Ubuntu :: How To Build Dynamic Grub On Usb-drive
Jun 28, 2011
I would like to setup GRUB on a USB where it automatically detects the available OS installations on the machine that it is plugged into.This could be useful if you messed up your default GRUB menu on a computer and would like to boot into the machine w/out booting Live-OS. Or if you have multiple Live-OS installations on a USB-Drive and would like to add/remove different installations w/out needing to update grub manually.
I know that Grub2 has a OS-prober feature that looks for other installations on the hard-drive, but will that work in either of the scenarios listed above?
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Dec 12, 2009
I want to restrict the Visitors to my Webserver whom i want to give access But the persons whom i want to give access. have Dynamic IP. I want to use DynDNS and update IP address of person. Based on the Hostname Pointing to Dynamic address of person.
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Nov 3, 2010
After keeping my old (laptop) computer going for 8 years, I've finally taken the splash and ordered myself a new PC, well the compoents any way to build myself a desktop this time.
I've just got a couple of questions.
I've got a 60GB SDD and a 1TB HDD. On the SDD I was planning on partitions for Ubuntu Swap Window partition, to run a Virtulisation, not dual boot.
Performance wise, is it best to install / on the SDD and /home on the HDD or /home on the SDD as well and just move music and videos ect to the HDD.
Just to complicate things, when ordering the HDD there was an offer to get a second 1TB HDD for an extra 11, so now I have 2. I was planning to set these up as RAID 1, which I believe I can do via the alternative install.
What would be the best way to then backup / . I guess it must be possible to schedule an image of/ to be copied across to HDD is it?
I did hear that RAID was a bit iffy in ubuntu, but looking about on the net things seem to be better 9.10 → Also the boot disk isn't RAID.
Are there any RAID or SSD issues I should be aware of?
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Jan 31, 2010
I've trawled the internet but can't seem to find the exact same issue, so I've made a new thread. So, I installed Ubuntu onto a 160gb drive. I have other drives in the system, but I disconnected them so that the system drive would be sda. Ubuntu installed perfectly with no issues whatsoever. I connected the other drives in the system, and again it booted up perfectly (although I can't remember whether the 160gb drive remained as sda or became sdd). Then I attached some extra drives temporarily to do some data shuffling.
This moved my system drive to become sdf. My computer booted fine multiple times like this, but when I was finished with the drives I rebooted and suddenly everything broke. For some reason my ubuntu installation showed up in the GRUB twice, and neither of them booted. So, I popped in the Live CD (which I'm using to type this post), and decided to update the grub. I chrooted into my system drive and ran update-grub, but it simply returned something like this:
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Feb 11, 2011
I have an init script running as a special build user which performs an automated build that fails with (Too many open files).I updated /etc/security/limits to allow the special user more open files, but that didn't work - the init script still isn't allowed more open files.Here's a demonstration of the problem;
Code:
$ su - sbsbuild -c "ulimit -n"
Password:
[code]....
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Feb 20, 2010
I'm in love with my Opensuse 11.2. Love my KDE 4.4. The only thing I miss from my Ubuntu installation, is the ability to use Boxee. I would be more than willing to compile Boxee from source. I only have 2 problems with that:
1) I don't know where I can find all the build-deps or what they are for that matter to build Boxee.
2) I'm running on a Netbook. Yes, my measly Intel Atom is no fun for compiling and building.
What are my options/what can I do to get Boxee up and running on 11.2? I've tried searching on build service for an RPM, but I think due to legal restrictions, Boxee can't be on there.
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Feb 16, 2011
looking for LIBEVENT... configure: error: Package requirements (libevent >= 2.0.10) were not met: In order to build transmission 2.21.I need libeventnew version of transmission,I need to build libevent-dev >= 2.0.10 and installed first.But I can't get any information about building development files for libevent.
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Sep 24, 2009
as I'm advancing in building some nice rpm I finally wanted to install on of my gems also the build was successful the actual install fails with missing dependencies.
Code:
$ rpm --root /home/sascha/rpmbuild/ -i ./RPMS/x86_64/memcached-1.4.1-2.x86_64.rpm
error: Failed dependencies:
libc.so.6()(64bit) is needed by memcached-1.4.1-2.x86_64
libc.so.6(GLIBC_2.2.5)(64bit) is needed by memcached-1.4.1-2.x86_64
[code]....
