General :: Automatic Reboot And Revert Grub Config On Boot Failure?
Dec 3, 2010
I have a working RHEL in /dev/sda1 and a newly constructed Ubuntu Lucid in /dev/sda2. I'm going to edit the grub config and reboot the server into the new Ubuntu. However, I'm not 100% sure that the new distro can boot. And since my only way to access the server is via SSH, I need the network to be up too.
How can I configure Grub and Ubuntu so that if the server fails to boot, it will automatically reboot into the old RHEL? Currently using GRUB 0.93, but I can upgrade it if needed.
Update: In the end, no boot failure occured. But without the insurance from this, I wouldn't have attempted [URL]..
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Mar 26, 2010
So my computer has ubuntu 9.10 installed 1st and I want to install win 7 in a separate partition. Basically, ubuntu 1st, win 7 later so far from what I learned from search results, grub 2 have problem with win 7 installed later and what was recommended was install win 7 before ubuntu. how ever I do not have the time to start over again because there are too many things to back up or install again. can I simply revert grub 2 to grub 1 again and resolve the problem?
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Nov 22, 2010
I've been messing around with a Verizon Hub trying to see if I can get it to register with my Asterisk server. I have been able to telnet into the phone with the root username. I can change files in every other folder on the device except in the /etc folder. I have tried mounting many different ways, changing file permissions but everytime I change the file and reboot it goes back to its default configuration.
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May 24, 2010
I'm running a dual-boot with linux mint and Windows. I have an E-machines desktop with : 760 GB Hard Drive 6GB RAM NVidia GeForce Graphics card 6150se Integrated AMD Athalon II X2 235e dual-core processor My problem is getting my grub to boot into Linux Mint, and the problem may lie with my graphics card. Whenever I install the linux mint for the first time, I am prompted to activate my proprietary NVidia graphics driver, which I do. Then I am asked to reboot.
Upon reboot, the system gets to the grub menu, accepts my selection to boot linux mint, then the "progress dots" appear on the screen. After about 8 seconds, the screen switches into command prompt mode. I never get to the graphical sign-on screen. All I get is the console sign-on prompts. From there my only option seems to be to reboot. (sudu reboot). After which, of course, I am forced to go into Windows vs. Linux to avoid the problem. Once Windows has loaded up, I do a restart and go back into Linux Mint . Finally, I get to the Linux sign-on graphical screen.
To summarize, i cannot restart linux mint without getting stuck staring at a console screen. I can get back into linux mint if i use the command 'sudo reboot', and, from the grub menu, choosing to go into Windows. From Windows, I then do a restart and end up back at the grub screen again, but this time when I select linux mint, things work and I am given the sign-on gui.
If I choose to not install the graphics driver (and put up with the annoying reminder to activate one), the system dual boots without a problem.
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Aug 17, 2010
After a kernel update, the system always updates the GRUB menu, and the newer kernel is the default boot option.However, after an update on my F13 X64 system, the GRUB menu was updated, the config file still sets the default to "1" but if i left the automatic boot it will boot the previous kernel... am I crazy or missing something here?Here is my /boot/grub/grub.conf file:
Code:
#boot=/dev/sda
default=1
[code].....
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Sep 29, 2010
Ive created two RAID0 partitions on my drives, a 500GB and a 60GB. Im trying to install Ubuntu on the smaller partition (ive already put Win 7 on the larger one) and every time when i get right to the last part of installation it says Grub couldnt be installed. "the grub package failed to install in arget......."
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Jun 3, 2010
Im finally deleting vista from my disk, but as I am game addict I will re-install it afterwards just for games. Now I assume that will overwrite GRUB, so how do I restore boot record and at same time keep my grub config?
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Sep 24, 2010
I did an automatic update and rebooted this morning and I now have a bit of a nightmare situation where I can't open the majority of applications, including the terminal. When I rebooted, my desktop loaded as normal, but then when I try to open the terminal (from Applications -> Accessories or from my quick launch panel), nothing happens other than the quick launch panel disappears for a second then reappears. This is the case for most other apps, but not for Chrome (obviously).
