Ubuntu :: Cant Use Usual Ways To Increase Timeout On Grub Menu
Apr 6, 2011
I have an Alienware M11x r2 laptop running Windows 7-63 and Ubuntu 10.10 Unity installed.It was all fine and dandy until I changed my grub timeout to 1 sec (or perhaps 0, its been so long i can't remember!) to reduce the waiting time until an OS boots.My grub was set to boot to Windows 7 as default.Now when I boot up I cannot halt the boot process not matter what key I press (e.g SHIFT).I am doomed to forever boot into Windows. Its been months and I had written off my Ubuntu OS but I am tempted to try and fix this one more time.Since I cannot access the Ubuntu installation AT ALL I cant use the usual ways to increase the timeout on the grub menu (yes I have searched the forums far and wide).
Is there ANY way of changing the grub menu parameters without actually booting into Ubuntu Unity? Can I modify the timeout settings using a live cd or usb boot?
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Aug 22, 2010
I am trying to edit grub so that it doesn't timeout the menu. I've found a lot of solutions to this where I edit menu.lst. However, this file is blank when I open it. I just upgraded to Lucid and kept a lot of my old grub settings (I had customized it somewhat). Also, I am not sure if I have grub or grub2. How can I figure this out?
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Feb 28, 2011
I have been unable to locate an answer to the below.Just installed 10.10 server and noticed that during boot each time the Grub Menu pops up. I have to manually press a key on my keyboard each time to get through this menu. This is a big problem as this is going to be administered remotely. here is my /boot/grub/grub.cfg file
Code:
# DO NOT EDIT THIS FILE
#
# It is automatically generated by grub-mkconfig using templates[code].......
Now, It seems to me that with the settings above that menu should time out after a few seconds but it is not. I must press enter each time.how I can get this damn thing to timeout after a few seconds?
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Aug 5, 2010
I was wanting to use StartUp-Manager to increase the resolution of the GRUB menu and the boot logo screen. Changing the resolution for the GRUB menu works fine. But the Ubuntu logo that should show up during the boot process is all scrambled across the screen. I tried multiple resolutions to fix it and none of them work. How do I restore everything back to their defaults? I tried putting the numbers all back to where they where when I first ran StartUp-Manager but that didn't fix it.
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Feb 4, 2010
I can transfer file at 2MBps using ftp.I need to increase it to 5MBps,I tried changing following values in /etc/sysctl.conf # increase TCP max buffer size setable using setsockopt()
[Code]...
but then too there is no change in the transfer speed.Can anyone please guide me how to increase the ftp transfer speed.I am using vsftp.
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Oct 9, 2010
My Ubuntu laptop's screen goes black in about 10 or 15 minutes. I went into Screen Saver setup screen. Timeout when computer is considered idle there is set to 30 minutes and black screen screen saves is picked.
Why screen goes black after only 10-15 minutes and not 30 minutes?
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Feb 12, 2011
I accidentally set "timeout" to 0 in /boot/grub/menu.lst . have dual booting Debian and WinXP.The default is WinXP.I am not able to reconfigure it. what should I do?
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Jun 1, 2011
I'm using natty, and in power management settings the maximum time I can set to put my pc on sleep after being idle is 2 hours, how can I increase this time? I need to put it on at least 4 hours.
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Dec 28, 2010
how I can setup the grub2 menu so that it does not timeout? What do I need to set in the configuration file? I did it once before on my old computer but forget now what I changed.
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Jul 28, 2009
I am testing my crash recovery strategy for my linux system and I am having trouble with GRUB. I am basically restoring my backup (i.e. tar) unto a different hard drive, but I am having problems getting the machine to boot without me having to type the GRUB commands at the GRUB prompt that is presented when the machine boots up off the new hard drive. I have tried to restore the MBR in two ways (the 2nd one is the one that gets me to the GRUB prompt):
1. Get the MBR off the original drive and write it unto the new drive (all via dd), but that did not work at all: the machine hangs right away during boot up. It seems to hang right at the point where the BIOS tries to read the MBR.
