Ubuntu :: Change Boot Parameters In Grub2?

Aug 10, 2011

I have a mental block whenever I'm confronted with anything to do with grub2. Changing things in menu.lst was SO much simpler....

I want to include the command 'acpi=off' - but where do I put it? Can I change the detail of an existing grub entry in this way, or do I have to create a complete custom menu entry in grub.d and include it in that?

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Installation :: Grub2 Not Passing Parameters To Kernel?

Sep 8, 2010

I have installed grub2 on a flash drive to boot some os's that I want to carry around. But in grub.cfg when i put this:

Code: menuentry "BackTrack Persistent" {
set gfxpayload=1024x768
linux/backtrack/boot/vmlinuz BOOT=casper boot=casper persistent rw quiet
} it does exactaly the same thing as this


I'm thinking of filing a bug report but I want to make sure i'm not doing something wrong first.

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Ubuntu :: Grub2 - How To Change Default Boot OS

Jan 6, 2010

How to remove OS's from the GRUB boot menu, and also, how can I change the default booter from Ubuntu to a different OS and edit timeout?

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Software :: Grub2 Boot Entries Don't Change?

Feb 6, 2010

My grub2 boot entries never change. I have run sudo update-grub and it finds all the proper kernels and such and says that it has updated. I check with the menu.lst and grub.cfg and they both look to be correct

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Ubuntu :: GRUB2 - Change Display Order Multiple Boot Systems

Jul 30, 2010

I've just got a question about this. What if you wanted to change only the display sequence in Grub 2 (Ubuntu 9.10) and not which o/s boots first or is the deault o/s? In previous versions of grub you could just copy & paste the lines in /boot/grub/menu.lst, but this version of grub doesn't allow you to edit /boot/grub/grub.cfg...

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General :: Windows - Change The Order Of All Boot Entries In GRUB2 Not Just The First?

Jun 19, 2011

It's quite easy to change the default boot entry through etc/default/grub. However, this only allows for the first entry to be changed. I want to be able to move all the entries in any order I like. What is the best/easiest way to do this?

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General :: Change The GRUB2 Boot Loader Background Image?

May 1, 2011

i've started off using linux with ubuntu 10.10, and then i moved to linux mint 10 kde, and after finding out that it didn't support my hardware, in specifically my graphics card, i switched back to ubuntu 10.10, and from there i upgraded to 11.04. i hated the gui so i switched it from ubuntu to ubuntu (classic) environment. i also installed kubuntu-desktop too, and it looks a lot like mint 10 kde, i guess it uses kde 4.6, but... it's more stable for me. anyway, what i mean is that, originally ubuntu had a black background, linux mint 10 kde had a pretty cool custom mint background, ubuntu 11.04 has a purple background. i looked on videos, i found people using customized backgrounds, but they either don't explain how they got it *like for instance, someone said opensuse 11 or 13 has an icy penguin animated background, and someone else had one that you could scroll through.* or it's too complicated or outdated. is there a simple way to change your grub2 boot loader background image?

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Ubuntu :: Change The Background-image With Parameters?

May 31, 2010

I need to do a script to change the background image. I can do this with this command

PHP Code:


that work's fine but i need send some parameters to the background image

1)I need to set the style(mosaic, center, etc)

2)I need to set a color(because the image is smaller than the resolution)

I can't find how set this two parameters

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Ubuntu Installation :: Grub2 Can't Load Window 7 After Recovered Grub2 Using Live Cd To Boot Windows 7

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


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Ubuntu Installation :: Grub2 Dosn't Save Windows As Last Selected + Boot Into Cdrom From Grub2?

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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Ubuntu :: Change Queue Parameters Dynamically During The Simulation Under NS2 Simulator?

Sep 19, 2010

I want to change parameters of a RED queue during the simulation but it seems that some parameters can be modified only before starting the simulation, not dynamically, while the simulation is in progress. For example the following subroutines works before $ns run command but it do not change the behavior of the queue during the simulation( I want to change maxthresh_ and thresh_ after $ns

run command): Code: proc setREDParameters { redQueue MINth MAXth PER_MaxP Wq } {
$redQueue set thresh_ $MINth
$redQueue set maxthresh_ $MAXth


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Software :: Change The Value Of Positional Parameters Inside A File?

