General :: Reinstall Grub After Merging Drives?
Nov 22, 2009
I used to have 5 drives on my 120GB Hard disk. I had Windows XP and Kubuntu 9.10 installed.today I started merging the drives after I have finished the process I found that grub menu is not loading instead I get something like thisgrub rescue>I am currently using Mepis 7.0 Live CD how can I restore the grub menu so I can boot to Linux or WindowsThe current HardDisk configuration is
Code:
# fdisk -l
Disk /dev/sda: 120.0 GB, 120034123776 bytes
[code]...
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Feb 4, 2011
how do I retrieve/reinstall Grub without having to reinstall Ubuntu?
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Jan 27, 2010
how to reinstall grub in red hat 5.4 Linux
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Nov 19, 2010
I had a dual boot system - windows in primary active /dev/sda1 and fedora in /dev/sda5 onwards till /dev/sda7 ( /boot, / and swap partitions).I reinstalled windows vista and it removed grub and replaced it with the MBR or windows loader.So now I can't boot into the linux OS. I tried out a live cd and tried grub-install --root-directory=/mnt/_boot /dev/sda (after mounting /boot partition at /mnt/_boot location from the live cd.)But on reboot I donot get the menu.lst options, only the black screen with a grub prompt.
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Dec 6, 2010
i have ubuntu 10.04 64 bit installed and configured and working sweet. I have reinstalled windows 7 and now i can't boot ubuntu i've tried easybcd to add ubuntu to win boot loader which failed and tried to follow the instructions to reinstall grub through a live cd which i am in at the moment. i go to a terminal and type sudo grub and it brings up the grub prompt. i have mounted all discs and entered the command find /boot/grub/stage1 and it keeps spitting this back at me Error 15: File not found
my hd is a 80gb with partions like this
/dev/sda1 105mb ntfs system reserved
/dev/sda2 45gb ntfs win 7 home premium 64 bit
/dev/sda3 34gb ext4 ubuntu 10.04 64 bit
/dev/sda4 1.5gb linux swap
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Sep 1, 2010
I had two OS in laptop windows vista and linux mint and when I used to start my computer I used to get different option for os like linux mint, linux mint memory check, windows vista etc.. but because of virus windows vista got crashed so I formatted disk drive C: which were containing windows vista and reinstalled fresh copy of vista.. but now when I start my computer vista start automatically, I do not see GRUB options to run windows os or linux mint..Is there a way to reinstall GRUB to get options like I used to get before formatting ?
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Dec 10, 2010
I have ubuntu 10.10 running on my HP dv5 pavilion laptop So today i tried to reinstall grub on my pc .. i removed grub-pc and grub-common using synaptic then booted up with a live cd of ubuntu 10.04 i then mounted sda11 to mnt using sudo mount /dev/sda11 /mnt sda11 being my ubuntu directory containing the /boot then i installed grub to it using sudo grub-install --root-directory=/mnt /dev/sda it reported as installation finished.No error reported then i unmounted /mnt and checked for /boot/grub/grub.cfg seems like the file is missing so are the files in /etc/grub.d/ reinstall my grub back
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Aug 7, 2010
I recently re-installed lucid on a machine with two working DVD writers, one SATA, the other IDE. After the re-install, neither drive appears to be recognized. Putting an blank CD into either used to cause a pop-up that would ask me if I want to run k3b, but now it doesn't. If I use an external USB DVD writer, I do get that pop-up. Sadly my external USB DVD writer apparently writes unreadable disks, so it is not part of a long-term solution.
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Jun 2, 2010
Can I use the grub command line to reinstall grub from a ubuntu cd?
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Feb 27, 2010
I have a windows XP Pro machine and also a Server running ubuntu, the server was built for me and the builder is no longer available for consultation. The server drives which were on my desktop beside my C drive were working flawlessly allowing me access until windows started running quite badly which meant I had to reinstall it. After the reinstall I could not see the drives displayed and I am unable to access them from windows. And also not able to mount them. The server has not been switched off at any time and does not even have a monitor or keyboard or mouse. I have not done anything to change any settings to it. I have zero knowledge of the system. My windows administrator password is exactly the same I have looked on the server and my files are intact I just cant access them from windows which I need to do.
I got the following details off the server:
KERNAL LINUX 2.6.27.5 - 117. fc10.i686
GNOME 2.24.1
MEMORY 881.4 MiB
Processor AMD LE 1620
Samba Server Version 3.2.4-0 fc10
I was told the drives should appear on their own but that's not happening I am not able to sight them at all file sharing and printer sharing is enabled.