Code:
On original drive:
# dd if=/dev/sda of=mbr+part.bin bs=512 count=1
On new drive (new drive is now in place of original drive):
# dd if=mbr+part.bin of=/dev/sda bs=1 count=446 conv=notrunc
2. By using the FEDORA rescue CD, I installed grub unto the new hard drive as follows:
Code:
# chroot /mnt/sysimage
# grub-install --root-directory=/boot hd0
reboot and remove FEDORA CD Using the 2nd option above, I get the GRUB> prompt during bootup. I can then boot into the system by issuing the commands that are in the menu.lst file, followed by the "boot" command. However, I would like for those commands to happen automatically, just like in the original configuration. It seems to me that GRUB is actually finding all its stage files because I doubt the GRUB program (the one displaying the prompt) fits entirely in the 446 bytes it has on the MBR. So, it must be loading its stage 2 (and stage 1.5??) files from my /boot partition. However, if GRUB is loading its stage files off the boot partition, why does it not load/read the menu.lst/grub.conf contained in the boot partition also?
Code:
# ls -l /boot
total 22888
-rw-r--r--. 1 root root 1274567 2009-05-27 16:39 System.map-2.6.29.4-167.fc11.i686.PAE
-rw-r--r-- 1 root root 1274538 2009-06-16 22:27 System.map-2.6.29.5-191.fc11.i686.PAE
[code]....
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Jul 30, 2011
Im trying to run a headless box but grub has no time out so it sits until I plug in a keyboard and hit enter. I have tried to put a timer on using 'startup-manager' but this seems to be ignored.
When it boots I get GNU GRUB version 1.99~rc1-13ubuntu13 and a list of operating systems. Unless I hit enter it will wait forever.
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Nov 8, 2010
I am running Ubuntu 10.10. Grub timeout is not working and I have to press enter every time I switch on the computer after the Grub menu loads. Here is my /boot/grub/grub.cfg file
#
# DO NOT EDIT THIS FILE
#
# It is automatically generated by grub-mkconfig using templates
# from /etc/grub.d and settings from /etc/default/grub[code]......
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Feb 22, 2010
I just installed kubuntu 910 via cd iso. now i want to change the default grub timeout. It says i dont have permission to edit etc / default /grub so what do i do? i dont know how to login as root user.
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Oct 28, 2010
Just installed kubuntu 10.4 on a netbook (dual booting with WinXP) but by default grub just boots directly into kubuntu. When editing /etc/default/grub I have tried setting the timeout to 10, 100 and now its at -1 (which should be sit there forever)I then run update-grub which generates the new config reboot and the same thing happens, it immediately boots to kubuntu. I see the menu appear for a split second, but no matter how fast i try, i cannot see to hit any button fast enough to kill the timeout so i can switch to XP.
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Dec 21, 2010
I have accidentally changed the grub timeout to 0 seconds. My default boot is also set to windows xp so there is currently no possible way to boot into ubuntu. how to change the grub timeout without needing to startup into Ubuntu.
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Oct 17, 2010
Yesterday I upgraded from 10.04 to 10.10 (x86_64). The upgrade itself succeeded, but now after booting I have to press enter in the grub OS list. grub.cfg looks like this:
Code:
# If you change this file, run 'update-grub' afterwards to update
# /boot/grub/grub.cfg.
[code]...
Why do I have to press enter to have grub boot the default entry? How can I get grub to start the default entry automatically, without showing the menu? BTW: entries in the list are default:
Code:
Ubuntu, with Linux 2.6.35-22-generic
Ubuntu, with Linux 2.6.35-22-generic (recovery mode)
Memory test (memtest86+)
Memory test (memtest86+, serial console 115200)
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Apr 19, 2009
here is my grub.con
# grub.conf generated by anaconda
#
# Note that you do not have to rerun grub after making changes to this file
[code]...
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Jul 25, 2011
I'm running Slackware 13.37 with XFCE. I'm trying to increase the menu button size. I remember having succeeded in doing this with XFCE 4.2, but I unfortunately forgot to write down how I did that.
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Nov 20, 2010
my Setup is Fedora 14 x64 + radeon hd 4830 i've downloaded .run package from ati site with latest driver for x64 systems. installed it, but didn't edited grub.conf becouse i didn't understood anything there (probably didn't spent enough time to get things understand) Now i've lost possibility to enter my Fedora system. during boot it lost it's modern blue boot screen (with filling drop), it was replaced by standard old boot screen with triple-color stripe. after this boot screen monitor start blinking going on and off. and on last step i'm getting "Fedora 14 boot bla bla bla something" on screen. nothing works except Ctrl+Alt+Delete. system reboots showing successful daemons shutting sequence. How can i edit grub menu from initial grub screen is it possible to it's own 'e' option or 'c' from grub command line?
