General :: Mount Two Loopback Files As One Filesystem?
Jul 26, 2011
I'm trying to run a persistent Debian distro on a USB thumbdrive, with the persistency data written in a mounted live-rw loopback file. However, the drive has to be formatted FAT32, and that poses a 2GB maximum limit on files, so I can't use the full 3GB space that is left on the drive after the Linux install. Can I make two loopback files and format/mount them as a single filesystem? If I can't I guess I'll have to repartition the drive, which I'd rather avoid.
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Mar 11, 2011
I am trying to mount a file image, like this
mount -o loop /tmp/apps.img /media/apps
But I get the following:
mount: you must specify the filesystem type
I try ext3:
mount -o loop /tmp/apps.img /media/apps -t ext3
dmesg says:
error: can't find ext3 filesystem on dev loop6.
I've also tried ext2, vfat etc. How can I detect the filesystem type of apps.img?
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Apr 13, 2011
I am trying to mount a raw/dd image of solaris hdd in Linux with the following command:
Code:
Does Linux have tool for checking ufs filesystem integrity?
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Jun 23, 2011
I am trying to expand my Ubuntu partition into my Windows 7 C: drive, but the win7 partioner will not let me shrink it because of immovable files. Is there anyway for me to but an loopback device in the windows partion, and have Ubuntu boot with that as the root device?
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Mar 27, 2010
When I try to boot to OpenSUSE I get the following error during boot-up: unknown filesystem type 'reiserfs' could not mount root filesystem - exiting to /bin/sh$
This only started happening quite recently - before this I could boot to Linux quite happily.
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May 27, 2011
I am using GRUB bootloader. I can boot into windows fine. But booting into linux gives me the error "kernel panic: unable to mount root fs on unknown block(0,0)I got LILO to load linux fine but GRUB always gives me this error regardless of the linux OS for this particular computer.
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Jul 11, 2011
I have an old Intel webcam that doubles as a standalone digital camera. When I plug it in, Fedora automatically mounts the memory for the camera as a filesystem.However, because it is old and clunky, if I try to use its webcam functionality after this happens, it crashes internally and nothing ever happens.Even if I unmount the memory, still remains "crashed".I know that if the memory was never accessed, the webcam would work, as this is how it is on Windows, and also how it was in a previous release of Fedora, which didn't automount
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Dec 21, 2009
I'm trying to mount a filesystem when the system boots, so i won't need to mount it everytime..
So what I did was copying the line of the filesystem I wanted to mount on startup from /etc/mtab:
Code:
And pasted it as it is, in the /etc/fstab file. when the system booted, it didn't work. not only that, I wasn't able to mount the filesystem at all, (it gave me some kind of an error) so I removed the line from fstab file and it all back to normal. how can I mount this filesystem on boot? (i'm using Fedora 12)
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Oct 17, 2010
have a Debian server which I use to hold my home directory for my user account. I used to use Windows 7 and connect to my /home/username directory via Samba which worked great. I could access all of my files as if they were sitting on my local PC, but they were actually sitting on my Debian server.
Now I have decided to give Ubuntu 10.10 a try (looks promising so far!).One thing I'm not sure how to do is to mount my home directory from my server! I am able to open an sftp connection to my server, but not able to access them natively as they were /home/username on my local machine.I'm assuming I need to mount my home directory somewhere in my fstab before it starts up, but which protocol should I use? I'm used to using windows networking, but am trying to get more into linux.Should I use NFS?
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Jan 21, 2011
I am developing a device that will run Linux as its operating system.The device is a small form factor X86 device with a flash drive exposed as a SATA-device. So it is not very dissimilar from any other PC running Linux.For several good reasons I am building my own "distribution", instead of using an existing one.What confuses me is how mount/umount of the root file system is handled.I boot my kernel with the commandline "root=/dev/sda1 rw" which works fine. But everytime I do poweroff or reboot Busybox complained about no /etc/fstab, so I decided to build one.Should I have an entry for my root file system? It seems like this is shadowed by the rootfs anyway. I.e. if I have the fstab entry "/dev/sda1 / ext2 1 1" mount still reports rootfs on / type rootfs (rw)/dev/root on / type ext2 (rw,relatime,errors=continue)My questions are:Do I need to worry? Will the drive be correctly unmounted by the kernel on poweroff/reboot?If I want to perform file system checking on boot, can I do that without resorting to an initrd?
