Ubuntu :: How To Choose Default Boot Kernel
Sep 24, 2010
I am currently using Ubuntu Lucid on my desktop (stats are in my signature). I have an older computer, with an Intel i8xx chipset as my graphics card. This has had some instabilities on the previous two Ubuntu releases for me (10.04 and 9.10) which I am hoping will be fixed for Maverick, but thankfully the Ubuntu Wiki managed to provide me with fixes.
After much tweaking and some luck, I was able to get Ubuntu to work without constantly crashing on kernel versions 2.6.32-21, 2.6.32-22 and 2.6.32-23. Unfortunately, when 2.6.32-24 and 2.6.32-25 came out, I was unable to cease the crashes.
While I am still looking into tweaking the latest kernel version to work perfectly, I would like to know if there was a way for Ubuntu to default boot into a kernel other than the latest. This is because I want to run 2.6.32-23 by default (the latest kernel that I have tweaked properly) until I can configure 2.6.32-24 and 2.6.32-25 as well. I have less computer-savvy family members that use my desktop as well, and it would be a pain for them to have to press shift at every boot and have to select the correct kernel.
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Aug 16, 2011
I wanna use Windows Xp as default system because this laptop is not mine.I tried to use startup manager but it doesn't work. Do you know other way to choose the default os?
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Oct 2, 2010
A recent kernel upgrade broke nvidia and the network card. I figured out how to get the grub boot menu, but am having trouble figuring out how to set the default kernel to boot. I believe there used to be a file called /boot/grub/menu.lst that one could edit, but it doesn't appear to exist now.
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Jul 25, 2010
I'm using openSUSE 11.3 Ever since I started using Linux, I have had problems with Korean fonts. Now I think I am close to the solution. I want to know how openSUSE decide which fonts to use as the system default fonts.I know that I can change them in the Appearance -> Font dialog. But my questios is if those settings were just set as Sans (the default), how openSUSE choose what is Sans?I'm asking this because I found that if I copy Arial and consolas fonts into my ~/.fonts folder, then openSUSE uses them as the system defaults fonts. I don't know if this is correct behavior, but to me it seems very strange, and some applications such as Opera uses whichever fonts openSUSE uses as system default to render webpages, so I ended up having Arial for all my webpages open in Opera. So my questions are:1) How openSUSE decide which font to use as system defaults?2) Are font files in ~/.fonts folder supposedly regarded as defaults?3) Where are the setting files I can edit?
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Jun 20, 2015
So far I've tried to add a number to 'GRUB_DEFAULT=', but it wouldn't want to boot in anything other than Debian or Windows, same with StartUp-Manager...
I currently have the liquorix kernels installed, but I can't get to use them as the standard Debian kernel is always picked. So is there any way to change this behaviour?
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Jul 21, 2010
after upgrading to lucid lynx ubuntu doesn't boot with the new kernels 2.6.32-22-generic and 2.6.32-23-generic (also in recovery mode). But it's does boot with the previous 2.6.31-21-generic kernel. At the time i was hoping to wait it out, but a new kernel has come and the problem persisted. I've been trying to find a solution for this but somehow, amid lots of failed boot blank black screen threads, i didn't relate to any solution. The boot seems to go well until a pixelated logo appears (before the login screen), then goes to a blank black screen and there it stays stuck with no remedy. Looking into dmesg logs - albeit some differences between 2.6.31-21 and the newer 2.6.32-23 - the failed boot seems proper in both logs. In Xorg logs the differences are bigger but i cannot pinpoint a source for this 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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Jan 30, 2010
I dual-boot my machine and I want it to default to boot into windows so that whenever I restart the machine remotely from my home it will be able to get back into Windows (instead of Ubuntu).
The problem is that every time Ubuntu upgrades the kernel, I have to reset the default boot item of grub back to windows. This is because the grub menu loader uses positions i.e. 6 for default OS to boot. And when Ubuntu installs a new kernel it changes that order.
I am looking for a way to configure grub to remember its default boot item under kernel updates.
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Sep 29, 2010
Possible Duplicate:Make grub keep its default boot under kernel updates.I have just installed Linux with my windows 7 pre-installed and i got it working fine. Since i use windows 7 more than linux, i would like to have "Windows 7" option on the top of "Linux" option.
"When i have turn on my computer, the first thing i see is an Option asking me whether i want to use windows 7 or Linux and there's a countdown timer below it which is 10seconds countdown and if i don't select it on time, it will automatically select the first choice which at the moment i've got Linux pre-set as my first choice."