Used Alt+F2 to open the terminal, ran safe upgrade and then rebooted, but still having the same issue. As Ubuntu was booting, there was a "Broken pipe" message, which didn't stop the boot process but is still a bit worrying. I've run a file system check but this hasn't resolved the problem either.
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May 25, 2010
I have a triple boot system running Ubuntu, WinXP, and Win7.I had Ubuntu running fine on its own partition (sda1) but an upgrade from Karmic to Lucid turned it into a dog.So I tar-ed my /home filesystem, split sda1 into 2 new extended partitions, then did a clean install of Lucid with / on sda5, and /home on sda6.I should also mention that I have already tried re-installing Grub from a live USB to no avail.
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Mar 11, 2010
An error occurred during the filesystem check. Dropping you to the shell; the system will reboot when you leave the shell.
Warning -- SELinux is active
Disabling security enforcement for system recovery
Run 'setenforce 1' to reenable
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May 24, 2010
I'm running a dual-boot with linux mint and Windows. I have an E-machines desktop with :760 GB Hard Drive6GB RAMNVidia GeForce Graphics card 6150se IntegratedAMD Athalon II X2 235e dual-core processorMy problem is getting my grub to boot into Linux Mint, and the problem may lie with my graphics card. Whenever I install the linux mint for the first time, I am prompted to activate my proprietary NVidia graphics driver, which I do. Then I am asked to reboot. Upon reboot, the system gets to the grub menu, accepts my selection to boot linux mint, then the "progress dots" appear on the screen. After about 8 seconds, the screen switches into command prompt mode. I never get to the graphical sign-on screen. All I get is the console sign-on prompts.
From there my only option seems to be to reboot. (sudu reboot). After which, of course, I am forced to go into Windows vs. Linux to avoid the problem. Once Windows has loaded up, I do a restart and go back into Linux Mint . Finally, I get to the Linux sign-on graphical screen.To summarize, i cannot restart linux mint without getting stuck staring at a console screen. I can get back into linux mint if i use the command 'sudo reboot', and, from the grub menu, choosing to go into Windows. From Windows, I then do a restart and end up back at the grub screen again, but this time when I select linux mint, things work and I am given the sign-on gui.If I choose to not install the graphics driver (and put up with the annoying reminder to activate one), the system dual boots without a problem.
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Feb 14, 2010
I'm having a problem installing Ubuntu Studio 9.10-alternate-amd64 onto my machine. This is the third attempt and I keep running into the same problem. Grub Boot Loader will only install to 16% when a screen pops up:
Ubuntu Installer Main Menu
Choose the next step in the install process:
choose language
configure the keyboard
detect and mount CD-rom
etc...
choosing the option "Install Grub boot loader on a hard disk" sends me back to the Grub install and once again at 16% the Ubuntu Installer Main Menu pops up. Choosing the option "Install the Lilo Boot Loader on a hard disk" resolves in an Lilo-install failure and i'm directed back to the Installer Main Menu. The option "Finish the installation" sends me back to the same menu..I'm stumped as to what to do... a disk check ensured me that the instal-dvd is valid though I can't get past this silly install menu.
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Jan 3, 2016
I have a Jessie with grub2. I've bought ssd and copied root partition onto it. I've also installed grub on this disc. I would like to have dual boot:
- First option: old root booted from hdd
- second option: boot from copied ssd and use root from it.
So i would have two identical but independent configurations.
Both disc has different uids (changed after cloning).
I had a hope that i will change fstab to mount root partition from ssd, but it doesn't work. I need to change grub configuration, but how to add new position?
There is also problem that bios doesn't allow me to choose disc to boot from. So i would rather prefer to change grub configuration for dual boot from different disc.
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May 18, 2011
I have 2 harddisks 1 tb and 160 gb. In 1 tb fedora is installed. In 160 gb windows is installed. 1 tb is the master. 160 gb is not being detected. How to edit grub.conf file to edit the menu?
