Ubuntu Installation :: Grub2 - Turning A Dual Boot Into Single Boot?
Feb 10, 2010
I recently got a netbook and setup as dual boot between win7 starter and 9.10 (64bit). Win 7 starter is not impressive so i want to nuke it and give the space all to my /USR partion. I am comfortable working with Gparted and assume that i can launch using my gparted live usb and delete the windows partion and then resize the /usr partion.
what changes do i need to make w/ Grub2? I would prefer not to see the Grub menu at all and have it load right the main kernel if possible. Also, if this is possible is there a way to get to the Grub menu during boot should i need to select a different kernel?
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Feb 15, 2010
After installing karmic with Grub2 I am unable to boot into Archlinux partition. Grub2 has removed the last line of the Archlinux boot stanza! It used to read:-
[Code]....
Following the Grub2 tutorials I have tried editing /etc/grub.d/40_custom as follows:-
[Code]....
But no luck. Only way into Archlinux is to get into the edit shell and manually add the missing line and remove other stuff not needed. I have spent hours trying to resolve this issue and I am fairly p----d off
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Jan 16, 2010
I currently have a dual boot of Windows Vista and Ubuntu 9.10. I only had Vista purely for playing games, and using certain applications, but recently I decided that I could just configure Wine to work on my system. I was wondering if it was possible to extend the Ubuntu partition as it is over the whole drive, so that I don't lose all my stuff from Ubuntu. Or should I just keep it dual boot, for those few programs that Wine doesn't have quite down? I know this might not have much to do with anything, but I have an NVidia GFX card.
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Jun 8, 2010
I've already had WinXP SP3 installed on one HDD, so i've installed 10.04 on my spare HDD. When I try to boot to Win, I get ntoskrnl.exe missing error. This is my boot info script report:
Code:
Boot Info Script 0.55 dated February 15th, 2010
============================= Boot Info Summary: ==============================
=> Windows is installed in the MBR of /dev/sda
=> Windows is installed in the MBR of /dev/sdb
[code]....
I've tried with different boot orders in bios, reinstalling Grub2 (several times ), I've even tried to install lilo through software center but didn't know how to configure it ...
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May 12, 2010
I recently installed Ubuntu 10.04 on my dual boot system and noticed that my boot options were changed. I typically have Windows XP as the default OS. Here are the steps that worked for me to get Windows XP as the default boot using Grub2.During my initial Window XP install I had partitioned my hard drive into 3 partitions:
Code:
Partition 1: NTFS format (Windows XP installation) in Linux it is called /dev/sda1
Partition 2: NTFS format (Data for Windows XP) in Linux is is called /dev/sda5
[code]....
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Nov 23, 2010
Been using Linux for many many years but Grub2 is annoying the heck out of me at the moment.
My home desktop PC is set up as follows:
/dev/sda � 40GB 10k Raptor with Ubuntu 10.10 installed
/dev/sdb � 500GB HDD formatted to ext4
/dev/sdc � 500GB HDD split up as follows:
/dev/sdc1 � 80gb NTFS partition with Win7 installed
/dev/sdc1 � Remaining drive space NTFS but nothing on it yet
Grub2 refuses to detect that Windows is installed on the 3rd HDD. I've googled and spent hours trying all sorts of things to get it to detect it and add it to my boot menu.
If I disconnect all drives except the Windows drive it boots up straight into Win7, so it's healthy and happy. (as healthy and happy as Windows can be, I need it for work purposes only!)
Does anyone have any tips on what would be the best method to force grub to realise that Windows is sitting there?
As far as I understand, the Win7 partition should be (hd2,1) � does that sound right to you?
I haven't tried booting off an Ubuntu CD and re-installing grub, since I can get into Linux and all the guides seem to be about how to restore grub after a Windows install eats it...
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Sep 4, 2010
I've got a win7/ubuntu 10.04 dual boot running on my system. I did the usual of installing 7 first, then ubuntu and using it as the default boot option. I now want to get rid of win 7 and expand the ubuntu installation into the free space. My current hdd structure is in the attachment. If I just boot a live cd and gparted to remove the win 7 partitions and expand the ubuntu installation into the free space, will that work or will it have a massive panic? how to I get grub to silently boot after without offering me any boot options?
