Ubuntu :: Change Splash Screen On An Encrypted Drive (cryptpo LUKS)?
Jan 22, 2011
I am trying to change the splash screen (Lucid 10.4) on an encrypted drive (cryptpo LUKS)
I've used to gimp to modify the png files in /lib/plymouth/themes/ubuntu-logo (both ubuntu_logo.png and ubuntu_logo16.pgn).
These changes show up when the machine is shutting down, but not when it boots (I get the same Ubuntu splash screen that allows me to enter the encryption password). I'm guessing because I'm using an encrypted drive that the plymouth theme and images are stored in an encrypted partition ....maybe /dev/sda1?
Could someone confirm this, or suggest how to change the splash screen for 10.4 if using drive encryption?
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Oct 18, 2010
I can't seem to get an encrypted partition to recognize a keyfile. It is a backup partition that I would like to keep unmounted until a cron-script runs once a week to backup my sensitive data. In order for the script to run without my assistance, I thought I'd use a keyfile to authorize the mount.
So far I've created a keyfile and have added it to the partition using "luksKeyAdd". It didn't really say it was successful, but when I do a luksdump, it shows that another key slot has been enabled, so I believe it worked. After that I created a /etc/crypttab file with the following:
Code:
backup_sdd1 /dev/sdd1 /root/backup luks
/dev/sdd1 being the backup partition, and /root/backup being the keyfile
After rebooting, I am still prompted for a password when trying to mount the encrypted partition (sdd1), and there is no device "/dev/mapper/backup_sdd1" created like I believe there should be. I haven't added any entries to fstab, as I don't want this partition to mount at boot.
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Apr 3, 2011
I am running Fedora 14 with the Gnome desktop and I have a 1 TB external hard drive that is msdos with approximately 200 gbs of data on it. I can unlock it and even read and copy files to my internal hard drive but I cannot add files to it, I use to be able to. I didn;t think i changed permissions.
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Apr 2, 2011
I recently installed OpenSUSE 11.4 64 bit with GNOME yesterday and everything is going fantastic. I like it much better than Ubuntu 10.10 64 bit Maverick Meerkat because it is much more stable, reliable, and dependable. I own a heavily modified ASUS N61JV-X2 notebook PC. I installed OpenSUSE using the LVM based method and LUKS encryption. When I turn on the power to my notebook PC, it asks me for my password to decrypt my Intel 2nd Generation 160.00 GB Solid State Drive. I expected this behavior. However, I never get to see the OpenSUSE login screen. After I type in my password to decrypt my SSD, it loads up the desktop immediately. How do I configure my OpenSUSE so that I can see the login screen so that I can select my standard user profile and enter the user password to login?
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Jul 13, 2010
I have poured over many forums and countless posts on how to do this and i cant seem to get it,i have been trying for the past 8 hrs to change the splash screen in my ubuntu 10.04 lts lucid lynx,i have installed startup manager and splash screen and have tried using those to edit my splash screen to no avail i have no idea what im doing wrong
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Jul 19, 2010
how do you change the splash screen? i.ve looked all over the internet but common sense tells me to just ask on here.
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Jul 24, 2010
I finally broke down and upgraded to Lucid since Intrepid reached "end of life", but I liked Intrepid's Ubuntu startup splash screen much better. Is there any way to get that back in Lucid?
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Apr 11, 2011
Why is so damm hard to change the splash screen in ubuntu 10.10? Like what's up with that anyways? I've tried like 10 different solutions and not a single one works, I really need this to finish my thin client, it really important that I be able to change the splash screen.
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Apr 13, 2010
I have Ubuntu 9.10 and I want to replace the splash screen with the white Ubuntu logo and the marquee progress bar with that of Xubuntu with those whirling sparkles.
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May 2, 2010
I've recently upgraded to Ubuntu 10.04 LTS. When I boot up I see this:
[URL]
in a very low resolution
At the login screen and on the desktop my resolution is 1680 x 1080
Is there a way to make the splash screen that resolution as well?
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Sep 5, 2010
I'd like to change the boot splash screen from the current 'Xubuntu' text in white on a black background.Making changes in Settings->Xfce 4 Setting Manager->Session and Startup has had no effect, and Startup Manager does not display an option to change the splash. I feel I'm missing something obvious here, but where should I be looking?
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Aug 3, 2011
I have a Dell dimension 8300 dual booting with windows 7 and ubuntu 10.10. I installed BURG on it since I didnt like the text grub style. Problem is I cant change the splash screen no matter what I do, or changes I make. My screen resolution is 1280x1024 and my video card is an Nvidia card.
