Debian :: Install A New Kernel From Recovery Mode?
Nov 16, 2010
After a large update of software I can nolonger open Squeeze. I get past the grub screen however before the gdm starts up the screen goes blank and stays that way. I have only one kernel showing on the grub screen.
I tried in Recovery Mode: Ctrl+Alt +F keys with effect and startx returns a blank screen, this is why I though to try loading another kernel to see if that helps. I'm using a Acer Laptop.
My question is: Is it possible while in Recovery Mode to load/install another kernel os that when I get back to the grub screen I have another kernel to try to boot into?
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Feb 18, 2010
I have a 8.04 x64 server installation that is receiving a kernel panic on boot no matter which kernel I choose even recovery mode.
[ 27.738620] raid1: raid set md0 active with 1 out of 2 mirrors
Done.
Begin: Running /scripts/local-premount ...
kinit: name_to_dev_t(/dev/disk/by-uuid/c224854e-37bd-491a-b895-48e8bf07fe00) = md1(9,1)
kinit: trying to resume from /dev/disk/bby-uuid/c224854e-37bd-491a-b895-48e8bf07fe00
[ 31.665733] Attempting maual resume
kinit: No resume image, doing normal boot...
Done.
[ 31.717461] kjournald starting. Commit interval 5 seconds
[ 31.717471] EXT3-fs: mounted filesystem with ordered data mode.
Begin: Running /scripts/local-bottom ...
Done.
Done.
Begin: Running /scripts/init-bottom ...
Done.
init: Error parsing configuration: No such file or directory
[ 32.064009] Kernel panic - not syncing: Attempted to kill init!
I have built a new server, now I am trying to restore my db from mysql. I have a backup that is out dated, I was hoping there was a way to copy the files over and have them work on the new installation. I can boot the server with the installation cd using recovery mode, I can get to the hdd and mount a smbfs share from the new server. I have tried to cp the files retaining the permissions and get a permission denied error, but if I copy without retaining the perms they copy just fine and do not work.
I have setup the new server with very close to the same version of all software. I have built a new instance of my service using all of the same users and passwords. I then backed up the new db and moved it over and attempted to copy the old db over. I did not copy it straight to the mysql folder as I did not share that folder out. Any other ideas to get this db recovered? What about getting my old server to run again just long enough to get a mysql dump?
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Aug 18, 2010
I've got a, as it seems to me, strange problem.I've inadvertently deleted my user from the group admin so I'm in the same situation of a lot of other users (read a lot of messages about it).My problem is that when restarted in recovery mode there is no way I can choose the 'drop to the root shell' or similar in the menu.The menu appears for a second and then I've got an empty screen. If I press a key I've been requested for a username and password that of course is not what I need.
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Nov 5, 2015
My previously running debian system recently started failing with systemd failure messages as some services are being started. It never completes. I can log into recovery mode.
I added systemd.log_target=kmsg systemd.log_level=debug into my grub parameters.
After I do that all that I see scrolling down the page on boot are:
systemd-journald[36] /dev/kmsg buffer overrun, some messages lost
and the occasional
systemd[1] Looping too fast Throttling execution a little
Is there a way that I can boot without systemd using sysvinit?
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Oct 14, 2014
I have added to Debian Wheezy testing repositories. After a restart there is no desktop anymore just the wallpaper picture is visible but no desktop pop-ups.
When I want to install the desktop through recovery mode, I get an error message that it "can't fetch...repos". How I can repair /etc/apt/sources.list through recovery mode?
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Apr 25, 2010
So I have been messing around with the new 10.04 and I managed to screw it up. When I started to log off, I closed the lid to my laptop so it would hibernate, but instead the screen went black and I could only see the cursor. It stayed like that for several minutes so I shut it down manually. When I booted it up again, it froze on the splash/loading screen and I haven't been able to boot it since. I've tried to boot in recovery mode, but I think my campus internet interferes with the downloading of the necessary files from the internet. Is there any way to boot a recovery mode from the install disc? Or am I SOL?
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Jan 18, 2010
i am not able to start gnome desktop though most gnome applications work in icewm and xfce4 newly installed. the system config edit button i cannot understand what keys where to edit? how do we reinstall gnome fully? by the way my system is
intel 845 mother board[gigabyte]
LG Studioworks 520Si monitor.
250 80 Gb disks
512mb mem
LG dvd writer
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Nov 18, 2010
I attempted to install Catalyst 10.11 for my ATI HD 2600XT and the system now only displays lines and a large block of pixels where the mouse would go. CTRL-ALT-F1 kills the system and does not provide a command prompt. This is a single installation, not dual-boot, but there is no Press Esc to access the Grub menu during startup so I cannot choose safe mode. I attempted to get into Recovery mode using the flash drive that I used to install the system and it tells me there is no Recovery kernel (I used the 64-bit Desktop installer, not alternative). Does anyone know an alternative to get into the Grub menu other than ESC during bootup? Alternatively, do I need to download the 64-bit Alternative ISO and create a new boot disk with it so I can access Recovery mode? Is there something else I'm not thinking of?