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Nov 26, 2010
I'm thinking of dual-booting Ubuntu 10.10 and Arch Linux. It seems that I'll have to do some editing of the grub.cfg file, but I have seen numerous warnings not to do so. After a bit of poking around, I've heard about a script that does the editing for you built in to Linux (or maybe just Ubuntu).
My questions are:
- If the aforementioned script does exist, how do I use it?
- else if it doesn't exist, how do I not directly edit grub.cfg?
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Feb 1, 2009
After going back & forth between win7b & F10 installs, I can't get both to live on the same hard disk for dual booting anymore. win7 complains about fedora's GPT disk being unacceptable for installation. win7 blows away fedora's GPT partitions when it installs. Fedora doesn't recognize win7 partitions when it installs. I can't specify exact partition boundaries with windows even if I know what they are, and I can't seem to find any info how to do it in parted either. I have win7 installed in partition 3 in a known location on disk, but if I reinstall f10 (again), it's going to blow away the win7 boot data on the disk. How do I tell grub where to find the chainloader thingy? Can that still even be used? win7 no longer uses ntldr, and I haven't found an updated procedure for this new boot method.
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Apr 26, 2010
I've just installed the 64 bit edition of 9.10 on my workstation. My raid drivers worked without any custom installation, which is very impressive! I am however having a problem installing grub2. I boot to the live CD, run the install process, resize and partition my free space as an ext4 primary partition with mount point /. Everything installs except grub, so I'm always booting in to windows.This seems to be a bit off as I've never had this occur with dual booting before.
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May 7, 2010
I have a Dell Studio 14 laptop with Windows 7 64bit preinstalled. The processor is core i5 and the machine has 4GB RAM. I freed 25GB of memory from my Hard disk and tried to install Ubuntu 10.04 (AMD). Everything went fine. I restarted and Logged into Ubuntu. It worked like a charm. Then I restarted to Windows7. This also worked well as expected.
But, when I rebooted again, I got a black screen saying that �No modules found. Press any key to restart�
When I press a key, it says �No operating system found�, probably after checking through a network (it printed lines starting with PXE).
I tried exactly in the same way with Ubuntu 8.04 in my machine, and this worked without any problem. The Bootloader was not corrupted after restarting from Windows. I noticed the problem with Ubuntu 9.10 and 10.04. I feel like a problem regarding the bootloader version. AFAIK, 9.10 and 10.04 is using GRUB2 when 8.04 use the old version of GRUB. Will I have to switch to the legacy GRUB? (I would love to keep using GRUB2). If yes, I would like to know How.
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May 11, 2010
I have a Dell ZINO HD and dual booted fine prior to 10.04. Grubs seems to not identify the Win7 OS partition correctly. According to Disk utility DEV/SDA1 is a DELL utility partition, DEV/SDA2 is the RECOVERY partition, DEV/SDA3 is my Win7 OS partition...and DEV/SDA5 is my Linux partition. Ubuntu boots fine... but with GRUB using SDA2 (HD0,2) for win7 I cannot boot to it... is there a fix?
The following is in my GRUB.CFG file
### BEGIN /etc/grub.d/30_os-prober ###
menuentry "Windows 7 (loader) (on /dev/sda2)" {
[code]....
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Nov 3, 2009
Problems with dual boot, grub2 auto os prober
Drive #1 (sda) Master CS Ubuntu 9.04 grub upgraded to grub2 version 1.96
Drive #2 (sdb) Slave CS Ubuntu 9.10 grub2 version 1.97 /boot is (sdb1) root is (sdb5)
grub2 is installed in /boot (sdb1) and the mbr of (sdb)
I want to be able to boot drive #2 from drive #1 grub menu at boot time. I have run �update-grub and it probes and finds (sdb5) and creates a new grub.cfg called grub.cfg.new in the /boot folder, but the new cfg file does not show (sdb5) or (sdb) it shows all other changes that I made such as splash screens and they are working. How do I get it to recognize drive #2 with Ubuntu 9.10. I can boot each drive independently of one another and I can boot 9.04 with 9.10 if I swap the drives around. And run update-grub The auto probe is working in the Ubuntu 9.10 and may be working partly in the 9.04.