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Sep 16, 2010
Trying to install SW 13.1 (on DVD) on the following system: M/B Intel: DX38BT Processor Intel Core 2 Quad Q6700 - 2.66GHz, 8MB Cache, 1066MHz FSB, Socket 775 Memory Corsair Dual Channel 8192MB PC10600 DDR3 1333MHz Memory (4x2048MB) Graphics Diamond Radeon HD 3850 Video Card - Viper, 512MB GDDR3, PCI Express 2.0 P/S Ultra 1000W
My goal is to install the i386 build on one partition and the 64-bit build on another. I have been away from Linux for a while and am sick to death of Win7, want to come home. :-}
Booted on i386 side of DVD, system freezes after a couple of lines that start with ATA2. Does not respond to 3 finger salute, ctrl-c, nothing. Have to press reset. I have tried both huge.s and hugesmp.s kernels
Booted on 64-bit side, comes up fine. I performed the install, selected for automatic lilo install. Lilo install hung but I was able to reboot. I booted off the 64-bit side again, entered the following: huge.s root=/dev/sde3 rdinit= ro It booted fully to the login prompt but the keyboard does not work, no input.
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May 16, 2011
we have an oracle application server on red hat 4.6 upon booting it comes up with error: attempting boot from hard drive (c GRUB)
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Apr 19, 2011
Ant was installed in yast2 but will not run since build.xml was never created. How can this be fixed? I would like to run AudioTool.
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Oct 1, 2010
I am trying to build a multiseat linux system(Build a Six-headed, Six-user Linux System LG #124). I am posting some outputs output of lspci | grep VGA
Code:
00:0d.0 VGA compatible controller: nVidia Corporation C61 [GeForce 6150SE nForce 430] (rev a2)
02:00.0 VGA compatible controller: nVidia Corporation G98 [GeForce 8400 GS] (rev a1)
ls /dev/input/mouse*
Code:
/dev/input/mouse0 /dev/input/mouse1 /dev/input/mouse2
more /proc/bus/input/devices
[Code]...
I am having trouble in configuring xorg.conf. I am running Suse 11.3 desktop on my PC. Also, I have one onboard nvidia graphics 6150SE and I have put one nvidia 8400GS 512Mb in the 16X PCIe slot for the additional seat...
So kindly tell me what should I do now or what things are missing ?? For any further info abt my PC plz tell me to post outputs(specify the commands for the same..)
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Jul 3, 2011
I'm using ubuntu 10.10 and I would like to add a drive to grub. I have windows xp installed on the other drive, but in order to get to it right now I need to change drive priority in the bios. So how do I go about adding this new windows drive to grub?
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Feb 4, 2010
I'm trying to install ubuntu on a portable 30 gig hard drive. My BIOS does support USB booting. I've tried installing it a few times now. I clean the drive out so its all unallocated space. Then I boot from the disk and choose the second hard drive in the advanced tab.
I tried everything. It says sda for my internal drive and sdb for my external. When I choose sdb it is definitely not on the internal drive...but it won't boot.
This is the latest ubuntu I'm trying to install.
When I am finished it says USB contains no boot file or something like that and skips to windows 7.
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Feb 12, 2010
I've been scouring the forums and Google for 2 days now and am not sure which track I should follow with my problem, because the GRUB path doesn't seem to be working, nor the fsck. I'd appreciate any insight anyone can provide, as I feel I'm spinning my wheels at this stage.A few days ago, I was transferring files from my Ubuntu server via SFTP to my laptop across my local network. All of a sudden, the transfer quit in the middle of transferring a file and since then, I was unable to FTP or SSH in to the server. I hooked up a monitor to see what was going on and there was only a black screen, so I powered off the server and powered back on.
While booting, the Ubuntu logo screen initially appears, but then goes to black and error messages come up, asking me if I wish to start the degraded RAID. "Gave up waiting for root device" is the message I get and it tells me that /dev/md2 does not exist and drops me to a initramfs shell. When I try to start in degraded RAID, it tells me:
mdadm: create user root not found
mdadm: create group disk not found
[49.702561] raid5: failed to run raid set md2
mdadm: failed to run RUN_ARRAY /dev/md2: Input/output error
mdadm: not enough devices to start the array
I have 4 hard drives in the server, configured as RAID 5.I boot from a Live CD and have a look at the discs.All are said to be healthy, except for the 4th which is said to have some bad sectors.I'm unable to access (or don't properly know how to access) the /boot/grub/menu.1st file to change the root delay parameter, which is what I thought I would try first.
