GRUB2 is the next generation of the GRand Unified Bootloader (GRUB). Ubuntu has used GRUB2 as the boot loader since 9.10 (Karmic Koala). Commonly referred to as simply "GRUB".
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How do I to remove or hide old kernel versions, to clean up the boot menu?
Every time I install a new Linux kernel, it gets left in the grub config, making the boot menu longer each time.
I know I can manually search through the installed packages and remove them, but ...
59
votes
5answers
187k views
How do I change the grub boot order?
I have both Windows 7 and Ubuntu installed on shared machine. Because a lot of the non-developers use Windows, I'd like to change the boot order to make it easier for them.
Currently the boot order ...
44
votes
16answers
67k views
How do I set Windows to boot as the default in the boot loader?
How do I set the bootloader so that in my dualboot with Windows 7/Ubuntu 11.04, Windows start up as standard instead of Ubuntu?
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8answers
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How can I repair grub? (How to get Ubuntu back after installing Windows?)
I installed Windows 7, which ate Ubuntu's boot file. When starting up the computer, it now goes straight to Windows, without giving me the option of booting Ubuntu.
How can I get Ubuntu back?
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0answers
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How to remove the unwanted entries from the boot menu? [duplicate]
Possible Duplicate:
Is there a way to remove/hide old kernel versions?
When my system boots up, a big list of some 6 options are shown other than the Windows OS option.
They are like :
...
20
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5answers
3k views
Decrease GRUB timeout
The GRUB timeout is 8 seconds. Can this be turned down to 2 or 3 seconds? What is the best way to do this?
19
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2answers
4k views
Dual boot Surface Pro with Ubuntu?
How could I setup a dual boot for Ubuntu and Windows 8 on my Microsoft Surface Pro with 128 GB.
Note: My dual boot solution is below.
18
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6answers
45k views
Recovering grub after installing windows 7? [duplicate]
Possible Duplicate:
How can I repair grub? (How to get Ubuntu back after installing Windows?)
I installed windows7 after it crashed and now i am unable to boot ubuntu. ubuntu partitions are ...
17
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5answers
2k views
How do I investigate boot and partition issues?
My machine won't boot, or won't choose the right operating system when I choose it in the grub menu, what information do I need to provide in my questions so people can help me?
17
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2answers
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How to get to the GRUB menu at boot-time, on a single-boot system (not dual-boot)?
This issue came up recently for me (and I've been prompted to lodge it as a specific question about it):
My system is not dual-boot, I run a standard Ubuntu desktop system "on the metal" (I think ...
17
votes
2answers
411 views
How do I burn multiple Ubuntu isos on one DVD?
I always find it a waste putting a 790MB Ubuntu iso on a 4GB DVD, and I was wondering how to put multiple operating systems on one DVD with a grub menu.
I know it is possible, but I just don't know ...
16
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3answers
10k views
How do I add a kernel boot parameter?
I need to add the boot parameter foo=bar to my kernel. How can I do this once for testing, and permanently if testing was a success?
16
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5answers
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How can I show or hide boot messages when Ubuntu starts?
Is there a way to easily turn on/off showing the boot messages (loading the services) when Ubuntu starts? Is it something in Grub2?
I am running Lucid.
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3answers
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What does the kernel boot parameter “set acpi_osi=Linux” do?
I am facing an issue with brightness control in my laptop which has Intel HD graphics. So when I searched for a fix I found that a common suggestion is to edit the GRUB file line,
...
15
votes
1answer
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GRUB complains of “no such partition” after installing 12:04
I have just installed 12.04. I previously had 11.10 installed, with /dev/sda6 as the install partition mounted at / and with /dev/sda1 mounted at /home. When installing 12.04, I duly selected the ...
15
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1answer
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What is vt.handoff=7 parameter in grub.cfg?
I wonder what vt.handoff=7 parameter does.
I can not find any good man for that...
BTW, if you have a nice descriptoon about :
search --no-floppy --fs-uuid --set=root
I would be happy :)
grub.cfg ...