This may or may not be a problem, but is a pain anyway. When I run update-grub in 9.04's grub version 1.96, it does not change anything in the current grub.cfg it does make a new file called grub.cfg.new I have to go into /boot/grub and change grub.cfg to old and change grub.cfg.new to grub.cfg I do not have this problem running the same command in Ubuntu 9.10's grub. It finds changes and os's and automatically updates the current grub.cfg
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Oct 1, 2010
I have two hard disks sda and sdb. I have Windows XP installed on sda2 and Ubuntu 10.04 on sdb5. When I installed Windows XP, Ubuntu stopped booting. I tried to repair grub2 from a Live CD unsuccessfully. Now I have completely messed up my MBR of both HDDs. I just want to configure grub2 to load both OSes in dual boot mode.
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Jul 25, 2010
I have two hard drives one with Windows XP and one with Ubuntu 10.04. The hard drive with Windows XP has been dying out slowly over the last week thankfully I backed up all my important information. The problem is that now that the Win XP hard drive is dead I can't boot into Ubuntu nothing pops up just the blinking cursor. I believe this is because when I installed ubuntu the Windows XP HD was already in the first slot and may have all the boot information. I have the LiveCD and can boot into that successfully.
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Feb 19, 2010
How do I erase windows completely and just run puppy. Also how do I download and install damn small linux.
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Jul 20, 2010
I just recently installed ubuntu 9.10 in my upstairs computer. It is a single boot system.Downstairs I have a dual boot system. I have windows vista and ubuntu 9.10 installed. It worked fine. I wanted to make this a single boot system and uninstall ubuntu 9.10. I cannot get rid of the grub bootloade
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Mar 5, 2010
Situation:
8GB SSD
#! on a 3.7GB partition, only 2.5GB used
Kuki (XFCE) on a 3.4GB partition, about 3GB used)
Both have their own /home folders within their individual /, but since I don't use this computer for documents/personal files, I figured it may be an idea to keep a 1GB partition just for my Home folder which would work for both distros. Both distros are Ubuntu based. Crunchbang uses Openbox, Kuki uses XFCE. They both are running the same kernel right now too in fact. I know how to use Gparted to create the spare 1GB partition, but I'm not sure how to get both distros to move their /home over there. I have the same usernames on each distros.
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May 22, 2011
Today I attempted to install Win 7 on my Ubuntu 11.04 machine so I could dual boot. The Win 7b install went smoothly, but when I tried to fix grub everything went to hell.
I initially tried to reinstall grub using this walk though [URL] However, when I start the computer I get:
"GNU GRUB version 1.99~rc1-13ubuntu3
Minimal BASH-like line editing is supported....
grub> "
I tried to use the technique in [URL] to solve the problems, but when I try to run chroot I get a bin/bash error (I don't have the full error handy, but can rerun the steps if needed). The only potential cause that I can find doesn't apply to me since I am using a 11.04 64 bit live usb on a 11.04 64 bit install.
I've run [URL] and included the results below.
[Code]....
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Mar 10, 2011
I have a Macbook 7.1 (the white one)
2.4GHz Intel Core 2 Duo
2GB DDR3 memory
250GB hard drive
I'd like to install Ubuntu on it because I really love the way Ubuntu is developing and becoming much more user friendly. My use will mainly be for browsing, working with wordprocessors and maybe downloading series from torrents. My question is, should I dual boot or single boot? My personal preference is to single-boot, I just like the idea of having one OS running on the machine. What are the cons of doing that? Also, If I want to dual boot just to keep the firmware updates. How much space should I designate for Ubuntu and how much for Mac OS?
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Feb 17, 2011
I have read that installing ubuntu 10.10 will inevitably install grub2 with it(unless you use flash drive workaround). i am wondering how slackware 13.1 reacts to grub2.
Does it go on like nothings changed (if configured correctly)? Or does it freak out and have a fit? If slackware doesn't play nice with grub2. i don't think i will use ubuntu 10.10.