The content of grub.conf is
# grub.conf generated by anaconda
# Note that you do not have to rerun grub after making changes to this file
# NOTICE: You do not have a /boot partition. This means that all kernel and initrd paths are relative to /, e.g.
# root (hd0,1)
# kernel /boot/vmlinuz-version ro root=/dev/sda2
# initrd /boot/initrd-[generic-]version.img
#boot=/dev/sda
default=1
timeout=5
splashimage=(hd0,1)/boot/grub/splash.xpm.gz
hiddenmenu
title Fedora (2.6.35.6-45.fc14.i686)
root (hd0,1)
kernel /boot/vmlinuz-2.6.35.6-45.fc14.i686 ro root=UUID=bfc7d406-5ae3-4335-a2d8-37472dcfa7dc rd_NO_LUKS rd_NO_LVM rd_NO_MD rd_NO_DM LANG=en_US.UTF-8 SYSFONT=latarcyrheb-sun16 KEYBOARDTYPE=pc KEYTABLE=us rhgb quiet
initrd /boot/initramfs-2.6.35.6-45.fc14.i686.img
title Other
rootnoverify (hd1,0)
chainloader +1
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Jul 15, 2011
i have a dell inspiron laptop lap top with windows7 os.my hardisk is 320gb capacity.now i want to install fedora as my secondary os. I tried fedora12 but instaltion terminated abnormally with the message safe reboot needed recievied signal 3. i have 20 gb unallocated space in my disk.
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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 20, 2015
I was wondering if there is a way to automatically transfer files between one machine to another upon Debian starting (or when a script is executed). Would it be also possible to check a database for a value and if the value exists then files can be transferred automatically (just like reboot).
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May 16, 2010
I'm recompiling my kernel on a dell latitude c600 running lenny as I type, and it's taking forever, so far upward of 4 hours.I think I'm getting drivers for ever piece of computing hardware since the univac So I googled "a kernel conf creator" and got [URL]... Its a nice, clean method for finding what hardware your using... you just run lspci cpuinfo make xconfig and put in all the info yourself. So I was thinking: this is exactly the kind of dull, repetitive behavior that computers were made for. Is there a program that can find my hardware info, and make the.config itself, with very little user input?Or should I reinstall debian on another partition and steal the .config from it? Or should I man it up and do it myself?
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Apr 1, 2010
I have a problem while rebooting my 9.10 server when I have SAN partition mounted. The message is something about the swap that can not be cleaned during the process. All works if I unmount the partitions before shutting down or rebooting.So I though to create a bash script that unmounts the parts during runlevel 0 and 6.I've created a simple script like this in /etc/init.d:
#!/bin/bash
umount /mnt/xxx
and the I've done:
[code]....
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Feb 15, 2011
Is there any way to reboot my centos 5.2 server automatically once the ping result to my default gateway is continuously greater or equlls to 10 ms.
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Oct 23, 2010
I just installed Ubuntu 10.10 and I installed and messed around with startupmanager. Now I get status text when I startup, shutdown, and resume from suspend.
I have "show text during boot" disabled. And I tried turning "show boot splash" on.
How can I get the default behaviour?
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Jun 25, 2010
I recently got my EEEPC and wanted to get linux on it. So I did some looking around and this Eeebuntu seems to be the best fit. I'm having some issues here though. I poked around on the Ubuntu site (because I have limited experience there) and googled and searched this forum. I found several solutions but none worked. Ilimited my swap to 1 gig, I created a home partition and a 10gb "/" partition I tried super grub and came back to the error 15 not so lucky grub boot i have dont largest continous install. Manual install and an install side by side.
I swallowed 3 screams and the urge to chuck this pretty little netbook but the ubuntu on my dell laptop has renewed my hope... somewhat. As of right now I'm booting from a live cd in an external DVD drive. I will note that my installs get to 94% or so before the fatal grub error and super grub in its cd form can boot it but super grub boot through uboot cannot. nor can it install or fix grub. So here is where we stand my current FDisk
[code]...