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May 5, 2011
I have just tried to update my kernel from 2.6.24.5 to 2.6.39-rc3 on a Slackware 12.1 distribution. I have successfully updated the kernel before, but it was from a newer distribution and newer kernel(Slackware 13.1 and 2.6.33.4). After I updated and rebooted, I got the following error:
Code:
List of all partitions:
0300 4194302 hda driver: ide-cdrom
0800 312571224 sda driver: sd
0801 244197560 sda1 00000000-0000-0000-0000-000000000sda1
0802 68372640 sda2 00000000-0000-0000-0000-000000000sda2
No filesystem could mount root, tried: romfs
Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block (8,1)
Pid: 1, comm: swapper Not tainted 2.6.39-rc3-smp #1 .....
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Jul 7, 2010
I dont know anything about linux and just been assigned to amount a drive to it. here's what i did so far: Version of Linux using Red Hat Enterprise Linux Server release 5.3 (Tikanga) [root]# mount -t auto /dev/sdb1 /tmp/archive mount: unknown filesystem type 'ntfs'
when checking the /proc/filesystems, i noticed that 'ntfs' is not listed there, several forum suggested i try running 'modprobe ntfs'. If that is not found, you'll need a kernel with ntfs support. i'm so lost, where to i get the modprobe ntfs
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Apr 6, 2010
I have download file from this site and have done these steps [URL].
tar -xvf ntfsprogs-2.0.0.tar.gz
chown root.root -R ntfsprogs-2.0.0
cd ntfsprogs-2.0.0
./configure
make && make install
Still I have failed to mount ntfs partition with this command..
mount -t ntfs /dev/hda1 /mnt
or
ntfs-3g /dev/hda1 /mnt
The error is .................
mount: unknown filesystem type 'ntfs'
I am using RHEL5.4 and kernel is 2.6.18-164.el5
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Apr 10, 2011
my external HDD of 750GB bring me an error during mounting!it asks me to get to windows and reboot twice or cmd chkdsk/f of which when i do it only option comes is to format it, i do not wanna format it coz it's with a lot of ma useful data!am using debian just asking if its possible to retrieve ma data from it using commands persay and what are those
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Apr 12, 2011
I'm trying to boot Emdebian Grip 1.0 built on Compact Flash on a mini PC with grub2 as bootloader. Unfortunately , the booting is unsuccessful and I got stuck into an error message :Code:No filesystem could mount root , tried : minix msdos iso9660kernel panic - not syncing : VFS : Unable to mount root fs on unknown-block (22,1)It seems grub2 hasn't tried to mount ext2 as the filesystem and my Compact flash is formatted as ext2. Here is the menuentry of the grub.cfg :
Code:
menuentry "Debian GNU/Linux, linux 2.66.2.9-custom" {
insmod ext2
[code]...
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Dec 24, 2010
Kubuntu 10.10 nicely mounts vfat external media as UTF-8, see for example my disk-on-key:
Code:
/dev/sdd1 on /media/DOTANCOHEN type vfat (rw,nosuid,nodev,uhelper=udisks,uid=1002,gid=1002,shortname=mixed,dmask=0077,utf8=1,showexec)
However, NTFS external media is not UTF-8, and it is giving this user a hassle as her native language cannot be represented in ASCII: Code:
[Code]....
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Mar 12, 2010
I installed Ubuntu Server 9.10 in a virtual machine, and I'm trying to install the VMware Tools but I can't mount the installer CD: $ sudo mount /dev/scd0 /media/cdrom mount: unknown filesystem type 'iso9660'
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Oct 11, 2010
I have an external hdd which is formatted with fat for use by both on linux and windows. The issue is that I can't delete some of the files I have which show up with size 0. Also, the modification timestamp (as detected by Krusader, the file manager I am using) is 1935. How can I delete these kind of files without affecting the running fs?
