Debian :: Grub And Boot Console On Wrong Screen?
Nov 16, 2010
I've recently installed a new graphic card after my old one started to go belly-up and it works nicely in X with twinview. The card have one VGA, one DVI and one HDMI. I have the monitor connected to the VGA and my projector connected to the DVI. However, when I boot the monitor (VGA) don't receive a signal. It is dead until X comes up (and when X comes up it does exactly what I want, it uses the VGA monitor as the main screen).
I had this setup on my old card to and it worked fine. Grub and boot console showed on both screens and I never had to tweak anything to make it do this.
how to enable the VGA outlet, either have boot enabled or only the VGA enabled (either way is fine by me but I really want to see Grub and the boot console on startup).
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May 17, 2011
My Squeeze installation has the horrific 80x25 line display, and I cannot stand it. I know it can do better, because the grub screen is very tiny. I ran dpkg-reconfigure console-setup, but the offerings there aren't much better. I don't know what happened to the good ol' days of grub when all you had to do was pass vga=791 to the kernel to get a decent console size... but it seems they are gone.
I don't really understand this new v2 grub... I don't know why it was necessary to change how it was configured, when it seemed to work so exquisitely. how I would accomplish the functional equivalent of passing vga=791 (1024x768@75hz) to the kernel in grub
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Jan 21, 2010
We've just installed debian xfce lxde....after all this time to get it....when we boot up to the login screen it keeps saying wrong uder name or password
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Mar 18, 2010
I was installing some packages yesterday, I think one of them was an update for grub. (I'm using grub 2). When I rebooted, the console text was in green, not the usual white. (using gfxpayload=800x600 i.e. console is in graphics mode). I first thought maybe it was some kind of St. Patrick's day joke, but now I am getting tired of it. How do I set the color scheme back to normal?
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Oct 24, 2010
I've got a HD screen: 1920x1080p. Grub (1.98 ) has the resolution: 800x600 and Plymouth also. It is irritating me that plymouth shows a very ugly purple splash screen in a very low resolution (800x600). How can I fix that? I've got an ATI Radeon HD 4670, and use the drivers from ATI...
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Apr 11, 2010
i was working on ubuntu when the machine suddenly shutdown. when i restarted it, i keep getting a sh:grub console instead of the logon screen. dunno what to do.
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Feb 1, 2010
I have a laptop with Karmic Koala in dual boot with Lenny. I need to reinstall Lenny however if I do that I will loose Karmic Koala in the grub screen because of the new version of grub that comes with Karmic Koala. Which means that I will need to reinstall Karmic Koala after Lenny so that they both appear in the grub screen at startup. If I reinstall only Lenny is it possible to use Gparted to change the boot back to Karmic Koala and have them both in the grub screen again? Or is there another way around it?
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Jun 6, 2011
I just updated my server from Ubuntu 8.04 to 10.04 and now it cannot go past grub, at boot time, it would "give up waiting for root device", asking me to check whether I gave the right "root=..." or if I should increase the "rootdelay=..." in the command line argument and end up with the initramfs.
The machine is a Dell Poweredge 2900 with a HW RAID controller (I hope that should not matter, but just in case...). I tried to follow the instructions there to make sure grub is setup correctly, but without any luck.
Below is the output from the bootinfoscript (while running on the LiveCD). Anybody has any idea what can be the problem or what I could do to debug this ? I am running out of ideas.
[Code]...
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Jun 14, 2011
It used to be with (old) grub you could hit a function key and add a runlevel option to boot a console, but I don't know how to do this here, wanting not to edit the grub config file, as seems the only apparent option: I'm trying to boot into SimplyMepis where there is no rescue menu option, so need the prompt?
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Jul 24, 2010
A while ago I moved partitions from sda1 to sda6 because the original partition wasnt big enough. So when I update grub (now grub 2) it resets everything to sda1 and I've no idea how its doing it. Does anyone know where grub 2 gets the default partition from or does it just select sda1 automatically?
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Nov 29, 2014
Basically I had windows 8.1 running on my fujitsu lifebook A532 laptop and wanted to dual boot kali linux alongside it, however upon installing the linux it deleted EVERYTHING! on my laptop, the grub bootloader only showed kali linux to choose from...
I then decided kali linux is too complicated for me and decided to delete everything and reinstall windows 8 again however I was surprised that my bios screen looks diffrent also I can not edit the boot sequence.