Originally the splash screen was a purple screen with ubuntu 10.10 white text and some dots on it. After installing the plymouth themes, now it has changed to a blue screen with Kubuntu(?) on it... Id like to know whats wrong and how can I change the splash screen?
UPDATE: Ok I went to synaptic and saw plymouth.kubuntu-logo and kubuntu-text were installed and enabled (had litle ubuntu logo to the side). So I removed those 2 files then did a reboot. Now im back to the purple screen with ubuntu 10.10 white text and the dots but I still cant change the splash screen...
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Jul 30, 2010
I'm very much new to linux using 11.3 Gnome. I want to change my login window and splash screen. I went through lot of sites but I couldn't find the answer.
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Jan 31, 2010
how to change the boot splash screen in Ubuntu (it's using xsplash) but since openSUSE is most likely a bit different, i would like to find out how i can change it here, on openSUSE 11.2
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Jan 3, 2010
I'm just wondering - what is the best way to set up your encrypted volumes with dm_crypt and LUKS?
My understanding was that aes-lrw ws better than aes-cbc - and then I stumble upon [url] which says that LRW has some problems, and XTS is better? I dont know enough about encryption theory to be able to say anything, so i'm hoping some folks more enlightened will be able to say something here.
I was previously using aes-lrw-benbi to set up a volume. If xts is truly better - should i be using '-c aes-xts-benbi' then?
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Jun 30, 2010
I have a really tricky and may be intresting problem with a encrypted disk partition (cryptsetup luks...) which was fine until it accidentally got re-formatted by an instance of Windows 7. Most of the data on that 1TB-disk will probably still exist, only the LUKS header at the very beginning of the partition is - of course - gone.
So when I try to open the container, it gives no verbose, just the return value 234.
I scanned the whole partition for other LUKS headers with hexedit, none there. But, luckyly I have another partition which is encrypted in the exact same way with the exact same passphrase (which I remember very well!), so I had an idea: I copied the LUKS header (592 bytes) from the other LUKS encrypted partition over to the damaged partition.
When I now issue
Code:
Code:
No key available with this passphrase
Here is the command how I created the container:
Code:
How do I get the existing passphrase accepted by LUKS?
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Dec 17, 2008
I am trying to get Slackware 12.2 running on a system with two identical harddiscs using RAID-1, LVM and LUKS.
Here is what I get:
Code:
The system is still the same, however, the results of upgrading or installing 12.2 are different. The system refuses to boot. The screen messages during boot seem to suggest, that the RAID system is "seen" by the system, but the encrypted filesystem is not.
I can boot with the installation DVD, however, and
Code:
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Dec 1, 2010
In PCLinuxOS LXDE how can I change (or stop) the boot up splash screen and is there an icon (or shortcut keys) to force quit (kill) a program like this one for Ubuntu?
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Dec 16, 2009
It seems to be locked up. i cant change any settings, im familiar with kde 4.3 as ive been a kde user in ubuntu for a year or two. every single button is greyed out. i mostly have default options setup in mandriva, i just started using it.
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Feb 22, 2010
I'm trying to have a LUKS encrypted partition mounted at startup and to have GDM ask for my key so it will decrypt. Now I followed [URL] to the letter. Except for now, I have it just mounted into /mnt/cryptohome so I'm not messing with my system. My problem is the one everyone mentions in the comments, ubuntu isn't asking for the LUKS key in the X display, it's asking in the first terminal (Ctrl-Alt-F1). This will not do. I need it to ask to mount my drive before I'm even asked to login, so eventually I can encrypt my /home.
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May 27, 2010
I'm having a problem auto-mounting a new luks partition. I have crypttab and fstab entries. I already have my primary encrypted partition (root) mounting at boot (from the install), but after creating this one manually, it does not open on boot. It auto-mounts when I run the following command manually after boot: sudo luksOpen /dev/disk/by-uuid/<uuid> mycrypt
/etc/crypttab entry:
personalcrypt /dev/disk/by-uuid/a1af5b7b-db58-4690-b586-b74407795e2c none luks
/etc/fstab entry:
[code]...
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Jun 19, 2010
I wanted to reinstall Ubuntu , so I took my iso of Ubuntu desktop 10.4 LTS and followed these directions [URL] Under create usb stick and ubuntu , but when I went to boot from it after restarting, it hung for like 10 mins at the Ubuntu Splash screen. I'm not sure what is wrong , it worked fine when I installed it on windows
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Feb 1, 2016
I have two basically identical harddrives that are encrypted with LUKS containing a complete debian installation:
Code: Select allroot@x200s:/home/b# lsblk --fs
NAME FSTYPE LABEL UUID MOUNTPOINT
sda
├─sda1 ext2 0b851969-281e-4db2-8a5b-3798e801711b /boot
├─sda2
└─sda5 crypto_LUKS cfcf63ef-448a-4f72-9f58-8f7731cf3dfc
└─sda5_crypt LVM2_member 21CS3f-SQeQ-XcMr-kyDs-OPtR-egmT-HkvJAu
[Code] ....
sda is what I currently run to write this text, sdb is my former harddrive, connected via USB.
