Unebutin then tried Rufus.
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Mar 25, 2011
I followed the steps on [URL]... pted-dvds/ and was able to play all my encrypted dvds except one. Only the menu screen appears when I open this dvd with Movie Player and then the error reads "Could not read from resource"
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