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Jun 9, 2011
i am totally new to terminal!!! i extracted both the audio and video from an mkv file. both can be played back without any problem, yet i can't merge them into a single one
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May 29, 2010
how to split two files like
big.zip.1
big.zip.2
then, my second is how to merge them like windows
in windows, i can use copy /b
in linux,
cat big.zip.1 > big.zip
cat big.zip.2 >> big.zip
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May 14, 2011
I'm totally new to Linux and this website. I was wondering if anyone had or could help me create a shell script that would merge two files from two different directories and then have that new merged file in a third differnt directory.The merged file would need to eliminate duplicates and sort the contents.
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Oct 10, 2010
I have three files with the following structure:
file1
1 2 3 4
5 6 7 8
[code]...
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Apr 18, 2011
Does anyone have a solution for merging files if the number of rows in the two (or more) files is non-equivalent.To exemplify, how about merging the following 3 files:
file1:
1
2
[code]...
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Nov 16, 2010
I have multiple strings (eg. say two, firstLIST=(0 1 2) and secondLIST=(2 3)) and want to create a single string composed of their unique sorted elements. For the sample strings above, I'd like to build masterLIST=(0 1 2 3).I suppose I could write the elements of firstLIST and secondLIST to files
Code:
echo ${firstLIST[@]} > firstFILE
echo ${secondLIST[@]} > secondFILE
then use
Code:
sort firstFILE secondFILE | uniq > masterFILE
as this gives me a file populated with the elements I'm after, but I'm not sure how to read the elements back into masterLIST... and it doesn't seem "right" to create files to accomplish this. Is there a way to do this by manipulating the strings ${firstLIST[@]} and ${secondLIST[@]} directly? The closest I've come (not close at all) is
Code:
masterLIST=${firstLIST[@]}" "${secondLIST[@]}
but masterLIST built this way has only one element
Code:
$echo ${masterLIST[@]}
0 1 2 2 3
$echo ${#masterLIST[@]}
1
and I don't have access to the individual digits to then try to figure out how to remove duplicates.
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Oct 21, 2010
I am very new to LVM, as well as not especially experienced at linux, and have some questions about how lvm works. A few months back I set up a server running FC10 and tried creating Logical Groups during the the initial setup. We've realized that we are not using all the available space on the physical drive, and I realized that for some reason (I'm thinking this might have been the default?), we initially created two Logical Groups (VolGroup00 and VolGroup01) and it appears two Logical volumes in each (LogVol00 and LogVol01). LogVol00 in VolGroup00 is mapped to /, and the other Group was actually unused. I figure that it would be simplest to just use all this space mapped to /, so I thought the thing to do would be to simply merge VolGroup01 to VolGroup00. I tried this:
[root@office mapper]# vgmerge VolGroup00 VolGroup01
Logical volumes in "VolGroup01" must be inactive
So after a bit of research, I tried this:
[root@office mapper]# vgchange -a n VolGroup01
Can't deactivate volume group "VolGroup01" with 1 open logical volume(s)
So apparently There's an open volume, but I don't know how to go about closing it. I removed the LogVol00 from that group, but LogVol01 won't budge.
[root@office mapper]# lvremove VolGroup01
Can't remove open logical volume "LogVol01"
So how do I go about closing this Volume? At one point, there was some output that told me LogVol01 was being used as swap space. How do I handle that?
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Feb 14, 2009
In RHEL 4 grub.conf file has to be delete. how can i reinstall the grub?
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Feb 18, 2009
I reinstalled winXP and lost grub loader. I have LiveCD with Fedora 10. How can I reinstall GRUB using this CD ?
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Jun 20, 2009
I've restored a Clonezilla image of my Fedora 11 ext4 installation but realised that I hadn't backed up the ext3 /boot partition. I decided to create a Clonezilla image of the ext3 /boot partition from my laptop, as that has exactly the same partition scheme. I've restored that. I realise it may not work but it might save me reinstalling F11 from scratch. How does one reinstall grub in Fedora 11 given that /boot is on a separate partition? Booting from the F11 DVD in rescue mode, running chroot /mnt/sysimage and grub-install /dev/sda doesn't work.
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Apr 23, 2010
I have 7 And Karmic and I recently a 1080p monitor, new graphics card and 8 gbs of ram, I reinstalled 7 (using 64-bits per pixel instead) and I tried reinstalling the grub menu in the live usb and it doesn't work like it did back in earlyer versions of ubuntu
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Jul 15, 2010
I reistalled windows XP in a Ubuntu 10.04 /windows dual booting system .. After installation the grub is lost .. I don't know how to restore grub ..