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Jul 5, 2010
How do i choose a previous Kernel without a GRUB?? I have a netbook with only Ubuntu (UNR) installed so every time i update my kernel and so on i cannot see/choose the kernel version i want (i believe it enters the most recent one by default). Is there a way to do that without a grub or i have to install it even if i dont have a second OS?
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Apr 26, 2011
In Ubuntu 11.04, grub skips directly to booting Ubuntu. I can't choose which kernel image it loads. Why is that and how can I fix that?
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Feb 16, 2010
I was extraction some file through command line then I encounter on notification from winrar. This file exist what u want to do
replace
never
quite
I don't want that winrar will prompt me to choose action. Everytime whenever this situation occur it will overwrite / skip that file
Syntax I am using for unrar
rar e -pmypassword filename
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May 25, 2011
Recently I had to a complete system install of ubunty 11.04 and win7. I installed unbutu first, then win7. Well when it was all said and done, I figured when I started, I would get the option to either boot in to ubuntu or win7,all I get is win7.Now I downloaded and installed EasyBCD2.0 configured it, but when I boot again I get either win7 or ubuntu. But when I choose ubuntu it doesn't show nothing. So how to I find ubuntu and get it to boot.
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Jul 21, 2010
differences between Kernel Default and Kernel Desktop? I've found some past threads like this link and this other link, and some other google info, which suggest the only difference would be the io scheduler. Also, I see the default grub choice is "Desktop" and not "Default", so I take this as a suggestion to prefer one over the other.
However, my broadcom 4312 wireless only works on the "default" and not on the "desktop" kernel, so I guess there must be other differences. I just want to evaluate which one is the less long-term risk option to go.
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Oct 31, 2010
With the startup disk creator on Ubuntu (Currently running Ubuntu 10.04 LTS) I realised you could boot Ubuntu from a USB and then install it onto the HDD if you wish to. *Side note* Still amazes me you can run a whole operating system from a USB memory stick drive *End Side note* Now My question is: 'Is it possible to have multiple distros of Linux on a USB memory stick and choose which one you wish to boot from when you boot up the computer?'I was hoping to get a seagate portable HDD ((here) and load quite a few different Linux distros on it to get a broader view of Linux than just Ubuntu (Although Ubuntu does rock ).
Is there simple ways of doing this? I have read around this forum and Google and a suggestion was given to install all of the distros onto the portable HDD/ USB memory stick and then install Ubuntu onto it last as its good for picking up other OSes in its GRUB. (Again if my idea on GRUB and its workings are wrong please point it out - got to keep learning)
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Sep 29, 2010
Just migrating to linux but I don't want to give up linux just yet so I've stuck in a 2nd hard drive to install linux on which I've done, now I have windows on one hard drive and linux on the other but my computer boots straight onto linux. I need the option to choose which os to boot into on startup which I've heard GRUB is the best option but I have no idea how to go about setting this up.
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Feb 29, 2016
Some thing quite bad happened to me , i installed debian jessie about 2 month ago. Today I wanted to try what a gnu/linux is like so I installed dragora 2.2 on one of my free partitions , (sda 1 is my debian root , sda2 is my debian home, I had sda4 which nothing was on it so i installed dragora on it. But something bad happened , during boot time you get this page which asks you what distro you want to enter in past I had just one choice and it was debian jessie, I expected after installing dragora I will see 2 distros on this page, but i get just 1 , and that's dragora ... but maybe i should mention this that when entering dragora i can access all my previous files , debian systemfile , debian home , they are still there but i can't enter debian jessie ...
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Jul 9, 2009
I have a drive... let's say SDA1 On that drive I do a F10 install.
Now I remove the drive and put another drive in and did F11 install on another drive in the SDA1 slot.
Now I put the other first drive in.
Now, F10 is on SDA1 and F11 is on SDB1.
What can I add to FSTAB and GRUB.CONF so I can choose which drive I want to use at boot time?
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Apr 2, 2010
I'm testing out 10.04 on one of my partitions, and I love it. I have been using it exclusively for a while now, I have not logged into Windows since! Really don't care about windows anymore!However, yesterday I went to boot into windows... and I noticed the option to choose it is missing from my list! Maybe I'm just not getting to the correct list? The list I get shows like 5 different modes and versions of Ubuntu and something called Windows Recovery (which does nothing), but that's it.
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Nov 1, 2010
i had debian linux and windows before but because of some problem in my windows i was persuade to change that but after installing there is no option in boot menu to choose my operating system ,after turning on win7 will work, what should i do? i need my linux immediately.
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Apr 19, 2011
I installed LXDE and want to choose each boot whether to run Gnome or LXDE. However Gnome gets started automatically without me being able to choose. Are there any config files I have to edit?