Mar 26, 2010

I was wondering if there is a way to change the value of positional parameters inside a file.I mean, i want to change the value of a certain field of a file to the one i provide with?

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General :: Custom TCP Parameters For Multiple Interfaces - Change The Default Values

Feb 16, 2011

My question is about TCP parameters in Linux. By now, I want to change the default values of:

Initial Timeout
ACK Delay
Idle Connection Timeout

I have a Linux Box with kernel 2.6.x and 2 ethernet interfaces. I know TCP is a stack that doesn't have anything to do with ethernet devices. Said that, the question: is there a way to set custom values for each interface? For example, a server listening to connections in eth0 would use one value for Idle Connection Timeout and another server listening to connections in eth1 could use a different value for that parameter.

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General :: Change The Parameters Of In-built Gspca To Increase The Image Quality?

Mar 24, 2011

I'm using Logitech WebCam on fedora 11 and running webcam server to capture the images on the browser.. it works fine but the image quality is poor...could anyone suggest me how to change the image quality by passing parameters via command line??I tested Video quality on cheese as well, which is poor too..I searched a lot in google for a solution but no use... i got some patch but couldn't install that since the gspca driver on my fedora 11 is in-built..

Output of lsusb
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 002 Device 020: ID 046d:092f Logitech, Inc. QuickCam Express Plus


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Ubuntu :: How To Edit Kernel Boot Parameters

Jun 18, 2010

Ubuntu 10.04 Gnome IBM Thinkpad 600e.I am trying to get sound going in my 600e which has the wrong chips in the sound card. I found some notes from 2008 that said in one of the steps to add the following to my kernel boot parameters: noapci nolapci notsc acpi=off pnpbios=off pci=noacpi

It said to hit the Esc key when I see the Grub Count on boot up to get into the kernel boot parameter's editor. However, I am not seeing any Grub Count and pressing the Esc key every second during boot up doesn't seem to get me there either. I have been searching for how to edit the boot parameters but no luck so far.

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Ubuntu Installation :: Setting Boot Parameters For 10.10?

Apr 28, 2011

My keyboard doesn't work after the bootloader.

I've read that I need to add "i8042.nopnp=1 i8042.dumbkbd=1" to the boot options.

I have a 10.10 factory disk.

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Ubuntu :: Pass Parameters To Grub At Boot Time?

May 2, 2010

Old Toshiba laptop model A30 -- tried various installs 8.04/9.04/9.10. They all hung trying to boot the install disks after the initial few screens. Finally, I got 9.10 to install, dual booting XP and 9.10 by choosing F6 from the initial menu, and putting an X beside:


and then hitting escape.But, after the install, I couldn't boot 9.10 from grub as it hangs after about 30 seconds of trying. The live CD would not work without the above parameters being set as described above, but does work with them set! I need those same parameters passed to grub at 9.10 boot time, but I can't figure out how to do that. I've had many successful installs of Ubuntu across a number of desktops and laptops, but I never had to deal with the guts of grub before. It all just worked.

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Debian Configuration :: Permanently Add Boot Parameters?

Mar 12, 2011

I installed Debian 6 last night on an older Compaq. For the system to properly reboot and shutdown when requested, both acpi=force and reboot=warm must be in the boot parameters, this was required with other Linux distros installed on this hardware. Otherwise, the system erroneously shuts down when reboot is chosen.

I would like to know how to permanently add these so they pass each time the system is turned on.

I already added these to /etc/default/grub (and ran update-grub afterwards) and at the next startup, noticed they were NOT in the parameters when "e" was pressed at the boot menu.

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Debian Installation :: Setup Installer Boot Parameters

Jul 16, 2015

I'm making some tests with Debian Setup.

As reported by the docs [URL] .... there are some boot parameters available for the Debian Installer.

I would like to try a setup setting the base-installer/install-recommends to false.

This can be done via preseeding, but I'd like to try it out setting the boot parameter.

I've tried several combinations but no one has been effective.

What is the syntax for setting the base-installer/install-recommends parameter to false at boot time?

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OpenSUSE Install :: Mkinitrd And Encrypted /var - What Boot Parameters?