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Mar 3, 2010
My system will not start. It reaches "Grub loading stage 1.5" and "Grub loading please wait....", then the machine tries to restart from scratch. I have tried using my bootable Heron CD but it gets to "Loading Kernel 100%" then tries to restart. I used the Normal option; the other options do not seem to work. Other symptoms are that the wireless mouse has been double clicking for one btton press and resuming from hibernation has often led to the system freezing within a minute or two. Memtest shows the RAM to be OK.
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Mar 27, 2010
I have 2 internal harddrives.
I installed Vista on sdb1 and later Ubuntu on sda1.
When I boot up, I am given choice of OS's to boot into. That worked fine until I formatted sdb1 and installed Windows 7.
Now when I boot, I am given the exact same options as before, and when I select the the old "Vista" Menu item, it gives me an error that it can not find some long serial number. The number is not my drive serial number. That number is completely different.
I can still boot into Ubuntu with out a problem.
Now, in order for me to boot into windows, I have change the BIOS boot order. That is obviously not ideal.
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Jun 22, 2010
I know this can be done with install-grub command in recent ubuntu release. How can i install it from puppy linux or distro which does not use grub 2. Will my pendrive boot if i copy /boot/grub from ubuntu 10.04 live cd to /boot/grub of my pendrive?
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Aug 1, 2010
I have tried to install ubuntu onto my computer using the live CD. It installed fine, and it put grub on sda (which linux sees as my SATA drive). Windows is installed on the ide drive which linux see's as the sdb drive. It was a successful install and in theory it should work, except it find the windows install first so it boots into windows without using grub. I think that linux assigns the drives using the sata first and the ide second, but windows does the opposite and the ide drive is first and the sata is second.
Is it possible to install grub onto the ide drive and get it to dual boot linux or is it possible to use the windows bootloader to recognize the linux install and chainload grub? I am thinking that if I use grub on the ide drive it will throw an error like what happened during my wubi install and it is unable to find the kernel because it is looking for it on sda, but from a windows install it is sdb. I have tried to get the computer to boot from the sata drive, but the mobo is a bit old and I do not think it is supported.
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Oct 16, 2010
I am going to install Windows on a newly installed hard drive.
What is the best way to configure grub so that I can add the new drive to the list?
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Dec 17, 2010
After a stint of using Ubuntu exclusively, I'm trying to install Windows 7 again. However, when I select boot from CD/DVD in the boot menu, I just get the GRUB menu.
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Apr 11, 2011
I've been reading and searching the forums here and most of the problems I have read about stem from writing the grub2 to the MBR of the primary drive. So i'm trying to avoid these problems if possible. Heres what I'm trying to achieve. I have two seperate hard drives in my PC, on the first is Vista Home Premium 64bit. The second drive is now completely empty and has just been reformated to NTFS with the standard 4096 setting.
I would like to install Ubuntu 10.10 and grub2 onto the second drive so that nothing is written to the primary drive at all. In a thread I read it mentioned that to do this I would need to use a "Specify Partitions Manually (Advanced)" option. My thinking is that I can just use the same process I'm using to run Ubuntu from a dvd disk to start Ubuntu once installed on the second drive. The process is an F10 "Boot Menu" when the computer is first turned on just before it starts to run Vista.
So my question is about the advanced installer options. Is there a walkthough available anywhere? (with screenshots maybe). I'm just worried that something may come up in the advanced installer that I have no knowlege of. I can re-format the second drive again from within Ubuntu running from disk if I need to (NTFS???). Also when running Ubuntu from disk I can still see the main primary drive and all its files. It would be nice to have this option but its not essential. My system. Windows Vista Home Premium 6.0.2002 SP2 Build 6002. 64 Bit, Intel Q8200 Quad core, 8GB Ram, Nvidia 9600GT 512MB
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May 2, 2011
I have a laptop with a dead CD drive. I want to install Ubuntu 11.04 on it however it can not boot a USB drive. The current os is trashed, but grub is still okay. Is there any way to load the ubuntu CD's contents off of a flash drive and boot it from the grub console at boot?
