Ubuntu Installation :: Can GRUB2 Work As Independent Bootmanager?
May 25, 2011
I assume that I have not understand grub2 correct and need help.In the past I have used grub legency in the following configuration.SDA6 = 2 GB partition ONLY for grub as bootmanager.I have sda1-sda3 and sda7 to sda9 as system partitions.As backup I used TAR to an nas system and this way I could restore any partition from the tar file to any partition on my harddisk.The only part which I did manual was edit FSTAB on the recovered partition and modified the grub menu.cfg.This way my bootmanager was independent from any operating system and partition (except sda6).When I replace the harddisk, a recovery of grub legency was easy and after I copied the backup files back to sda6, I could continue to to restore the tar files and my system was up and running again.
Now with grub2 each linux installation thinks it is the master of my harddisk and takes over control from my sda6. Yes it discovers other linux versions etc but I loose control over my bootmanager.How can I use grub2 with an independent bootpartition (sda6) and how can I configure this bootpartition (sda6) from each installed linux partition? With other words no FIXED linux partition is responsible for my bootmanager. for someone asked why I need more versions of linux � the free vmware server 2 does not work on newer versions of linux. The latest vmplayer can not work with newer version of firefox. This is ONLY an example why I have more as one version of linux.
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Jan 29, 2011
I run plop bootmanager - [url] to load live linux distros from the usb drive on the PCMCIA card. This is because grub2 doesn't yet support the pcmcia drivers and I wanted to make use of my old laptop.
I run the instruction on how one should install ubuntu on a usb stick from [url].
The process goes through when I see the live CD screen where it lets me try Ubuntu without installing. The splash screen comes up and all and remains there for sometime but after that it stops and then I get this error:
Its trying to search for my cdrom drive when it shouldn't as I have it on usb drive!
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Mar 16, 2011
I have a dual boot system. I need dual boot as my dictation software is only available for Windows. In the future I am going to try a virtual machine, but dictation and audio did not work properly the last time I tried in VM. But unfortunately for now I have a dual boot machine with Vista and Debian 6. Unfortunately, I am going to have to reinstall Vista. Or to be more accurate I'm going to install the 64-bit version instead of the 32 bit that came with the computer. I have the 64-bit version that I no longer use from one of my other computers.
Anyway, I have to install Windows which will overwrite my grub2. Is there anyway I can make a backup or reinstall grub2 after I install Windows. I really don't want to reinstall Debian 6 squeeze. Can they make some sort of a backup of gurb2 before I do this. I checked out the Internet and I found something called Super Grub2. It apparently will allow me to boot back into Debain 6 so that I can install grub2 again. Assuming, Super Grub2 even works then how do I reinstall grub2 once a boot into Debian 6? Has anybody tried Super grub2, does it work? It's kind of hard to test it, with a working version of grub2.
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Feb 12, 2010
Though I kinda do wish that I could just fully migrate to Fedora (or Linux in general), I still do need Vista for some things (like, until I can get this mess with my tablet and speakers sorted out). However, when I tried to boot into Vista this morning (by selecting "other" in GRUB) it said "BTMNGR is missing. Press Ctrl-Alt-Delete to restart."
Will I have to use the Vista Home Premium installation disc to fix this? Surely, telling it to automatically fix startup problems would work, right? I'll try later today PS This problem could also be related to my other 'yum update' problems. All of my problems started when I performed a whole kernel update, so that could also be why I can't boot into vista.
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Oct 13, 2010
I ran 'sudo apt-get install python', which completed successfully. According to [URL] this should have created the directory /usr/lib/python2.6, but I do not see any such directory.This is causing problems:
$ python
Could not find platform independent libraries <prefix>
Could not find platform dependent libraries <exec_prefix>
Consider setting $PYTHONHOME to <prefix>[:<exec_prefix>]
[code]....
I've tried 'apt-get purge python' and then reinstalling but this has not resolved the issue.
