Ubuntu :: Changed Format To Master Boot Record. Can't Mount Drive
Mar 9, 2011
I have a 1TB hard drive which is formatted with FAT32. Attempting to make a new partition I clicked the format drive button in Disc Utility. I chose Master Boot Record and something was written to the drive. So now I can't mount the drive and Disc Utility says that there aren't any partitions. I don't think this can be true because I had 200 GB of data on the drive and it would have taken longer to delete all that. At least I think...
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Jul 15, 2010
I have a dual boot computer. The WindowsXP "side" has been infected with a rootkit virus. So far UBUNTU has not been affected to my knowledge. I have not yet been able to remove the virus from the WindowsXP "side". I am thinking of deleting the NTFS partition and have the computer fully dedicated to UBUNTU.
Now for my question. Is there a possibility that the virus resides in the MBR and that I need to "rebuild" the MBR to actually remove the virus? Even more extreme, should I totally re-install UBUNTU in the name of safety and precaution.
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Jul 1, 2010
Windows' Master Boot Record seems to be damaged on my dual-boot.Here are the details.
Boot Info Script 0.55 dated February 15th, 2010
============================= Boot Info Summary: ==============================
=> HP/Gateway is installed in the MBR of /dev/sda
[code].....
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Nov 27, 2010
I think I managed to corrupt my master boot record, or have a very intractable problem with Grub.
I'm not sure how I did this, but my desktop will boot Ubuntu fine from a USB, but every time I try to install it, the install seems to go fine, but when I finish the install and the machine tries to boot the OS from it's hard drive, it does not work. The monitor does not get a signal and it just goes to sleep.
I tried posting here to resolve the problem before, tried everything on this thread: [URL]
But nothing worked.
I have even tried running the system from a USB, running a "shred" command for the hard drive and then reinstalling - my theory was that the shred command would destroy all the data on the hard drive anyway, and allow a "clean" install from whatever was corrupt on it, but no luck - when I installed Ubuntu on the hard drive, same problem.
I'm not clear where the problem lies now, I'm assuming there is something up with it's master boot record, but there are no partitions on it's hard drive and I started with a completely blank, unformatted drive.
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Jun 7, 2010
I have a Windows XP/Windows 7 dual boot system. My problem: [URL]. I follow these instructions to the letter, the live "CD" works fine - using a USB stick, I do not have a DVD drive, in- or external -. When I try to install Ubuntu from the live system, it corrupts my master boot record, I get the Error: No Such Device #####################. After I fixed this I tried to install Ubuntu under windows, using the same usb's wubi installer. The install completes, I reboot, and after selecting Ubuntu in my boot menu, I get that likewise well known error with wubildr.mbr [URL]
Rebuilding the USB stick doesn't make any difference, it behaves the same way. The wubi installer has the very annoying habit of downloading the iso during the installation procedure every time, I don't know why I can't just select the iso downloaded in the first step of the above link. This way I cannot check any md5 because I have no idea where it downloads the iso. What should I do to get Ubuntu working? Reinstalling any of my Windows systems is not an option, it is every time like gambling, I am using the same installation files, but sometimes the result is just not the same.
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Dec 15, 2009
I just installed SuSE 11.2 on top of where 11.1 used to be on my hard drive. Acronis Operating System Manager will let me boot into XP Pro but it tells me it cannot find SuSE in the master boot record. If I repair the master boot record in SuSE, XP Pro disappears. What do I do?
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Nov 29, 2010
Is there a way to re-install grub on the master boot record of a hard disk using a live cd?If so will i have to configure it?I'm trying to install a linux distro on my ao751h(with poulsbo ) but i after installing it i can't boot.I get an error 15 or a flashing underscore.I have already tried ubuntu,debian,mint and slackware(LILO isn't compatible with poulsbo).Also,does anybody experience problems with the ubuntu 10.04 and 10.10 installers or is it only me?when i choose the language and keyboard settings the installation stop as it is and i get a crash report.