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Apr 7, 2011
i've got UBUNTU 10.10 installed on my laptop.After i turn my laptop on and the comp prepares 2 boot the OS,a screen asking me to choose which OS version i'd like 2 select.Now ideally i'd like jst 2 names on dat list namely-Ubuntu and win xp..But I've a host of other options as well like memory testblahblah'safemode'....wotevr....Is this ok 2 have so many OS startup options.Is there a way to get rid of unwanted stuff like changin the BOOT.ini file or in any other way???
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Nov 29, 2014
Basically I had windows 8.1 running on my fujitsu lifebook A532 laptop and wanted to dual boot kali linux alongside it, however upon installing the linux it deleted EVERYTHING! on my laptop, the grub bootloader only showed kali linux to choose from...
I then decided kali linux is too complicated for me and decided to delete everything and reinstall windows 8 again however I was surprised that my bios screen looks diffrent also I can not edit the boot sequence.
If I press f2 or f12 it takes me to a screen with a tab named Boot menu and its written on it debian and every time I press enter on it it takes me back to this same screen...
I can not boot from cd or usb!
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Jan 23, 2010
I know there must be a way to fix this, but cannot find anywhere how to do it.Problem is when I start up machine, it stops at bootloader asking for language "English" and then "Try Ubuntu without any change to your computer" from screen as if I were running a Live CD or DVD installation.to skip this step so my USB boots normally like a harddrive?
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Apr 23, 2010
how do I make grub boot to allow me to choose, like safe mode and normal mode and all that second, how do I do automated back ups (preferably using file copy) for something like every sunday at 11:00 am using the command line, i use to know but forgot.
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Sep 11, 2010
I can choose which kernel I want to boot by default, instead of having to hold the shift key down every time I want to choose the kernel I want to boot into. I am running multiple kernels.
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Sep 16, 2010
I'm new to linux, and I'm just trying to learn OpenSUSE. I just installed it and I have a few quick questions. #1 I accidentally installed the "OpenSUSE Installer (LOCAL)" on Windows 7, so now I get the option to choose windows or the installer at the windows boot screen. I ended up just installing OpenSUSE on a completely different HD (my original intent) from a burned DVD, so this installer is useless and I don't know how to remove it.
#2 After installing opensuse on my second HD, the boot screen is now SUSE's instead of Windows, and I can choose suse's desktop, the suse failsafe, windows 1, and windows 2. Windows 1 brings me to the windows boot screen with the choice i mentioned above (windows or the local installer i accidentally installed), and windows 2 i assume is my second windows partition which is just my SWAP file, and selecting it does nothing (which would make sense if thats all it is).
My question here is how do I make it so my default boot screen is the windows one with an option between windows 7 or suse? Or would this require reinstalling the system? If it does and its simple enough to explain please do I wouldnt mind removing it and reinstalling at this point, I would just wipe my whole second HD from windows.
#3 I have a netgear adapter. unfortunitly i'm not at home right now and I don't remember the model, so I'll provide that this evening if necessary. What I do know is they do not have a driver for linux. I've found ACX100, but I didn't find my netgear adapter listed on their website. I also found NDISWrapper, but thats for XP and I still don't know if that'll work. I will of course try both unless someone here has a better solution. If anyone knows anything that will work on any netgear adapter for linux please let me know, if not then I'll provide the model later on.
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Jan 8, 2010
I am installing a new large 4 Tb RAID (hardware) under 9.10. Does GPT support come by default in the new 9.10 kernel? How can I check? I gather I need to use PARTED to make a GPT partition table on the raid. Anyone know details of how to do this? [URL]...
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Jul 21, 2010
I have Lucid on my laptop. Unfortunately, with the various 2.6.32 kernels neither hibernate nor suspend work, so I've installed and use the last 2.6.31 kernel that came with Karmic.Now, I'd like to set it as default, so that I don't need to actively choose it when I boot. The problem is that I can't find a way to set Grub (version 2.0, or 1.96rc, can't remember) to pick the 2.6.31 kernel and if I try to uninstall the 2.6.32-23 kernel synaptic says that linux-generic and linux-headers will also be uninstalled (not just the parts specific to 2.6.32-23).
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Apr 28, 2011
After Upgrading to 11.04 32bit, the PAE Kernel loads by default. This would be great except it hangs probably due to graphics not loaded properly.
Regardless I do not want to use PAE Kernel on this dev system I have and luckily it looks like the Generic Kernel of the right version is in a sub-Menu called Older Linux Versions.
I have played with Grub2 before making minor changes but this one is a little beyond me. How can I move the regular Generic Kernel from the sub-Menu and make it my default Grub2 kernel so I boot to it automatically.
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