If I press f2 or f12 it takes me to a screen with a tab named Boot menu and its written on it debian and every time I press enter on it it takes me back to this same screen...
I can not boot from cd or usb!
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Jun 25, 2015
I recently installed another Linux distro, Kali Linux, alongside my Debian 8 and discovered to my chagrin that my computer boots to Kali's grub rather than to the Debian grub. I had spent some time customizing Debian's grub and would hate to see that effort go to waste. Is there a way I can get my computer to boot to Debian's grub instead? I tried deleting Kali's boot partition with gparted but that did not seem to do anything.
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Oct 13, 2010
I've just installed Fedora (F13) for the first time, on a new HDD, to give myself a dual-boot system. So currently I have:
So, at the appropriate stage in the install menu, there is an option for where to install GRUB, and a drop-down to choose which drive is the primary BIOS boot drive.
However, in both cases, no other drive except my new sdc is visible. So, I can install GRUB to MBR of sdc, or to first sector of boot partition - but no option to put it to my primary boot drive MBR on sda.
Likewise, in the GRUB configuration page, if I go to Add another OS, the only option it gives me is my new Fedora install. It doesn't list the Vista OS on sda at all.
The result is that I can boot to either OS by changing the boot drive priority in BIOS.
I guess my question is this:
- is this expected behaviour from the installer, meaning that I'll need to configure GRUB manually somehow? (gulp ) or
- did I do something wrong in the install process? or
- is this some weird bug manifesting itself?
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Mar 8, 2010
I have tried this with many different configurations, however, I believe that the scroll bar that shows the progress of the boot is preventing it from changing successfully. I don't know how to switch it off. X is not installed. No gui, only tui.
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Feb 21, 2015
I'm trying to manually boot (from the GRUB console) into a system set up as follows: crypt partition -> LVM -> root LV, and I'm having some trouble figuring out how to do this from the GRUB console.
I have successfully manually booted a system which is set up as just LVM -> VG -> root LV. All I have to do is load the LVM module. In GRUB, that partition shows up as (hd0,gpt5). Once I load the GRUB LVM module, I can see the logical volume within the LVM as well. (My volume group name is "caesar", and the single logical volume is named "root".)
Code: Select allgrub> ls
... (hd0,gpt5) ...
grub> insmod lvm
grub> ls
... (lvm/caesar-root) ...
It's fairly simple to manually boot:
Code: Select allgrub> set root=(lvm/caesar-root)
grub> linux /vmlinuz root=/dev/mapper/caesar-root
grub> initrd /initrd.img
grub> boot
Where I am having difficulty is in trying to insert crypt before LVM. I can set up such a scheme, and put a minimal installation on it, without issues. It's booting into it upon reboot that I can't figure out. Once I load the GRUB crypto, cryptodisk and luks modules, I can mount the crypto partition:
Code: Select allgrub> ls
... (hd0,gpt5) ...
grub> insmod crypto
grub> insmod cryptodisk
grub> insmod luks
grub> cryptomount (hd0,gpt5)
Attempting to decrypt master key...
Enter passphrase for hd0,gpt5 (<long hex string here>): <type my password>
Slot 0 opened
grub> ls
... (crypto0) ...
At this point, GRUB sees the crypto partition as (crypto0). But the GRUB LVM module doesn't see "inside" of the crypto partition, so I don't see the root logical volume within the LVM listed; all I see is (crypto0).
Code: Select allgrub> insmod lvm
grub> ls
... (crypt0) ...
Setting it as root doesn't work:
Code: Select allgrub> set root=(crypto0)
grub> ls /
error: disk `crypto0' not found.
So, How do I get GRUB to "see" LVM inside the crypto partition?
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Nov 21, 2009
since i have installed the nvidia drivers i have lost the graphical boot and just had a bar at the bottom of the screen instead. i tried to get the graphical screen back by adding vga=795 to my /boot/grub/grub.conf but when i rebooted not only did i not get the graphical boot or the toolbar at bottom.
i got list of all the drivers and services it is starting with ok next to it. i have also since doing this lost the bit when restarting or shutting down getting the words restarting or shutting down and just get blank screen with flashing cursor. i removed the vga=795 and i still get the list of drivers/services loading.
how do i get the quiet option back. i have checked /boot/grub/grub.conf and it has the quiet in it.i have also tried running update-grub but get message command not found. i have attached the grub.conf file
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Feb 26, 2010
I've been running openSuse 11.2 for a while on my notebook.Today I turned it off at work and came home. When I tried to turn it on, it boots, shows a black screen written 'GRUB' and then NOTHING. It doesn't complete the boot process.