Aug 16, 2011

I've installed opensuse 11.4 by doing a network install, (boot off kernel + initrd, everything else is fetched off network) and i skipped the bootloader part because i've already got two other linux systems set up with grub2 on my computer. I picked the minimal server install (text mode) and didn't make any other software selectiono changes.

My partition layout is as follows

ssd drive contains / partitions for distributions (GPT layout) hdd drive contains encrypted lvm PV (PV on a luks partition). inside that PV is a VG with volumes for /home and /var (and other), where each distribution has its own /var.

The problem is that i cannot get initrd to open the luks properly. i tried chrooting, rebuilding the image with mkinitrd -f "lvm2 luks" ( i saw that somewhere on opensuse wiki, i think ) and adding boot parameters like this : lvm_box=/dev/disk/by-uuid/<luks partiiton UUID> lvm="box" (where box is the name of the lvm array).


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General :: Make Boot Parameters Permanent In Sugar?

Feb 2, 2010

I have a generic monitor which has problems with many Linux distros. We can boos Sugar on a Stick v2 by pressing <tab> at the Sugar splash screen and adding the boot parameter "nomodeset". I'm handy enough to do this, but my wife, well, not so much. So is there a way to make that boot parameter permanent?

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Ubuntu :: HP Envy 14 - Boot Into Live CD Without Changing Any Parameters Results In A Black Screen

Feb 8, 2011

I own an HP Envy 14 [url]. Letting Ubuntu (or any Linux) attempt to boot into a Live CD without changing any parameters results in a black screen, but with everything else working (for Ubuntu, that means the login sound is played). I've discovered that putting nomodeset in the kernel line will allow me to get so far as a command line, but I can't startx from here (I get "Screen(s) found, but none have a usable configuration."). I think my issues have something to do with the dual/switchable graphics in my laptop.

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Security :: Change Values Of Parameters For Iptables "recent" Match?

Dec 8, 2010

According to the man page, the "recent" match of iptables accepts certain parameters (e.g. "ip_list_tot"). I'd like to change the values of some of them.
All the solutions found on the web were about changing parameters for module, but my kernel was compiled without modules support (such that it can be used for installation booting as well).
How can I change the match parameters for my non-modular kernel ?

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General :: Find Out Exact Kernel Parameters When Corrupt Boot Loader?

Feb 8, 2010

How do i find out the exact kernel parameters (from the grub config file) when the boot loader is corrupt. Seems like a catch 22 that I need the exact boot parameters when I cant get to a prompt to read the grub.conf file to being with.

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Ubuntu :: Change The Menu In Grub2?

Jan 5, 2010

easy way to change the menu in grub2 , was used to editing the menu.lst but it`s gone i know theres a new file called grub.cfg that is done on the fly.

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Ubuntu :: Updating Grub2 After Theme Change?

Jan 11, 2010

I changed the pic for the theme in 05_debian_theme but when I got to update-grub I get this:

Generating grub.cfg ...
/etc/grub.d/05_debian_theme: line 43: syntax error near unexpected token `fi'

I have looked at a sample debian_theme file mine looks the same except for the name of the pic. the 'fi' is the one after the EOF.When I pasted in the image name I put .tng so I back spaced that out and there is still a '.' after the image name.Can I just restore the 05_debian_theme file without rebuilding the grub?

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Ubuntu Installation :: Grub2 - How To Change Resolution

Mar 6, 2010

How I can get Chainload into Grub2 to show up as an entry in Grub, I just installed Karmic a week ago on my laptop. I want to set Grub to use this theme. I'm using a netbook, how would I change grub's resolution to 1024x600.

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Ubuntu :: Automatically Change Default In GRUB2?

Dec 15, 2010

So I have Windows 7 and Ubuntu dual booted on my computer, and the default is Ubuntu. I was wondering if it was possible to make it such that the default is the last booted system? As in, if I was in Windows, and restarted, then GRUB would highlight Windows.The mainmotivation is to for when the computer restarts automatically (say after an update). I may not be around during the 10 seconds before it boots into Ubuntu.

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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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Ubuntu Installation :: Grub2 - Dual Boot Karmic / Unable To Boot Into Archlinux Partition

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:-


Following the Grub2 tutorials I have tried editing /etc/grub.d/40_custom as follows:-


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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