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Jun 25, 2011
I installed Ubuntu 11.04 on my laptop alongside WinXP. For some reason Grub hides my CD drive from WinXP but not Ubuntu. I can access the drive in Ubuntu, but it doesn't appear in WinXP at all.
I know there is a solution to this, but I can't remember what it is. Something to do with modifying grub.conf or something like that.
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Sep 1, 2011
i recently started dual booting with Kubuntu using an external HDD. GRUB works fine, but it sees two Kubuntu's on the drive. In GRUB, i see "Ubuntu-Linux Kernel (for some reson its not identified as Kubuntu) on /dev/sdb1 (external drive)", then i see recovery mode beneath it, and the exact same line right below recovery mode, followed by another recovery mode. strangely, selecting either one boots into kubuntu no problem at all. is this a problem and is there anyway i can delete the duplicate entries?
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Jan 21, 2010
I was trying to load up Ubuntu 9.10 on a thumb drive to load look at the files on a computer with a dead disk drive, I couldn�t boot up on the other computer, but that�s another story (yes the drive was marked as bootable)
When I restart my laptop whose diskdrive I used to install Ubuntu onto the USB drive, I get a GRUB error �No such device and can load anything unless I plug back in the USB drive. When it is plugged in, the USB boot is the primary (1st in the list) boot. I tried editing the .lst file on my laptop�s drive but it only has its kernels listed. Anyone know how to make my system quit looking for a USB mounted kernel? Or at least not fail if it can't find one.
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Mar 1, 2010
I have a dual boot PC with Windows Vista and Ubuntu 9.1. The problem did start with Ubuntu 9.04. I think the problem started around the same time I added a Seagate FreeAgent USB hard drive for backups. The GRUB OS list will come up after the PC boots. I can select Vista and it will start w/o a problem. If I try to boot to Ubuntu the PC will restart itself. It may try and start Ubuntu MANY times until it eventually gets started. I have tried to repair the problem with no results so far. I have tried it with and without the Seagate device attached.
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Mar 31, 2010
I've been running a dual boot set-up with Win XP and Ubuntu 9.10. The old 40 gb drive was showing signs of impending failure, so I replaced it with a new 120 gb drive, after saving an image of the old setup. After restoring the image from the original drive to the new one, Windows boots fine from the GRUB menu, but Ubuntu doesn't. I briefly see the Ubuntu "circle" then the screen goes blank. If I hit any key, I get a console screen of error messages (I can provide details if needed).
I think the problem is caused by the fact that the restore process scaled the saved image to fit the new, larger drive, with the result that the Ubuntu partition doesn't actually start where GRUB expects to find it. I'd like to recover the Ubuntu installation, but if is too big a deal, I'll just wait until 10.4 is released and do a clean install.
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Jul 6, 2010
I have a system with two hard drives: an old one with XP and Ubuntu on it, and a new one on which I have done a fresh install of XP. The BIOS is set to boot off the new drive. I have now installed Ubuntu Studio 10.04(off an alternate install disc, not a live CD)onto a partition on the new drive. The installation went fine, but it appears to have written the GRUB bootloader to the old disc. The result is that when I boot up, the system boots straight into XP off the new drive, without ever seeing GRUB. I could reset the boot order in the BIOS each time I boot according to which OS I want, but that is cumbersome; also I would like to be able to remove the old drive at some point.
What is the easiest way for me to re-install GRUB to the new disc ?
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Jul 21, 2010
I have a dual boot machine windows xp & Ubuntu 10.04. I want to use Grub 2 to boot an Ubuntu 8.04 32bit live cd image off my hard drive. I put a copy of the 8.04 iso in a new directory /boot/iso. I added the following lines to my grub.cfg.
menuentry "Ubuntu Live 8.04 32bit" {
loopback loop /boot/iso/ubuntu804.iso linux (loop)/casper/vmlinuz boot=casper iso-scan/filename=/boot/iso/ubuntu804.iso noeject noprompt --
initrd (loop)/casper/initrd.lz
}
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