Ubuntu Servers :: Bootable Flag Doesn't Change
Feb 15, 2010
A week or two ago I installed Ubuntu Server 9.10 on a Intel DG945SEJT-based machine with two WD RE2-drives. I used unetbootin-windows-408.exe to to prepare a USB stick with the 32 bit version of the server version of Ubuntu. The installation went smooth without any problems.
Now when I'm trying to do the exact same thing to an almost identical server (larger HDD:s) I can't change the bootable flag to "on" on the physical raid partitions I create to host /.
I use the the following partition scheme: 10 GB /, 4 GB swap and the rest as /home. They're all on software-RAID1. Last time I did this (and many times before that) I was able to set the flag to "on".
When I press enter it just shows "updating filsystem.." etc. for some second but then nothing happens, the parameter is still on "off". This causes the whole installation to fail in the end due to an error when installing GRUB -> "can not install grub in /dev/sda "fatal error"".
My only conclusion is that the installer downloads some new files from the internet which causes this problem, as I said - nothing else is different except the harddrives (WD RE4-GP).
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Sep 6, 2010
Well I currently have a windows partition currently formatted as ext3 which has the partition flag bootable (It previously had Windows Vista on it). I also have a windows partition with NTFS filesystem with Windows 7 on it which is not bootable because the previously mentioned partition became formatted by me. And I also have more partitions for Ubuntu, which is currently the only OS working.
To show it visually: [URL]
So my question is can I delete the partition called "Inter" and recreate a new partition and format it again with ext3? It has the partition flag bootable, won't I loose all of the partitions this way? It's also the primary partition? Is there a big risk?
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May 2, 2011
I'm running Ubuntu Server 11.04 on a home PC as a local-only file and web server for some private projects.After a few minutes Ubuntu will stop responding to the network and a cold reboot is required to re-enable the NIC.I've been able to stop the above occurring with a user logged in and constantly pinging the gateway, although this is obviously undesirable.
I read here and elsewhere that a fix is to set acpi=off in grub. I have done this but now instead Ubuntu will not boot and shows the message:
do_IRQ: 1.55 No irq handle for vector (irq -1)
Disabling IRQ #34
and hangs there indefinitely. The system will boot fine if I revert the changes but obviously the sleep problem remains.The BIOS does not have an option to disable ACPI, just select S1 or S3.Is there anything else I should be looking for in order to disable sleep? Otherwise the system is working fine, and when it's awake I haven't had any other trouble.
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Apr 17, 2011
I would like to mount a disc that was previously used in the Intel Software Matrix RAID array (fake-raid). If I try to mount it I get:
mount: /dev/sdd1 already mounted or tempb busy
I think my dmraid is refusing to mount it beause of some RAID "flag". I would like to get rid of it, but unfortunately I cant do that on my system (theres no such RAID):
[root@ox mnt]# dmraid -r /dev/sdd
ERROR: isw: Could not find disk /dev/sdd in the metadata
no raid disks and with names: "/dev/sdd"
There are several posts recommending to uninstall dmraid completely from the system. Isnt there smarter solution in removing such a flag?
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Feb 14, 2010
GNU GRUB 0.97
Ubuntu 8.04.4
2.6.24-26
Added an SSD (dev/sdc) and decided to move some less often changed directories there. Started with /usr and /boot, leaving / on a primary in the first drive, for now. All started ok, and my changed fstab mounted the right ones, and the system works.
However, grub is actually using the original /boot on / on sda1. I cannot see any way to change this. (Which makes it sorta hard to update the kernel
From grub:
Okay, since it has two choices, I tried to tell it which one to use. But, grub> root (hd2,5) does nothing.
Disk /dev/sda:
what I seem to recall, grub doesn't care about the boot flag on the disk. Nor does it care about primary vs. logical (except GNU doc says "makeactive" only works on a primary?).