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Feb 5, 2011
So this also happened to me when trying to install an old version of Ubuntu (hardy I believe). I have a Sun Netra X1 that I am trying to install the latest stable Debian Sparc64 port on. I'm doing a TFTP boot, and am able to get the kernel to load. However, once the kernel loads the installer, the screen gets garbled (attached is a screenshot from my console session) This server has no graphics card, so I have to install using the serial console. I don't recall having this issue when I installed the last stable version. Any ideas what's going on or how to fix it? I even passed the option "DEBIAN_FRONTEND=text" to the kernel, but it didn't seem to do anything.
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Feb 18, 2011
After upgrading my Debian from Lenny to Squeeze a few things don't work properly. Most disturbing is that after one switch from graphic screen (x, Gnome) to the virtual consoles this can be observed:
1) The virtual consoles show only a small font. It doesn't change when I use 'dpkg-reconfigure console-setup'. Otherwise everything seems to function properly, but then
2) I return to x (with Alt+F7), and if I again want to reach the virtual consoles (with Alt+String+F3, this is a laptop) the screens are persistently black; nothing works, except Alt+F7, which allows me to go back to the x-screen. In this graphic screen it is possible to use the consoles without problem.
3) I have some trouble shutting-down the computer. The screen disappears, everything goes black, but the computer goes on and does not shut down until I press the power-button, forcing the shut-down process. If I press the keys which would bring the computer to a halt through the virtual consoles, I can bring it to stop allthough the screen remains black throughout the whole process. I press: Alt+Strg+F3 to reach the consoles, there 'root + password', Enter, halt, Enter. Nothing at all appears on the screen, but after a while the computer stops.
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Nov 5, 2010
I'm trying to do is protect the computer against housemates. The standard procedure I do with Lenny:
1. Password protect BIOS.
2. In BIOS, always boot from hard drive. Disable booting from any other device such as USB or CD-ROM.
3. Password protect Grub (v1) using the "password --md5 $1$9MuaA/$5TDLgvmcEiCWNr5W9VaMK1" syntax in my menu.lst file.
With the above precautions in place, [I think] the only way to gain root access to the system is to take the case lid off and proceed to do stuff physically (like set jumpers and/or take out the hard drive). Am I correct? My reasoning for this is, the computer boots -> must boot from HD -> must load Grub -> must go to default menu item since others are protected, and cannot command prompt in Grub without password.
Anyhow, In Squeeze, I was a bit disappointed to find out, after doing a bit of Google-research, that Grub v2 (which is standard on Squeeze now) does not easily support password protecting the Grub menu. Am I correct? Will this issue perhaps be addressed in the Squeeze final release? Is this feature dumb anyways because the Grub password is of no use (i.e. my paragraph above is complete horseradish)?
Another thing I would like to do is change the console font and size back to something more "normal" or "classic", not some crazy tiny font that's only found in totally bleeding edge Linux distrubutions <gasp!>. I found that the Squeeze console font (e.g. when I type Ctrl+Alt+F1) is wicked tiny. I wanna change it to "normal". Grub v2 password and console font config?
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Mar 13, 2010
I know that these forums aren't M$ support forums, but any mention of Linux and open source there just ends up in "don't use Linux"-type replies, so i figured i should ask it here. I have a quad-boot setup (Win7x64-Win7x64-K9.10x64-K9.10x64). I am in the process of migrating this setup to another (bigger) HDD. The Win7 system partitions were cloned using 3rd paty imaging software, Linux system partitions were cloned directly (cat /dev/sda5 > /dev/sdb5), data partitions were freshly created and populated with files copied from old partitions.
As the hard drive is bigger than previous one, i decided to add a little more space to Win7 system partitions. So when creating new partitions, i left 5GB unallocated space between them in order to grow the partitions later. I cloned the new partitions, ran the chkdsk with all options on to make sure the resulting partition survived the migration, then checked if it is readable under Linux (it was), used KPartitioner to grow the partition to the new size, again booted into Win7 Recovery, ran chkdsk with all options on, removed bootloader and made a new one using bcdboot.