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Oct 5, 2010
I currently have Windows 7 installed on my laptop and I would like to dual boot w/ Fedora on the same hdd.I have two NTSF partitions, I shrunk my D drive 50GB for ext4 & swap.I've tried both liveusb-created & unetbootin to create a bootable USB to install Fedora.Anaconda starts up and I get through most of the install configuration, I set up GRUB & the partitions. Once I proceed to the next screen I get missing ISO image 9660 error My laptop doesn't have a DVD drive. It seems like a lot of people are getting this error, but I have found no concrete solution though.
How do I put the image on the drive? Windows can't read ext4 and I haven't been able to find a program that can.I have a USB to SATA adapter that I could hook up a DVD-ROM drive too, but I don't know if fedora will pick up on it.
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Mar 7, 2010
i initilally installed ubuntu 9.10 then installed windows 7 ,then i recovered grub2 using livecd as told in the post [URL] i did "sudo update-grub" and got windows 7 menu entry but when i select that entry windows 7 does not load but the grub2 is reloaded again.
i cant boot to windows 7.
Windows 7 have 100 mb partition "System Reserved" the grub2 points to that partition but still windows 7 not loaded.
sudo fdisk -l
Disk /dev/sda: 320.1 GB, 320072933376 bytes
255 heads, 63 sectors/track, 38913 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Disk identifier: 0x3c3a81f5
[Code]....
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May 17, 2010
I went through so many post but I haven't found the proper answer yet hope you have an Idea1. Grub2 saves only Linux OS as last selected no Windows OS2.It is possible to boot into a cdrom (drive)?
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Dec 24, 2010
I have a win7/10.10 dual-boot set up, more or less following the lifehacker.com tutorial (I know, I know). I had to reinstall windows, and its taken over the MBR so that only win7 boots now. My shared drive and the ubuntu filesystem are still there, I just can't get to them without a boot cd. So, I tried to follow the tutorials, which all basically say to reinstall grub or grub2. I tried one method, but ubuntu told me that installing grub2 anywhere but the MBR was a bad idea
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May 8, 2011
i had a dual boot with xp and lucid lynx, then upgraded the xp to win7. windows commonly overwrites grub with it's bootloader. and so it did. now i can't access my lucid OS. i need to get grub back (i need to get lucid back).
here's my fdisk:
ubuntu@ubuntu:~$ sudo fdisk -l
Disk /dev/sda: 160.0 GB, 160041885696 bytes
255 heads, 63 sectors/track, 19457 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
[Code]...
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Jul 20, 2011
Dual boot PC, boot disk and WIN XP are on good disk, Ubuntu was installed on failed disk. (I prefer separate disks for each OS).
I know I will need to reinstall Ubuntu later, and of course, GRUB2 now crashes without the Ubuntu disk.
Confirm that the only thing I need to do when I get the new drive installed and partitioned is to boot my XP disk in Recovery Mode and type "fixmbr", (then reboot to confirm clean WIN operation on the existing disk) then install Ubuntu as normal on the new disk.
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Mar 1, 2010
I'm using opensuse 11.2 and a week or so ago it suddenly stopped shutting down the computer, or rebooting. It shuts the screen down and that seems to be it, so I have ti switch it off. However a day or so later it began to reboot when asked, but still won't shut down. I'm dual booting it with Unbuntu 9.04 using grub2, but it's been that way for many months without problems.
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Apr 30, 2010
After upgrading to 10.04 from 9.10 Win7 wouldn't startup any more. So I tried this HowTo: [URL] to restore Grub2. But now each time I boot up I get this two lines: error file not found grub rescue> I have NO idea what to do.
[Code]...
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Aug 11, 2010
I am trying to install ubuntu 10.04 on windows7.windows 7 was already installed.I ollowed these steps to install ubuntu 10.04.1)First i made some freespace in hard disk to install ubuntu using windows7 default options(By shrinking).2)I used USB drive to install ubuntu.I made it bootable using unetbootin.3)I followed normal steps install(language,area,keyboard,using manual partition i installed ubuntu in free space,etc).4)I got boot menu when it restarted.PROBLEM isAs long i use only ubuntu (boot into ubuntu --shutdown--boot into ubuntu --shutdown) it works well.
If once i boot into windows 7 and restart the system i am loosing boot menu options.The following error i am getting"no module name found Aborted.Press any key to exit".If i press any key,I guess its trying boot using internet and lastly it says Operating system not found and hangs.
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