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Jul 28, 2010
I have openSUSE 11.2 installed on my PC, the install went well and was quite pleased with the OS. Howeve, because I only had a small 40Gb hard-drive I decided to buy a new Western Digital Green 1Tb SATA drive for storing my music etc.Now this is where I have run into difficulty. I can't get the OS to see the new drive, I did a search and found some instructions on how to format, mount, setup the 2nd drive but I either missed something or I just didn't do it correctly.In the end I could see the drive under Nautilus and that was it.
I can't write to it because it says I don't have permission? I can't seem to make new directories, most likely because I don't have permission. If needs be I will be willing to go back to the beginning and start installing the drive again. I don't mean to beliitle the Linux OS and users but using Windows$ all my life (I'm 49) I find it a lot easier, but I am willing to learn this new OS (for me that is).
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Mar 4, 2011
I just got a Patriot PS-100 mlc ssd drive and I cant mount it or put a file system on it. I've installed Gentoo on many normal hdds before and though it would be the same with the sdd.
I'm trying:
mkfs.xfs /dev/sda2
cannot open /dev/sda2 device is busy.
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Jun 1, 2010
I slipped on my expansion drive cable and it disconnected quickly, when I reconnected I got this error: Error mounting: mount exited with exit code 13: $MFTMirr does not match $MFT (record 0). Failed to mount '/dev/sdb1': Input/output error NTFS is either inconsistent, or there is a hardware fault, or it's a SoftRAID/FakeRAID hardware. In the first case run chkdsk /f on Windows then reboot into Windows twice. The usage of the /f parameter is very important! If the device is a SoftRAID/FakeRAID then first activate it and mount a different device under the /dev/mapper/ directory, (e.g. /dev/mapper/nvidia_eahaabcc1). Please see the 'dmraid' documentation for more details.
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Aug 3, 2010
I've installed Ubuntu Server, and Webmin following this guide, and all is well so far... I've mounted some drives with some pre-existing data on them, and can view the data on those drives. But I have one drive that I can't seem to mount, and I'm pretty sure there's data on it. But I can't seem to find how to identify what format the data is in, ie.. ntfs, ext2, ext 3, etc. Its likely pretty simple, but how can you identify the drive format before you attempt to mount it?
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Mar 19, 2011
Wanted to image my mom computer. Her computer is windows 7 and has ntfs. So... how do I mount it?
Below is what I did.
Code:
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Mar 27, 2010
i am not able to mount a pen drive (which is formatted in ext2 format) with directory permission drwxrwxrwx and file permission as -rw-rw-rw.
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Feb 18, 2011
I am excited to install linux on my macbook air and have been trying to boot with a kingston 4gb usb drive but when I try to boot with it (holding down the option key on reboot) only the Hard drive shows up for me to boot up on.. not the usb drive.. how do I format the usb drive to be bootable in this case?
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Apr 5, 2010
In /etc/fstab, I have a record:LABEL=/< >/< >ext3< >default,nolog< >1 1 represent a tab between 2 fieldsI just want to remove "nolog" in the 4th field (only): gsub(/nolog/,"",$4)The function work ok but it returns a record:LABEL=/ / ext3 default 1 1I know the problem is OFS=" ", but how can I keep the format of the record? (the same number of tabs, spaces).
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Mar 11, 2010
I am trying to recover some data on some drives that are in the same LVM. When I upgraded the motherboard, I had complications getting the drives to all load under the LVM, and in the process I made the mistake of formatting one of the drives. The problem now is that the UUID changed on the drive so when I try to mount the LVM it can't find device with a certain UUID. When I try to set the UUID back to the old one it says 'Invalid UUID format'.
I can set it to a UUID generated through 'uuidgen', si I then noticed that the format of that UUID is different than the old one which I'm trying to set it to. Why is that? Is there a way I can get it to change to the old one in the different format?