I want to access the root partition on sdb.
The problem is:
Code: Select allcryptsetup luksOpen /dev/sdb5 oldhd
Enter passphrase for /dev/sdb5:
root@x200s:/home/b# ls /dev/mapper/
control oldhd sda5_crypt x200s--vg-root x200s--vg-swap_1
root@x200s:/home/b# mount /dev/mapper/oldhd /mnt/
[b]mount: unknown filesystem type 'LVM2_member'[/b]
[Code] ..
Before all this, both sda and sdb where in the same volume group. I renamed the volume group of sdb to "oldDisk"
using
Code: Select allvgrename <UUID> oldDisk
How I can access the data on the root filesystem of my sdb..
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Jan 15, 2016
Is it better to install LUKS to raw disk (/dev/sdb) or disk partition (/dev/sdb1)? What are best LUKS options?
"cryptsetup benchmark" output
Code: Select allPBKDF2-sha1 1310720 iterations per second
PBKDF2-sha256 862315 iterations per second
PBKDF2-sha512 590414 iterations per second
[Code] ....
Is slow hash better or how to choose it? It is clear that aes-xts is best choise. Is 265 bit key good?
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Nov 8, 2009
I need to access /etc/modprobe.d on an encrypted LVM LUKS partition. I m not sure how to go about it though. Mount usually handles my mounting needs, do I need to decrypt the physical volume first? LIst of commands need would make my day.
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Aug 18, 2010
I run fedora 13 on my laptop (dual boot with Windows 7) and I just created a new partion to hold sensible data, encrypted with LUKS. I followed this tutorial for creating it.Now, everything went well and the new partition works well. But I needed something a little different from what the tutorial suggested, because I don't want the partition to be mounted on the system each time it boots, but I would (unlock and) mount it manually when I need it.
To do so I just didn't follow the Tutorial steps from 7 to 13, thinking that without the changes to crypttab and fstab the partition wouldn't be even touched by the start up process. And that's partially true: the partition isn't mapped nor mounted in the system when I boot, but the problem is that it however keeps asking for the passphrase to unlock it even if it doesn't get mounted or mapped.It just asks for it before the system loads all it's parts (udev, filesystems, etc) and I can't understand why, what it uses it for if it doesn't unlock it.So my question is: why does it ask for the passphrase to unlock luks if I haven't set crypttab and fstab to mount the partition on start up?
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Aug 30, 2010
I have encrypted a partition while installing Fedora 13, and I need to disable its automount - I will mount those manually.
But even though I commented out the corresponding line in /etc/fstab, I am still asked for the passphrase for the partition at startup.
How to completely disable this behaviour - and how to mount the partition manually afterwards?
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May 16, 2011
I need to move a LUKS encrypted partition to the end of a harddrive to expand another partition. Does anyone know how to do this?
Is it possible to do this with other partition editing programs?
Gparted doesnt support LUKS/LVM
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Apr 15, 2009
OpenSuSE 11.1 is by far the best SuSE version in a long time. It's generally up to competition or ahead of it. It's admirable, how thoughtful this system is set up, and how clean and fast it is compared to its predecessors. It ssems, that SuSE is fighting its way back to where they came from before the Novell "merger."
Having said that, it is even harder to understand, IMHO, why the installer doesn't support encrypted root partitions. Of course, there is a manual solution:
http://en.opensuse.org/Encrypted_Roo...ith_SUSE_HOWTO
However, this HOW-TO doesn't explain how to combine LUKS encryption with LVM on a RAID-1 system, as described for Slackware 12.2 here:
[url]
[url]
Is there a similar guide anywhere available for OpenSuSE 11.1?
If not: Would it be possible to do all the low-level setup work, like partitioning, setting up the logical volumes and encrypting everything, with Slackware, following the document above, and then install OpenSuSE 11.1 on that system? Would that work?
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May 20, 2010
Anyone had any experience with unlocking a LUKS encrypted root partition via ssh? It is ok to leave /boot unencrypted.
There are a few pages from google with the debians variants, archived by putting dropbear into initrd.
I like to do that with my fedora/centos remote servers, but struggle to find any resources specific to it. Anyone has any suggestions and thoughts as to what might be a suitable way forward?
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