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Mar 29, 2010
I have an RHEL 4 server now running 2.6.9-89.0.18. After installing the kernel and rebooting to make this the current kernel, the grub menu to choose the kernel failed to offer a countdown and did not choose the kernel as it should have. I had to manually select the kernel.I inspected the grub.conf file and could not find any clue as to why it didn't work. The timeout directive is there, and the syntax matches other systems we have with the same kernel and OS.Can anyone provide any insight as to what else (other than a typo on the conf file) would cause this?The only difference between the way the kernel update (and the subsequent changes to the grub conf file) took place was a manual install of the RPM on the affected system, versus pulling it down from RHN using up2date.
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Feb 15, 2010
How would i go about to changing that to 30? I have two testing servers using the same monitor and mouse, so i have to log onto those first, if i want to have access to my files. On the server at startup. (I have set up a basic samba server)
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Aug 4, 2011
I set the default os to boot as windows 7 with a timeout of 1 second. I thought that this would be enough time to switch os ubuntu when i need to, but I am unable to. How can i reset the timeout to 3 seconds? I also cannot view the ubuntu partition within windows because of ubuntu's file system.
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Feb 15, 2010
9.10 has no menu.lst file and hitting ESC to does not bring up the grub menu. How can we set bootup options or boot an alternate kernel? I would really like to set the resolution at boot time so that my console (Ctrl-Alt-F5, for example) has 80 columns instead of 40. (What a stupid default, gigantic Commodore-64-like text!) It would also be nice if the Login screen could be set to the resolution that I want.
In previous releases, there were ways to do this. In 9.10, I haven't been able to figure out how.
Is there a document explaining all of the radical changes?
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Apr 29, 2010
I want to edit the GRUB menu in ubuntu but Menu.1st is missing.When I open the /boot/grub.cfg from terminal I cant save it.
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Apr 22, 2011
9.10 has no menu.lst file and hitting ESC to does not bring up the grub menu. How can we set bootup options or boot an alternate kernel? I would really like to set the resolution at boot time so that my console (Ctrl-Alt-F5, for example) has 80 columns instead of 40. (What a stupid default, gigantic Commodore-64-like text!) It would also be nice if the Login screen could be set to the resolution that I want. In previous releases, there were ways to do this. In 9.10, I haven't been able to figure out how.
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Nov 1, 2010
I got ubuntu 10.04 lucid lynx along with windows (dual boot) and using Grub. On my computer, I have my C:/ (programs) and D:/ (data). I've never used my D:/ before that day that I've lost my windows partition on my grub menu. I usually use my D:/ with windows. The first time I used my D:/ to store data with linux, I lost my windows option in my grub menu. I'm not sure what I did wrong but I do want to restore my windows option in my grub menu.
After "fdisk -l",
I checked in /boot/grub and there is no menu.lst to modify. how I can get back my windows option in my grub menu ?
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Dec 22, 2010
The first is I seem to have 3 GRUB installs. So whilst I update the one from my live session, the change does not appear in the boot up menu. I had installed 10.10 from a CD into a different partition (sda6), but that will not boot, so I have just deleted this and done another grub install and update. The kernel I am using has just been updated from 10.04 to 10.10 too, and it is this that I use and the Grub I have been working on (sda5).
[Code]...
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Aug 19, 2010
When I start the computer the boot menu doesn't prompt, when I try to load it manually it doesn't prompt neither, it just reset the command line.The grub.cfg was generated by update-grub.It's really annoying to load the kernel manually each time the computer starts.
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Apr 19, 2011
I updated my grub yesterday using the command:
Quote:
sudo grub-update
and I rebooted and grub menu not coming now. I have a dual boot with Win7. Ubuntu 10.04 is installed with WUBI. I can run WIN7 but can't run Ubuntu now.
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Jun 5, 2009
I've got myself the curious situation where, when I boot the system, I can get grub to start, but it always drops to the prompt.
I can run:configfile /grub/menu.lst
and this brings up the menu with no problems, and from there I can boot the system to either linux or windows. What I don't understand is why it wont go to the menu in the first place?As far as I can tell, grub/Kubuntu got confused when installing, as each of the hd#,# settings in the menu.lst have needed tweaking to let the system boot. (e.g. windows is actually hd0, but the original install had it at hd2. Likewise linux is on hd1, but the menu.lst had it at hd0). I've happily tweaked these to make the system boot, but would appreciate any help in convincing grub to actually load the menu without me having to use the prompt.
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