The old format: yQtrVB-5jCk-vF10-05c2-AcDL-GNn1-ivdxxh
The new format: d5224587-a6cd-4a66-a12b-d7b75eec5871
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Jun 6, 2010
I want to automatically mount an SSH server on boot. I am able to do this manually by running this script after I reboot
Code:
#!/bin/bash
clear
sshfs -o idmap=user user@server:/ /home/fro1269/sshmount
I have put the script in /etc/networking/if-up.d/
but it does not mount after the network is connected. This is on a laptop that connects via wifi. So my network connection does not start until a few seconds after the desktop loads. I am running 10.04.
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Sep 15, 2010
I need some assistance in trying to format a USB hard drive to vfat format but can't seem to do so. I am currently using RHEL 5.3. I have tried the following commands and they all come back as "command not found"
mke2fs vfat /dev/sc1
fdisk vfat /dev/sdc1
mkfs.vfat /dev/sdc1
What am I doing incorrectly?? Can someone please point me in the right direction??
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May 30, 2010
How do I get an auxiliary drive to mount on each boot? All my music files are on a separate hard drive which I have had to manually mount then repopulate the library in Rhythmbox each time I reboot.Along the same lines, how do I get Ubuntu to remember settings in various applications without saving an entire session? For example, the screen capture utility always starts with "capture entire screen" and I have to keep selecting select part of screen to capture.If I must do this by saving the session, how do I do this? I can't find anything on the menus.
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Sep 15, 2010
I have just installed 10.04 and am enjoying the quick clean boot. I have a dual-boot option as I have come over from XP. Most of my data is still on the old 'c:/' drive and I have to manually mount it every boot-up. Is there any way to automate this process?
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Jan 18, 2011
I am having a small issue on my machine. I have a NAS drive serving up media files. I have a line in my /etc/fstab such that, when the mythbuntu machine boots it is supposed to mount the network drive. This configuration worked fine for mythbuntu 9.10. I recently updated the machine up to 10.10 and since then the network drive won't mount at boot. If I open a terminal and issue: sudo mount -a, it will mount the network drive just fine.
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May 11, 2010
I need to change my LUKS partition to NTFS as I do not need the boot partition any longer, but I need to keep sdb3 (truecrypted ext3) intact. This is how the disk looks now:
Code:
Disk /dev/sdb: 1000.2 GB, 1000204886016 bytes
255 heads, 63 sectors/track, 121601 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
[code]....
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Aug 14, 2010
i'm about to perform a fresh ubuntu install, and i was wondering if anyone knew whether installing on the slave or master drive mattered. i know if you're installing on the same drives it's slightly faster for ubuntu to be installed first, but that doesn't seem to be the case since i have two separate drives
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Jun 18, 2011
I have a full working Mythbuntu 11.04 on a FakeRAID system (via ICH10R chipset). The OS is sitting on a 250GB partition and working fine. I am trying to get the 7.07TB partition mounted so that I can use it to store all my movies. When I mount it via the [URL] all works fine. When I reboot it cannot mount due to device being not ready or unavailable It appears the superblock goes missing at reboot. I have it formatted to ext4 with a GPT partition table. If I reformat and remount then all works fine again until I reboot.
[Code]...
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Nov 13, 2009
I'm managing a residential network. Each flat is its own subnet, and can only communicate with the other flats through a router (i.e. no broadcast). 95% of these 300 subnets only contains windows computers (from lambda users).
My final goal is to be able to browse the entire network from any computer.
I set up a samba server acting as a wins server, and every computer is aware of it because it is registered in the dhcp. So name resolution is working fine for everyone.
The same samba server is set to be the "Domain master browser":
workgroup = WORKGROUP
wins support = yes
prefered master = yes
local master = yes
domain master = yes
os level = 65
When I browse the network (using "net view" or "browstat view"), I can only see the servers which are in the same subnet as the domain master browser.
Now, when in a subnet the computers arrange themselves to find a "local master browser", the only visible computers are the one in that subnet.
What I don't understand is why all the local masters don't synchronize their lists with the domain master.
So, to sum up, every subnet get the following behaviour:
-if a local master is elected, the only visible computers are the one in the same subnet.