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May 21, 2010
I looking for a program for automatic or remote reboot process...
Soon I order a VPS and needs a Call of Duty (or other games too) server restarter, if its crash...
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Nov 9, 2010
After an automatic update from Debian I get the following error while starting a root terminal:
An error occurred while loading or saving configuration information for gnome-terminal. Some of your configuration settings may not work properly.
Failed to contact configuration server: the most common cause is a missing or misconfigured D-bus session bus daemon.
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May 18, 2010
I used the Debian Lenny (main, not testing) update manager yesterday to install some new updates. Took a few minutes and no problems but today I started up and for some reason my system wouldn`t load.The hard drive installer automatically sets hd1,0 as my Debian system when it`s 0,0. I had changed this but upon updating yesterday the system again has grub using the previous setting.
Is there any logical reason why a system update (not upgrade, just small update via update manager using only main files not testing or volatile nor backports) could or would change my grub settings back to the wrong ones? I haven`t installed anything else, the only change has been the standard system update so it can only be that which caused it, but why?
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Sep 25, 2010
I was trying to install Fedora to dual boot with Vista in the middle it said that the installation failed and now it will not run grub to let me choose between Windows and Mint which I had installed. All that happens is it shows a command line and says "grub rescue>"
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Jan 10, 2010
I'm trying to figure out if I can do a remote reboot (eg over ssh) and specify a new grub2 os choice for the next boot only (once), in order to boot windows remotely once, but then back to linux on the next reboot.I found this related post for grub, but won't work for grub2 ( I never tried it with grub for a remote reboot)[URL]which suggests changing the default menu option with the once flag:
[root@localhost ~]# echo "savedefault --default=2 --once" | grub --batch
[root@localhost ~]# reboot
I'm just starting to work with grub2 and am not at all clear whether I can do anything similar
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Jan 5, 2011
Been running Fedora for a while now, iterating up through versions to 12. Decided to to a clean install upgrade to 14. Apparently, bug mistake. Everything seems to be progressing fine, but after 'transferring install image to harddrive', the 'Starting Install Process' fails withsystem-config-lvm-1.1.15-1.fc14.narach.rpm cannot be opened.I have no idea what to do with this. I've reburned the install disk a couple of times (and checked the HASH) -- no apparent problems with the install media.Tech details: x86_64 install on a multi-pro box with a 3ware raid 5 controller (5 disk). I've never run LVMs. Two simple hard partitions (/ and /home). Fedora 12 installed with no problems (as did every other version of Fedora <=12).---------- Post added at 12:29 PM ---------- Previous post was at 11:54 AM ----------Some additional information:1 tried Fedora 13 -- wouldn't even recognize my disks. Installer hung at trying to find basic storage. Not a good sign2 tried my old Fedora 12 install DVD -- again, worked like a charm. Expect that F12 repos are now closed.
So, it seems as if some 'change' between F12 and F13/14 has made some part of the install process choke on my 'hardware' (I'm guessing something related to 3ware RAID card). ---------- Post added at 01:51 PM ---------- Previous post was at 12:29 PM ----------I just tried CentOS 5.5 (x86_64). Also installed fine. For some reason, Fedora >= 13 absolutely won't let me get past the problem noted in the OP. I suppose I could go with CentOS (for long EOL support), but I need some of the newer compiler/dev libs in Fedora 14 for some projects I'm working on.
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May 6, 2010
I have machine with Windows and Linux with GRUB, only with remote access. Is there any way to chage default OS in grub from windows? I know how to achieve it from linux, something like
echo "savedefault --default=2 --once" | grub --batch; sudo reboot
should work. Is there any way to achieve it from windows?
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Jul 26, 2010
I've installed Slackware 12.2 on a 12 year old desktop. It is the only OS on the machine. When I press the Power button it stops at Slackware's splash screen asking me to choose an OS, even tho' there is only one to choose from. I installed LILO to the MBR and that is also listed there as a possibility.
Is there a way to set Linux so it will simply load automatically?
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