The GNU doc also indicates that it looks for a directory /boot on the partition, so if you're mounting a partition as /boot, it also needs to contain a /boot directory under it. Tried that, but no change.
Is my problem the logical partition? Does that prevent "grub> root" from changing it? I'm afraid to wipe out the old /boot and find that I can't start up.
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Jul 17, 2011
I have two HDDs in computer, one with ntfs and windows on it and second with btrfs. I want to get data on that btrfs disk. I boot with bootable USB stick with ubuntu on it but I found out that I cannot copy anzthing. I dont have permissions. How to change that. I am logged in as nobody here in USB stick, and files are probably locked as mz previous username when I create them.
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May 29, 2010
I am trying to set up an old server to run Fedora but I am having an issue I cant seem to fix. This Is the skinny. I have tryed with 10,11,12,and 13 and get the same result. I can load the live disk and do the install and it finishes but when I restart, The system does not see the HDD as bootable. But hears the strange thing. I can take the drive out and put it in my desktop and it boots fine. I also have been able to put suse and ubuntu on it without any trouble. I cant figure out what the difference is with Fedora.
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Dec 17, 2010
I used unetbootin to make a bootable USB key (a BT4 persistant live cd)
But it wors only on a few machines. (only 1 out of 6 i tried) Most of the time boot sequence get stuck on a blinking prompt cursor.
Ex:
Attempting Boot From Floppy Drive (A:)
Attempting Boot From USB Device
_ <-- stuck...
Then boot on HDD
Is it do to the usb key or machines that do not load mbr the same way?
Edit: the stick is formated with MBR have 2 partitions. The first is FAT32 and active, second is ext3
PCs i have tested can boot on USB (at leat you can select a USB device for Boot)
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Jun 1, 2010
changing the bootble parttion in linux using lilo. Presently when i boot the system i will be booting from primary partition(/dev/sda1) . Is there any commando to change the bootable partition to secondary(/dev/sda2)
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Mar 1, 2011
I am following the very basic Software RAID instructions associated with 10.04. I am installing using 64 bit Ubuntu 10.04.1 as well as 10.04.2. Hardware is an HP ProLiant ML110 G6. A couple months back I installed on another ML110 G6 using the 10.04.1 install and was able to successfully install a more complicated RAID install. On that system I ran with three partitions. The swap & boot partition was setup as RAID 1 and the third partition was setup as RAID 5. This system had four 1 TB drives installed. That system boots to OS and at this time seems to be just fine.
I am trying a new install on another ML110 G6 but this time using two 2 TB drives under software RAID 1. Following the very basic instructions I am trying to create two partitions per drive. The first one as RAID 1 Swap and the second partition is also RAID 1 but should be marked bootable. This is where I am having problems. I am not allowed to mark the partition as bootable. The only way that flag seems to be changeable is if I leave the partition set to ext4. But once I change it to physical volume for RAID I lose the ability to change the boot flag.
I have tried both 10.04.2 as well as 10.04.2 install media thinking that was the problem but no go. The SATA mode setting is set to compatible which is what the working ML110 G6 is set to as well.
I am currently at a loss. Since the instructions are so simplistic, I am thinking this must be a hardware issue some how.
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Mar 25, 2010
I have a PowerPC computer, but it has troubles writing onto CD's. It reads fine, but anyway, is it possible to make the CD from my Windows x86 computer? It will be the PowerPC version [URL], but it will not be burnt from a PowerPC computer.
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Jun 9, 2010
creating a bootable floppy from a bootable floppy image on a NON Linux machine I am trying to install dsl (damnsmallLinux) on one of my old Compaq 2000 Deskpro machine having 256RAM and 2 GB hardisk. (which I hope to increase to 8 or 10 GB ...can I use a larger disk capacity??) I have downloaded the floppy bootable image from the website using a machine a fedora OS machine that does not have a floppy drive. I have even converted the image file to an iso file. I can copy this image file or iso file to the Compaq machine but how do I use it as a bootable floppy? OR how do I create a bootable floppy disk from this image?