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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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Jan 4, 2010
Lost Windows 7 Bootmanager after Fedora. Need to Boot Windows 7 but am at a loss of where to begin. I simply want to use a Boot Manager (BM), any BM to boot either Win7 or Fedora at will. I can now only boot Fedora. I have read for 2 days and nothing is very straightforward or clear as to the problem and how to recover Win7. Everyone seems to be talking around the problem as if its a trade secret. I am not the enemy. I will try to write a simple straight forward post to assist others who wind up in this dilemma. Below is, both, a copy of my dirve's layout and my current Grub configuration.
Fedora 12 boots fine. Windows7 is NOT in the GRUB menu.
fdisk -lu shows:
# fdisk -lu
Disk /dev/sda: 160.0 GB, 160041885696 bytes
255 heads, 63 sectors/track, 19457 cylinders, total 312581808 sectors
Units = sectors of 1 * 512 = 512 bytes
Disk identifier: 0x2afbc966
[Code]...
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Mar 26, 2010
i am running lenny. and at some point my grub started exibiting a strange problem. Grub will not display all the kernels that it finds, it only displays 2 of them out of the 5 grub was finding.the system is working and boots just fine.
I attempted to install GRUB2 which went ok. since my system booted ok i removed GRUB that operation was sucessful and it deleted all the grub files that were not needed.but my system is still booting into grub with the same 2 kernels.Could someone tell me what i can do to either get grub or grub2 to work?
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Feb 7, 2010
This tutorial is meant for Ubuntu 9.10 Karmic Koala, but it might work in earlier or later versions as well. I wrote this tutorial mostly because it took me a full day of work using lots of help from people on #mpd and #pulseaudio from the FreeNode IRC server.The goal is to get the MPD daemon working using PulseAudio, but without it being dependent on the X server or a session. To do that we must configure PulseAudio to run in system-wide daemon mode (which is not recommended by the developers, but in this case we do not have a choice). This means it will be using the /etc/pulse/system.pa config file instead of the usual /etc/pulse/default.pa. We must also make sure the appropriate user/group permissions are set, or PulseAudio will be rejecting the connections.The result will be an interrupt-less music environment, not dependent on the X server. Meaning we can for example log out and log in without the music having to stop for even a second. Switching TTYs (Ctrl+Alt+Fx) will also keep the music playing (not possible by default). All that and PulseAudio will still be able to detect and configure all your devices automatically.
Instructions: Make sure you add your username to the following system groups: pulse, pulse-access and audio.Do that by going to System --> Administration --> Users and Groups.Click the unlock button (the one with a picture of some keys), then click Manage Groups. In the list of groups that pops up, for each of the previously mentioned groups click "Properties" and select all the users that you want to have this functionality.
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Jul 4, 2010
I'm buying a new memory stick online, but on the page I'm buying it from, it says "OS Required: Microsoft Windows XP, Apple MacOS X 10.1.2, Microsoft Windows Vista / 7" so I'm wondering does this mean it won't work in Linux (Ubuntu)? Because i thought that flash drives were independent of OS.
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Oct 22, 2010
How to set independent configuration for each of the workspace, the 4 workspace that could be switched from the bottom-right corner?Gnome supports 4 workspace, but now it seems on my computer all of them share the same wallpaper, same files and folders on the desk, and the same google gadget. But I'd like to put different kind of files on different Gnome desktop. How should I do?
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Jan 15, 2010
I want try controls how many kernels should be put into the GRUB2 menu on my Ubuntu 9.10 but since GRUB2 the #HOWMANY variable doesn't work. I found this post on the LQ blog about the #HOWMANY variable. I follow these instructions but I have a problem when I execute the last command "update-grub" because my result is this :
Code:
/usr/sbon/grub-mkconfig: 228: GRUB_HOWMANY: not found
I verified my work but I don't understand why it's doesn't work.