Now, my Linuxes boot OK (there was some wankery involved but nothing too serious), but neither of my two Win7 can. I checked the bootloader, fiddled with different settings (e.g. removed setting the root by UUID), even tried to manually boot it from commandline - to no avail. After "chainloader +1" and "boot" it just does nothing. No error messages, nothing at all - the console screen doesn't even clear.
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Apr 13, 2010
I'm always getting a blank console screen after booting a 2.6.32-trunk-amd64 kernel in squeeze. I still can read the line "Loading, please wait ..." in the display for a second - then it's completely black until X windows is starting. When I try switching from the X console to another virtual console (by pressing Ctrl-Alt-F1 e. g.), the complete system freezes. I have to hard reboot then.When I boot the previous 2.6.32-3-amd64 kernel instead, everything is fine as expected, though.There's a line "GRUB_GFXMODE=1024x768x16@60" in /etc/default/grub as well as a line "set gfxpayload=keep" in /etc/grub.d/00_header. So the problem might be framebuffer related in any way. Any ideas what could be tried?The system is a Latitude E6500 with a Mobile 4 Series Chipset Integrated Graphics Controller
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Jan 13, 2011
This only started after the recent updates which included a lot of sysv stuff in Squeeze. I'm not talking the Gnome or Xwindows consoles, I'm talking the full-on type you get when you do the CTL-ALT-F2 type of console. before those updates, I had no trouble. Now I can't get back into the gui by pressing CTL-ALT-F7 as usual. All i get is just a black screen. I do have the nvidia proprietary driver installed using DKMS, and I am running the latest (I think) liquorix kernel.
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Aug 17, 2011
Squeeze with lxde. Using network-manager-gnome to manage wifi. I have to disconnect from a nearby unprotected AP to connect to my WPA2 AP. It has stored the pw for my AP; I don't have to type it in when I connect, but it always wants to hit the unprotected Motorola AP by default.
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Dec 14, 2010
i just upgraded to the latest nvidia 8 series driver, i downloaded from the nvidia site. After i installed the driver, i reboot and it booted into the console login screen with no GUI. how do i get back into the GUI.
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Feb 15, 2011
I have my X11 setup configured to rotate 90s counterclockwise for a portrait monitor. But when the system turns on, it's in the framebuffer console which is set to landscape mode. Is there a way to set it so that even the console is rotated in portrait mode? I'd like to do this automatically.
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Feb 26, 2011
I'm using a dell latitude d630 with an nvidia quadro 135M card. I'm able to suspend without any problems while running the X server. If I try to suspend on console without the X server running, the laptop wakes up to a blank screen. The screen remains blank and my only resort is to type sudo halt (with the screen off).I'm using the proprietary nvidia driver with the nvidia-kernel package on testing.
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Aug 21, 2015
I have a dell poweredge server. In the bios, it has the option to redirect the screen to the serial port. There is also the check box "redirection after boot" which from what I understand will let me to continue to use the serial port attached to a terminal as if it was the main VGA monitor with a keyboard attached.
When I start the machine up, everything goes as expected, I see the output from the bios on my serial terminal, until debian actually starts booting. It all goes blank. If i attach a monitor i can see it is indeed booted and waiting at the debian login prompt. What should I do from here? I was under the impression that if i enabled "console redirection after boot" that the os would be none the wiser and i could continue using the serial console as the main screen as needed, but that does not seem to be the case.
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Jul 13, 2010
I have console only on my machine and I have two problems with it:
1) I can't find how to enable programmer dvorak keyboard layout.
2) All the console settings don't stay after reboot, I have to do dpkg-reconfigure console-setup again. But after I do that I loose russian layout that I normally can switch to with Alt+Shift.
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Dec 11, 2010
I'm having a strange behaviour with GRUB, and I don't know much about it. The problem is that GRUB is looking at the wrong place when it starts. I have a /boot partition (/dev/sda1) with everything for booting and grub. This gets updated when I update, say, the kernel, grub, etc. But I also have a /backups partition (/dev/sda4) with a directory /backups/boot/grub that is a copy of /boot/grub. The /backups/boot directory only has the /backups/boot/grub directory, not the kernels, etc.
If I delete the /backups/boot/grub directory, I get a "grub>" console at startup, and system doesn't boot. SO: Why is grub looking at /backups/boot/grub instead of /boot/grub and how can I fix this? This is my grub.conf, identical in both directories, and both pointing to /boot=/dev/sda1=(hd0,0):
[Code]...
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