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Oct 23, 2009
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May 11, 2010
How can i copy my G4L bootable CD into a partition, so thar i can boot from it, and not use the CD anymore?The idea is based in the fact that i am so lazy ... that opening/closing the CD is getting on my nerves
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Mar 23, 2011
If I dd copy a bootable usb drive to an iso will the iso be bootable?
I haven't tried it yet, but i'm going to. Heres the situation and tell me if I'm crazy.
I have several bootable CDs I use at work to do different things, so I went ahead and made a multi-boot usb stick with the isos on them and everything is golden. When i need something else, I am able to slap the ISO on the usb stick, edit the menu.lst and I'm good to go.
The problem is, for some of our equipment I have a bootable USB stick that I have to use. I tried copying the files on the bootable USB to my multi-boot usb and setup grub to boot it (which admittedly I'm no expert at), but have had no luck.
So now I'm thinking, I'll use dd to copy the bootable USB stick to an iso (using bs=2048) and then do my normal setup with an ISO and maybe it will work.
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Apr 3, 2010
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Mar 4, 2010
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Jul 8, 2010
I am trying to use Emerald Theme Manager and I have downloaded a theme, imported it and it's showing there but it won't change on the desktop.licking thheme...pressing enter while its highed...nothing changes
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Dec 18, 2010
yesterday ubuntu 10.04 hanged so i restarted it and i wasnt able to boot again all what i get is a blank screen with a blinking cursor... also windows7 dont boot (hangs during loading) after some googling i was able to boot only in linux by setting the noacpi flag during booting in grub but there was no internet connection (wired connection) i guess that noacpi is the reason ??
what i have tried :livecd: doesnt boot except with the noacpi flag and no internet connection reinstalling grub : doesnt solve the problem replace the power supply : nothing differ
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Jul 16, 2011
I installed Ubuntu Natty on an Ideapad Z570. The screen brightness seems to be stuck. The keys that control brightness don't work and I can't find any option anywhere to change it.
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Apr 19, 2011
I'm trying a recursive search -- only PHP files -- and yet grep is searching SQL files too.
Code:
sneakyimp@Ubuntu-64bit:/var/www/site$ grep -irl --include='*.php' 'car_images' *
2011_02_11_dump.sql
car_images_pending.sql
client/search_results.php
[Code]....
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May 5, 2010
The default chat client in Ubuntu 10.04, Empathy, doesn't seem to have any affect in what my actual gmail status displays - I can change the status to be available, busy, or away, and change the custom message to be absolutely anything, but when I log into my Gmail account the status isn't changed whatsoever like it would have it I was using Google Talk in Windows. Also, in the notifications area in the top right, the "Me Menu's" available and busy icons don't have any affect either. If I click the available, busy, or away icon in Empathy or the Me Menu, the respective other will change to be the same, so something's happening, but not on my Gmail account.
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Apr 21, 2011
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Feb 7, 2010
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I then followed the install instrcutions again but, this time telling the system where to find the .tar.bz2 file I donwloaded (version 3.6 from the mozilla site).
Everything appeared to extract and following the instructions for starting Firefox - I got version 3.0.17, exactly the same as I already had.
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Jul 19, 2010
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Oct 15, 2010
What does the -i flag mean in rm i my_file?
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Jan 24, 2011
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May 26, 2010
I just bought an Eee Box with Red Flag Linux Desktop 5.0NE. My intention was to use it as a backup server at home to backup files and photos, etc.
How to I get to a graphical user interface so I can start to know what I'm doing?
When I switch on the machine, it says:
Red Flag Desktop 5.0NE
Kernel 2.6.21.0-22 on an i686
localhost login:
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From the man page for sudoers (RHEL5.4), I notice that the default value for stay_setuid flag is 'OFF'.
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Jan 9, 2010
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(As a side note, what the hell does OS_TOOLS do? google yields no answers)
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