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Dec 7, 2010
I accidentally chose the "recovery mode" and now i dont know what to do. What commands i have to enter to go back to normal ubuntu mode with graphic etc?
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Apr 28, 2011
I have squeeze installed on the old hardware DELL GX260.Howto disable completely kernel-mode-setting (KMS) on squeeze?I've tried to add /etc/default/grub:
Code:
GRUB_CMDLINE_LINUX_DEFAULT="quiet nomodeset"
and change in /etc/modprobe.d/i915-kms.conf:
[code].....
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May 1, 2010
How do I get int recovery mode in Ubuntu 10.04?
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Jun 17, 2010
ok so i have been haviung the same problem for a while now and it is starting to **** me off, with every distribution of ubuntu i am getting thuis stupid message when i log in it is ionoly every once i a while that i get it but saince i have upgraded to 220.04 cannot fix it. i could fix it befor pretty easily, the probklem is when i get t o the login screen i get this generic login menu whne i attept to login i get this message somethiung like power management is not installed correctly. like i said b4 it was easy to fix, all i would do is to go to the ubuntu recovery thing, which is apparently not available ion 10.04 it does not evn give me a choice which to boot how do i get to recover mode in ubuntu 10.04?
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May 4, 2010
recovering a partial upgrade to Lucid.
4 core Xeon , was running 64 bit 9.10.
Upgrading over the weekend, but it failed, and suggested running dpkg-reconfigure -a
I couldn't launch any terminal/xterm windows, and couldn't login via ssh (kicked me out with xmalloc failure) or through a virtual console (showed garbled characters)
So I had to reboot.
Now the boot process -- I've tried recovery mode for all othe kernels I've got installed, but all fail in the same way:
Code:
Begin: Starting AppArmor profiles...
bash: xmalloc: ../bash/locale.c:73: cannot allotate 225469542417 bytes (0 bytes allocated)
Failure: AppArmor profiles failed to load.
[Code]....
It looks like it might be a libc problem. At any rate, I'd like to get into a recovery console to restart the update.
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May 22, 2010
I run 9.10 from a live usb with persistece, and got /etc/sudoers awfully messed up. now i'm told to fix in through 'recovery mode', but i don't think live usb has one. is that true? what about my sudoers? is there another way to fix it?
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Jul 19, 2010
Afraid I'm an utter newbie. I'm using 10.04 64 bit. I only noticed this after I tried to install the NVIDIA driver and all my ubuntu os'es blackscreened after restart. Because I couldn't even access recovery mode, I ended up reinstalling ubuntu, overwriting the old root.I thought the problem was due to the driver, but it's even now persisting. I can run the terminal (within X?) but if I try ctl alt <F1-6>, the screen just freezes until I do ctl alt F7. Furthermore, recovery mode still leaves a black screen after the initial loading text. I need it to work before I attempt reinstalling the NVIDIA drivers again, as I don't want to reinstall the OS and all the programs.
Sometimes it feels like I can do stuff in recovery mode, like Ctl Alt Delete or sudo shutdown, but sometimes not. Not sure if this is related, but grub also lists windows vista and windows recovery as the opposite they should be (I thought my windows was completely screwed until I tried windows recovery).
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Nov 21, 2010
I have a HP mini 2133 with Ubuntu 10.04 NBR installed, but because the CMOS battery went flat and the date on the BIOS got reset to 1980, I now get a failure starting the machine (Superblock failure: Last mount time is in the future). I've already googled on this error, and the general advise seems to be "run fschk and let it complete", but my question is...I don't get a grub screen come up when Ubuntu boots, and Contrl/Alt/F* doesn't bring me to any login windows. So how do I interrupt the startup, and get to a login window before I get the mount error.
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Mar 31, 2011
I messed up my video drivers and now can't get into recovery mode. Pressing the shift key isn't working. All that happens is the splash screen appears in faded looking colors and then fades to white.
I've got an ASUS N61 laptop with an ATI Radeon 5730 graphics card. I just upgraded to 10.10 from 10.4 and was trying to install the open source video drivers. I must have messed something up and can't get to the terminal now.
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Apr 6, 2011
I'm having a huge problem right now and I could use some help deciphering what's wrong.I can't get my system to boot (see signature) and even the recovery mode is buggered. henever I try to boot, all I get is a flashing underscore. This is the same for both the normal and recovery modes Kernels. I've run the boot info script from a live cd and I've attached it to this post.