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Feb 1, 2011
Is this a beta version or something? I installed this version because it came as a live cd coupled with emc2 for cnc machining. I cannot get anything to work correctly. I tried to install Mozilla thunderbird using the application manager and it is very slow. It takes forever for the menus to open. or emails and is virtually unusable. I tried to use the startup manager and it killed my grub bootloader so I needed to reinstall. I couldnt successfully use the grub2 console prompt to log back into linux even though I ollwed several tutorials for this. I tried to install the flash player plugin and it kept telling me still to install it before I could watch flash videos even though I had installed it 3 or 4 times. I just tried to install evolution mail and it cannot log into my gmail account. I tried to install swift dove which is a faster version of thunderbird and it says it is starting but then never does. I am reasonably sure I should hang in there as I have heard Ubuntu is very good as an os.
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Jun 17, 2010
My server keeps displaying a message: "The computer needs to restart to finish installing updates. Please save your work before continuing" every time I log on. Last night I did four consecutive reboots but the message is still there. I log i remote with NX / Gnome. Synpatic shows "0 to install/update 0 to remove".Is this normal? Does every single update need an independent reboot, so there is a queue to catch up with? Or is there some reboot flag that is not resetting properly after reboot?
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Oct 17, 2010
does anyone know how to change the panel colors independent of theme? I like the theme I am on, but I want to lighten up my panel colors a little to contrast morwith my background.If you are wondering, I tried gnome-color-chooser and I cannot figure out how to change every panels color with that in 10.10; just parts of panels.
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Nov 6, 2009
I wonder why fedora livecd images cannot be booted by grub2 loopback method, which works with ubuntu and debian.i have tried something like this:
menuentry "fedora 11 i386" {
loopback loop /boot/iso/Fedora-11-i686-Live.iso
linux (loop)/isolinux/vmlinuz0 root=CDLABEL=Fedora-11-i686-LiveCD rootfstype=auto ro
[code]...
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Apr 16, 2010
We are normally using IPC for exchange of data between multiple threads or processes. Out of following IPC which are platform independent and why they are platform independent?
1. FILEs
2. Socket
3. Named Pipes
4. Shared Memory
5. Message Queue.
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Jan 11, 2011
How do you write a program that is independent of the UI (the functionality is a library, and you have, for example, CLI and GUI interfaces as separate apps). The problem I have is how to report status and prompt the user from within UI-independent code? I could split it into parts that do not require any user interaction, but then most of the functionality will be in the UI, not the backend.
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May 4, 2010
I have a home server running Lucid which basically runs our home lan, but I also wanted to be able to run transmission-daemon over an ipredator VPN connection completely independently of the ethernet port (as far as the application layer is concerned anyway). Most of the howtos for setting up VPN use the VPN as the default route, however I still wanted to run a webserver, dnsmasq etc, not to mention free bandwidth access to my ISP etc.
Thus, this howto. The ppp connection still tunnels through eth0, but as far everthing else is concerned my server has two independent network ports eth0 and ppp0 and applications use the default route via eth0 to our router unless explicitely directed down pppX. I assume that you already have transmission-daemon installed.
[Code].....
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Sep 26, 2010
creating independent sub-domains on my VPS.To describe this in clear words below is the example:I have a domain named as demo.com and k it as test1.demo.comand i have only one IP address assigned to me, which points to demo.com.So how can i set this sub-domain so that I will serve as a separate entity
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Jan 7, 2010
Quote: evolution-data-server-common architecture independent files for Evolution Data Server. Why, when removing this package, does Synaptic want me to also remove:
Quote:
gnome-applet
gnome-panel
indicator-applet
ubuntu-netbook-remix
This seems pretty stupid. I just want to get rid of Evolution! Netbooks are cloud based machines, why was Evolution even included?! The same with OpenOffice.
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Jun 1, 2010
Fedora RedHat Enterprise 5 X version 7.1.1
I've been digging around for a while to try and come up with some solutions, and I'm finally caving and asking for help.I have two PCIe nvidia cards, each with one DVI and two displayport outputs. I know it's a gigantic mess right now as I've been experimenting a lot. If someone can suggest a basic skeleton xorg.conf for one x-screen on GPU-0, one display on GPU-1 cloned onto ANOTHER display on GPU-1 (preferably with a different frequency), it would be much appreciated.