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Nov 29, 2010
I was using open suse with win 7 in a PC with dual boot (grub). But my Hard Drive has 170GB of free space (do not ask why I left this empty space ). Onde day I needed to use this free space and formated it using the windows. It worked fine, but when I reestarted the notebook my grub did not opened! To solve the problems I tried to recovered it but with no success, so I found a tutorial to reinstall the grub, It worked partially, because my open suse partition was not detected and I can't access it.
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Jan 14, 2010
I had windows XP on my c:drive. installed ubuntu 9.10 on a 27 gig unallocated space. ubuntu ran fine. Then i boot to win xp and used a partitioning software to take back some other unallocated space. after it rebooted to complete the partitioning processes grub wouldn't load. So i need to re install grub from this ubuntu 9.10 live cd.i tired the following
grub(didnt work the first time said i needed to install grub so did : root@ubuntu:~# sudo apt-get install grub )after grub was installedgrub> find /boot/grub/stage1 Error 15: File not foundthe previous linux partition I can see in the Computer with the boot directory and is called 1000gb hard disk: 27 GB filesystem see screenshot.
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Jun 19, 2010
I've just installed Windows 7 in a separate partition to play with. Trouble is, it's wiped out GRUB. I was expecting this and I know last time this happened it was easy to fix. The forum serch found a thread with 3 ways to re-install GRUB. I've tried each, and none have wored. Methods I've tried
1) The aptitude install grub-pc command ran and said it had worked correctly. On re-bootong, Windows started without any GRUB screens on the way.
2) The chroot method stated it installed correctly after raising a few warnings - after I used the --force command, as the install failed without it. Again, reboot and get Windows without a GRUB screen...
3) Normal grub-install command (no chroot). This went as per the chroot command.
From where I'm sat, it looks like I'll have to do a clean Linux re-install on the disk and then restore my linux files again from a back-up - something I'm not particularly over-joyed by the prospect of...
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Jun 25, 2010
How do you reinstall grub after XP recovery ? btw I only have the live cd on a usb.. not the live cd it self.
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Aug 24, 2010
So I was bored yesterday, looking at some free unpartitioned space (I meant to use it as emergency space, just in case) and I thought that it'd be really nice if I could make a ~250 MB partition just for GRUB, so I decided to see if I could do it. The partition has been made as 256 MB (just to be nice ) and ext2. (I'm also running lubuntu, if you need to know)
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Oct 11, 2010
Several moths ago I installed Ubuntu 10.10 Maverick Meerkat alfa3 in a newly created partition while I was using Ubuntu 10.04 Lucid Lynx. After I installed the 10.10 alfa3, I realized that it also installed its grub. Moreover that grub could not detect the kernel updates of 10.04. Thus, I recovered the grub of 10.04 via live CD. Interestingly after I returned the grub of 10.04 the boot time of 10.04 has considerably increased.
For example, the Ubuntu splash screen appears 20 seconds after selecting Ubuntu in Grub menu. I thought that a fresh installation for 10.10 final release would solve the problem but it seems that I'm still getting the same boot time until the splash screen is the same. It seems that I need a fresh installation of Grub. The methods that are introduced following url are just recovers Grub. I need to erase and reinstall the Grub. [URL]
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Mar 29, 2011
I have Ubuntu 10.10 and Windows 7 on my computer. After not booting into my Ubuntu partition for a while, I noticed that grub had disappeared, being replaced by the windows bootloader. I followed the steps here under "reinstalling from liveCD" and I was able to get a grub command line when I rebooted, but no boot menu. So I booted into Ubuntu and ran update-grub like the instructions say, and the output indicated that Ubuntu and Windows had both been successfully found and added to grub.cfg. But when I rebooted, I still only got the grub command line.
When the instructions had steps for if you had a separate boot partition, I used /dev/sda1 because it is marked by fdisk as being the boot partition. I thought that maybe update-grub was only seeing /boot on the Ubuntu partition and wasn't touching the boot partition, so I tried mounting /dev/sda1 as /boot, but after that grub didn't boot at all, it just goes straight to Windows and I haven't been able to reinstall grub even after following the steps again several times. How can I get grub back?
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Apr 18, 2011
I'm running dual OS Windows Vista Bussiness and Ubuntu 10.10 on my acer notebook. But a few days ago after I update the kernel (I think), I can't boot to my windows OS. It's only stuck at boot screen (progress b4 logon to windows), so I want to reinstall my windows with windows XP. But, if I do this, the grub must be replace by windows bootloader. how to reinstall the grub?? will the new grub, allow me to load the latest kernel which already install on my Linux?
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