14
votes
5answers
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I can't get grub menu to show up during boot
After trying (and failing) to install better ATI drivers in 11.10, I've somehow lost my grub menu at boot time. The screen does change to the familiar purple colour, but instead of a list of boot ...
14
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3answers
2k views
Why doesn't BURG replace GRUB?
BURG looks a lot better and user friendly than GRUB, at the same time it get the job done.
Why Ubuntu have not switched to it?
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6answers
1k views
Is there a way to manage my Grub menu options from with the GUI/desktop?
With each kernel update, a new entry is placed in Grub to provide a way to boot that specific kernel version.
I have about 5 at the moment and, to be honest, once I have confirmed I can boot into the ...
14
votes
2answers
2k views
How can I see what happens during the boot process?
On my machine booting takes more than a minute which is annoying when I see that Windows 7 boots in 20 seconds.
Here is what I get when the machine is booting.
How can I see what happens when ...
14
votes
2answers
28k views
How to set nomodeset for installation?
I know that editing the boot options line and adding 'nomodeset' solves my laptops problem during LiveCD mode, what I don't know is how to set it at boot up through Grub2 after I've installed Ubuntu.
...
14
votes
5answers
1k views
Is it safe to delete the old kernels from menu.lst?
When the computer starts, GRUB shows a long list of previous kernels in addition to the usual stuff, e.g.
Ubuntu 10.10, kernel 2.6.35-23-generic
Ubuntu 10.10, kernel 2.6.35-23-generic (recovery mode)
...
14
votes
2answers
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How do I set the grub timeout and the grub default boot entry?
Hello I'm newbie 2 ubuntu 12.04
How do I set the grub time and default os(that I see at the boot time) as I'm using dual boot OS(Windows 7 and Ubuntu 12.04)
14
votes
2answers
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How do I boot into a root shell?
When booting to the graphical desktop fails we sometimes are recommended to boot into a "root shell" or to boot in "recovery mode".
How do I do that?
14
votes
2answers
4k views
Is it possible to make GRUB2 look similar to burg?
I would like to stick to GRUB since it seems to be more actively developed and the entries are automatically updated after a kernel update. However I love the look of the Burg themes (especially ...
13
votes
2answers
661 views
One click shutdown Ubuntu and load into alternative bootup
I have a dual boot system with Ubuntu 11.04 and Windows 7.
My GRUB bootloader defaults to Ubuntu.
I mainly use Ubuntu, but I occasionally need to bootup Windows to do a few things.
If I need to do ...
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5answers
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How to change the purple background color in grub?
How to do this manually, not installing any tools?
13
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1answer
4k views
What do I select for “GRUB install devices” after an update?
After running Update Manager, a debconf window (titled "Configuring grub-pc"), popped up, requiring me to select the appropriateGRUB install devices for my system. I've made no changes to grub or ...
12
votes
1answer
2k views
Differences between GRUB, GRUB2 and BURG
I know Grub, Grub2 and Burg are boot loaders. What is the differences between the three?
12
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4answers
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How do I boot into console mode?
In previous versions of Ubuntu I could get the computer to boot into console mode by setting the variable GRUB_CMDLINE_LINUX_DEFAULT to "text" in the file /etc/default/grub and run sudo update-grub. ...
12
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5answers
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12
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6answers
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How do I get my blacked out ttys back? [closed]
Original Question:
After I replaced my Ubuntu 10.10 with 11.04 all I get when I Ctrl+Alt+F1–F6 into a tty is a black screen. Also when I boot there's a while of black screen after grub2 menu is ...
12
votes
3answers
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External USB drive won't stop after shutdown
After shutdown I notice that both the USB hub and the external USB drive remain active (lights on): the next time I try to boot the system hang after grub and I have to do a hard reboot. After that ...
12
votes
1answer
250 views
Customizing Ubuntu to run from RAM only, within GRUB options
I'm interested in exactly this up, now let me explain what would like to do with this. I'm preparing to buy 32GB of RAM and already have Quad Core. My idea is to implement another option in GRUB that ...