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Aug 31, 2010
i'm trying to spawn a daemon-like java process from php on a unix environment, keep the pid for reference and keep it completely independent from httpd processes. I'm using the following code
$command = 'java -cp /myApp/ MyApp';
exec('nohup '.$command.' >> /myApp/myLog.txt 2>&1 & disown & echo $!', $pid);
$pid = (int)$pid[0];
But it gets killed when you httpd restart. I just want it never to get killed except if i call "kill $pid" command.
More Info: [URL]
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Mar 4, 2010
I need a services viewer/start/stopper for slack 13.Htop is OK but want a easier-to-use GUI like in Gnome,etc.However, I am using JWM and so need an app that is not too heavily connected to a desktop like KDE/Gnome.
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Jan 3, 2016
I have a Jessie with grub2. I've bought ssd and copied root partition onto it. I've also installed grub on this disc. I would like to have dual boot:
- First option: old root booted from hdd
- second option: boot from copied ssd and use root from it.
So i would have two identical but independent configurations.
Both disc has different uids (changed after cloning).
I had a hope that i will change fstab to mount root partition from ssd, but it doesn't work. I need to change grub configuration, but how to add new position?
There is also problem that bios doesn't allow me to choose disc to boot from. So i would rather prefer to change grub configuration for dual boot from different disc.
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Jul 11, 2011
I installed Fedora 15, which was my first real departure from Debian based Linux OSs. I absolutely love the new Gnome 3, and was able to configure F15 to work as I wanted it to. On rebooting I realized that there was no boot loader screen, that F15 just booted and didn't give me a choice as to which OS I wanted to use. Eventually I was able to configure grub to let me see the boot loader and added my old boot loader as a choice. This worked well, maybe not a perfect solution, but it worked. This weekend I installed LMDE (Linux Mint Debian Edition) to another HDD. LMDE uses grub2 and after the install F15 was not recognized.
Two questions: Is there a way for grub2 to see F15? or Can F15 be installed using grub2? I really don't mind re-installing from scratch.
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May 17, 2010
Grub2 always boots the first item on the grub menu. I edited my /etc/default/grub to this:
Code:
# If you change this file, run 'update-grub' afterwards to update
# /boot/grub/grub.cfg.
GRUB_DEFAULT=SAVED
GRUB_SAVEDEFAULT=true
#GRUB_HIDDEN_TIMEOUT=0
GRUB_HIDDEN_TIMEOUT_QUIET=true
[Code].....
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Jun 9, 2010
I have decided to dual boot again because I found a old hard drive laying around.
primary drive: sata 500 gb
ubuntu 10.4 64 bit installed with
boot
[code]...
secondary drive: 120 gb ide drive with xp installed. xp was installed first and wrote the mbr to sda1. I then installed ubuntu 10.4 and it overwrote mbr on sda with grub2. I have tried every combination of the 40_custom script for xp I have found here on the forums but to no avail. The 30_OS probe never seems to see it either. Grub 2 will not see xp. I have it in the menu from the custom_40 but it just reboots the system when I choose it. Any advice is greatly appreciated as I am ready to go back to legacy grub which only took 5 minutes to dual boot last time I did dual boot. I want to give grub2 a chance, since it supposed to be better, but I am getting frustrated.
Here is the output from the boot info script.
Code:
Boot Info Script 0.55 dated February 15th, 2010
============================= Boot Info Summary: ==============================
=> Grub 2 is installed in the MBR of /dev/sda and looks on the same drive in
partition #1 for /boot/grub.
=> Windows is installed in the MBR of /dev/sdb
[code]....
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Jan 14, 2010
I posted this about 3 weeks ago in the 'Desktop' forum and with no replies feel this may be a better area
I've got Karmic installed on my netbook which I understand uses Grub2 which is still a BETA version.
I still seem to have the original GRUB (legacy) within the file system, still have a menu.lst file but is appears to be showing the contents of grub.cfg at boot time.
What is happening at boot time, is GRUB Legacy handing over to GRUB2 at boot or is the an option for GRUB2 to hand over to Grub Legacy.
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