-if no local master is elected, the only visible computers are the one in the subnet of the domain master.
-if I add another samba, configured as a local master winning all elections, then the magic is working and the lists are synchronized.
What is expected:
-every computer can see all the computer from all the subnets.
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Feb 16, 2010
I've for quite a while been going forward with making my own linux system with a purpose of being USB bootable. A lot of it has been taken from LFS and molded to my needs. The purpose of this is to, most of all, learn. My aim is to have a small linux system, bootable on most systems and able to run burnintest in textmode. This will be run of a vfat formatted pen drive with syslinux. The rootfs is run from a ext2 image file. My current image is bootable and is able to run burnintest, I do however still have some polishing to do.
I began this project by using uClibc and my image would be tiny enough to be run from a single initrd (20mb ~). What I didn't consider is the fact that burnintest is pre compiled using glibc, so had to re-do everything with a different c library.. After doing this I realized i no longer would be able to boot simply from ram as loading ~80mb to ram takes quite a lot of time during boot. I'd really like to keep the rootfs in an image file for easier management and I so far haven't found a way to mount this roofs image.
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Jun 14, 2010
I'm a Linux college course student and can't et help from my "instructor". As part of my class, I've installed Fedora 12 on a secondary hard drive. I don't know the first thing about Linux and am totally lost trying to get back to my other hard drive to access the Windows XP OS. All my stuff for the courses I'm taking this summer are stored THERE. Can anyone help me with very simple, easy to follow instructions for how to get back to Windows AND also have access to Linus on the secondary drive?
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Jun 27, 2011
I am getting a new 4kb sector HDD for my laptop, WD scorpio black 750gb, I would like to image existing partitions on 512bytes sector HDD and move them to the new 4kb sector HDD, what's the best way to do this.
present config is as follows:
Disk /dev/sda: 80.0 GB, 80026361856 bytes
255 heads, 63 sectors/track, 9729 cylinders, total 156301488 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
[Code].....
I am planning to keep the same three partitions as the primary partitions on the new drive and add few more logical partitions. I would have liked to move to GPT but since I need Win 7, I am stuck with MBR partiotion table.
Now, I understand how to partition an Advanced format disk, what I want to know is how to move the existing partitions on the 80 Gb disk to the new disk?
I use Clonezilla to copy partitions but it is not compatible unless both the target and the source disks are already using 4096 sector size.
I can use Acronis True Image WD Edition to clone Win 7 but how do I clone Ubuntu?
Also my Laptop's chipset is limited to SATA 1.5, will it cause any issues, I know the bandwidth is not an issue.
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Sep 1, 2011
i have instaled ubuntu 11.04 wubi on my pc with windows 7. i installed and everything was going ok i navigate on ubuntu already. but the problems star here i went on my ubuntu to the partition section and i format my windows partion to be the home partion and changed the nfts to ext, i did the upgrades but i forgot that theyr running yet and i restart my computer when it boot again it gaves me an error:
try (0,0) : nfts5 : wubildr
try (0,1) : ext2 :
and the windows7 says that i have to instal again. so i went to another pc and i made a cd boot and a pen boot. i burned the iso (downloaded from the ubuntu oficial site the 11.04 32 bit version) image to the cd and pen drive prperly, i adjust my boot options to star from usb or cd rom and nothing im struck.
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Jan 24, 2011
Someone in my dept rather stupidly changed an IP of a webserver, and ever since we changed it back we cannot mount 3 NFS drives.
The Error
Code:
HTTP1:/etc# /etc/init.d/networking restart
Reconfiguring network interfaces...if-up.d/mountnfs[eth0]: lock /var/run/network/mountnfs exist, not mounting
if-up.d/mountnfs[eth1]: lock /var/run/network/mountnfs exist, not mounting
done.
I have removed that lock file and tried a
Code:
mount -a
but it just hangs?
The FSTAB hasn't changed at all, and the other web servers can mount to the NFS share fine. I have tried alot, removing the lock file and rebooting etc but no luck. Debian Lenny.
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