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Jul 22, 2011
Ubuntu cannot boot. says Starting system V runlevel compatibility [fail]it is after replacing xorg.I want to enter in recovery mode. But when i try escape it just enters bios. if i try holding shift it just does nothing.So how to enter recovery mode in ubuntu 11.04 i just cannot get to grub menu.
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Sep 15, 2010
I logged in recovery mode via grub, it shows several options: like, resume normal boot
When I enter the resume normal boot it shows something like this:
xxx login:
password:
And I entered my root password which I need for the command "sudo -i". But it shows incorrect password, why is it so?
Same thing happens with dpkg option also? Why is it so, I dont have any other passwords for my machine?
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Sep 2, 2010
I am trying to run boot up in recovery mode in Lucid Lynx 10.04 on a Dell XPS M170. When it gets to [1107.134155][drm] nouveau 0000:01:00.0: GPU lockup-switching to software fbcom, it stops and freezes up and will go no further.
What does this mean and is there a fix?
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Jul 27, 2011
I have just upgraded my lenny box to squeeze. I did it by clean-installing squeeze. The installation was successful, but I just noticed that I had forgotten to backup some important files I had on this machine before the installation...
Now, is there any way to recover those files?
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Mar 8, 2010
This is an urgent problem. I removed my propreitary ati display drivers because I had to update them but I don't know what happened. Now I can't boot. The screen shows the Ubuntu splash screen but then the login screen does not come on. I get a blank screen. Worst of all, I had removed Recovery entries from the grub so I can't boot into recovery mode so easily. It's urgent. I don't want to reinstall with my exams a week away.
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May 9, 2010
in Ubuntu 10.04 I would like to enter in recovery mode, so I restarted computer and pressed <Esc> key just like in any previous version, but nothing happens Ubuntu still starts to boot.
How to enter into recovery mode in the latest version of Ubuntu?
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May 18, 2010
I'm running 9.04 on a Powerbook G4 and, long story short, I accidentially put it into hibernate mode. When I try to turn it on, I am greeted with a blank screen after the bootloader. Unfortunately I can find no way to get out of this, since I'm using yaboot instead of grub. I can access my yaboot.conf file if I mount the HD from a live CD, but is there something I can put in there to tell it not to try to resume from hibernation? Or would deleting the swap partition at hda4 that apparently contains my hibernation data solve the problem?
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Jul 6, 2010
I installed lucid last week, and this morning installed some updates that appeared in update manager and then started having issues with permissions so I rebooted. Now when I try and log in I get the message Authentication Error Normally this wouldn't be a problem I would reboot again hit ESC just before loading Grub appeared and go into recovery mode and change the password for my master user. But I never get the chance to press ESC, and even I hold the key down from the time my BIOS flash screen is up, I never get the GRUB menu.
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Sep 30, 2010
I decided to install ubuntu on my family desktop because it is quite old now and it needs constant maintenance for windows. I have used the old ubuntu on this computer some time ago i believe it was the 8.04 version. But anyway back to the point, i have decided to put ubuntu back onto the computer but i have encountered an issue. The issue is that when i installed ubuntu everything seemed to be working perfectly out of the box the printer, wireless etc... but when i installed the restricted drivers for the ati card inside.Upon loading ubuntu a big OUT OF RANGE came up on the monitor and i cannot access anything. I looked at the FAQ but am unable to get into recovery mode to type in the relevant command prompt and there seems to be no grub popping up to press esc/shift to get into the menu. Is there anyway around this? i am prepared to reinstall ubuntu but what could i do to prevent this upon re installation?.
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Feb 5, 2011
I have made an entry in fstab that is keeping me from booting. I am able to get into recovery either from entering "M" as it is trying to mount my bad entry or from Grub.
However once in recovery I am unable to save my edits in vi. I have tried several attempts at saving my edits to no avail. What trick will I have to impose in order to clean up my fstab so I can boot successfully.
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Apr 16, 2011
as Ubuntu is my only OS on this box.I had this PC running as a server for a few months with few reboots.I installed updates as usual yesterday, and hadn't changed anything configuration-wise since the last reboot. Well last night this server that I was running was moved to another Windows box and so I finally got to shut this PC down for the night. In the morning, I was greeted with an endless splash screen. It went on for 20 minutes without anything. I did update the kernel through update manager.
So what do I do? This machine has a 1TB HDD with a lot of very important data on it--reformatting is not a considerable option at this point. Which is bad because I don't know what else I could so when even recovery mode isn't working...
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Jun 7, 2011
I installed Ubuntu 10.04 32 bit on an Acer Aspire 7520 laptop running Vista.Thereafter, Vista could only be run via the "Windows Recovery Environment" grub menu option, which is on /dev/sda2. However, within Vista than the wireless network is not functioning any more. It has given lot of headaches to find a way out. Unsuccessful, so far.
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