11
votes
3answers
459 views
Why is my boot menu getting longer?
This question is going to be little incomplete but I am sure you will guess what my problem is. So 2 days back When I restarted my machine I got 7 options on the Boot Screen instead of 5. Earlier ...
11
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2answers
4k views
GRUB2: Use maximum detected resolution?
How do I tell GRUB2 to set its resolution (and also the one passed to the kernel) to the maximum one it can detect at time of boot?
11
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3answers
3k views
How do I install BURG?
I found the source in launchpad for 11.04 and 10.10 but I don't know how to install or compile it.
10
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3answers
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How can I change/convert a Ubuntu MBR drive to a GPT, and make Ubuntu boot from EFI?
I recently have upgraded my PC, my new Motherboard (ASUS M5A99X EVO) uses UEFi instead of the regular MBR option.
I have a Ubuntu 11.10 installation that I did when I had my previous hardware (MSI MS ...
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5answers
4k views
How can I get some nice eye candy themes for Grub?
Grub is well Grub. How do I pimp it a bit with some nice themes?
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2answers
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How do I apt-get -y dist-upgrade without a grub config prompt?
Per Make apt-get (or aptitude) run with -y but not prompt for replacement of configuration files?
I did the following:
ec2run ami-3c994355 --region us-east-1 -n 1 -t m1.large -z us-east-1d
On the ...
10
votes
2answers
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How to reboot into Windows from Ubuntu?
I'm looking for a way to reboot into Windows from Ubuntu on a 10.10/Vista dual boot system. The specific use case is that I would like to be able to ssh into my running Ubuntu instance and issue a ...
10
votes
5answers
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How do I reset a lost password (using recovery mode requires me to type the password)?
I need to reset my password. I have followed these steps:
How do I reset a lost Administrative (root) password?
However, then I go to "root" or "netroot" recovery options, it tells me:
Give root ...
10
votes
3answers
230 views
Could it be possible to make a hot copy of a system?
I'd like to backup my system without turning it off. The system clone should also able to run in an other machine.
I've tried to "dd" the entire system partition on another disk, after that I'm ...
10
votes
6answers
16k views
How to boot live iso images?
I found that it can be done with loopback as follows
menuentry "Lucid ISO" {
loopback loop (hd0,1)/boot/iso/ubuntu-10.04-desktop-i386.iso
linux (loop)/casper/vmlinuz boot=casper ...
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votes
2answers
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GRUB: “invalid arch independent ELF magic” after install on SSD
I've got a brand new laptop with a 128GB SSD drive. I read that aligning the partitions to match the Erase Block Size of the SSD is important. I followed William Scott's guide SSD Tweaks in Linux and ...
10
votes
5answers
100k views
Recovering from 'grub rescue>' crash
I did a dumb thing... I forgot that Ubuntu 10.04 (Lucid) switched to Grub2 which puts a ton of *.mod files (kernel modules) in /boot/grub. I thought they were soundtrack files put there erroneously ...
10
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3answers
1k views
High resolution CLI?
I want the resolution of my console to match my screen resolution(1440x900). 1024x768 works fine but for some reason when I put 1440x900 when I switch to ttyX the command prompt is almost right off ...
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5answers
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Changing the default Grub font
I've been able to change the default font of Grub, by using
grub-mkfont -s 16 -o /boot/grub/grubfont.pf2 font.tty
and then adding the following line to /etc/default/grub:
...
9
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6answers
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How to install Windows 7 after Ubuntu and dual boot?
Just installed Ubuntu, full install removing prior OS. I was forced to remove 7 from my HP dv6 because of the max 4 partitions already being there. I didn't lose anything, all backed up. however now I ...
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4answers
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How to avoid problems when installing Ubuntu and Windows 7 in dual-boot?
I want to try out Ubuntu (and hopefully choose it as my primary OS). After looking at many versions of it in VirtualBox and from Live CD, I've finally decided to install it.
So I defragmented and ...