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Jan 31, 2011
I have installed ubuntu to my pc. i made 3 partitions. one for system, one for data and one for swap. two of them were ext4. after some time i have reinstalled ubuntu again. but this time i didn't put to format the second partition, but just mount it using ext4. after that i cannot open my files. checked with gparted shows that 2GB used, but with df 188MB. and in properties writes ext3/ext4 filesystem. i used chown, chgrp but didn't help. please help, these data are ver important. i cannot lose them.
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Mar 6, 2010
I want to enable Advanced NTFS-3G support (permissions and users) automatically from the fstab entry.
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Dec 24, 2010
I m facing a problem regarding with postfix, when the user try to send a mail to anyone on the system it loopback to itself i
This is my main.cf file:
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May 30, 2011
I'm having some trouble with my Ubuntu 10.04. It had been working normally, and now my startup isn't occurring normally. The bootloader shows my Windows install and two different revisions of Ubuntu. Upon letting it load Ubuntu, however, it goes to BusyBox v1.13.3 and says "built in shell (ash)" and presents me with a functioning command line.
I'm comfortable with working on the command line, but does anyone know where to start with this?
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May 26, 2010
I have the following scenario: I have a file that I want to edit from certain point a certain amount of bytes.
I tried using losetup but failed:
Code:
If I loop the file entirely it works, but that's not helping me. (I'm actually keeping the C option for last since shell programming is less restrictive.
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Mar 24, 2010
I've had a look at some similar threads but as I'm very new to linux they're already a bit technical for me. Sorry, this calls for someone with patience. I gather from other threads that disconnecting an external drive without unmounting is a no-no, and this seems to be the likely cause. Now the disk is read only and I'm unable to change any settings through the usual control panel on ubuntu. I'm just not familiar with the terminal instructions. I tried to cut and past a few command lines from other threads but I got some warnings that proceding could damage data. Like this one: WARNING! Running e2fsck on a mounted filesystem may cause SEVERE filesystem damage.
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Jul 20, 2010
I have installed debian recently and not able to mount any other volume except FileSystem. It says -You are not privileged to mount this volume.I have tried everything including raising the permissions of the user and changing the group to root but in vain.??
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Jan 8, 2010
Something very strange happened. Firefox was acting a little strange, so I decided to restart my system. When ubuntu started to boot it showed an error that said filesystem failed to mount. It gave me an "emergency" command line and told me ctrl-D would retry the mount. Why would this happen? I haven't modified any system files for a very long time. It told me to run fsck (I think thats what it was) and that seemed to fix the problem. Just curious as to what could have happened. Anyone else have this problem? Anything I should try to fix so this won't happen in the future?
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Jun 24, 2010
when I try to boot into Ubuntu 9.10 the first thing that happens is this:
Filesystem checks are in progress
I have seen this on a few occasions and thought nothing of it, I have let them complete in the past and was able to boot no problem, but recently that has changed, whether or not I let the checks complete I get the following error:
Mount of filesystem failed.43708f-0498-4699-9fd5-1f52df0bc181
A maintenance shell will now be started.
Any thoughts on recovering this partition or at least gaining enough access to it to backup some data?
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Sep 2, 2010
I have ubuntu and windows installed on my computer, and sometimes I would need something from the folders I have on windows and I would mount the main hard drive. But now it's telling me "Not Authorized"
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Nov 29, 2010
I'm running Ubuntu 9.10 on a dell desktop from idk when, its fairly old but regardless it was all running fine until about a week ago I got the infamous:
Mount of filesystem failed. A maintenance shell will now be started. Control-D will terminate this shell and start a new one. admin@ or whatever it is you get the point.
I've been trying all the possible solutions I could find and nothing seems to work. I just want to be able to use this computer. I don't care if I lose files, or have to re-install Ubuntu or any of that, if I can just get the thing running again. I've tried re-installing, and booting from the disc etc. none of which have worked. Basically, I just want to erase Ubuntu and re-install it.
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Jan 7, 2011
I have had a system crash and have no idea why - I have booted up through the cd and are runnign off that but i need to know how to get the information off the hard drive before I attemp to format and start again.
Error msg:
Unable to mount 990 GB Filesystem
DBus error org.gtk.Private.RemoteVolumeMonitor.Failed: An operation is already pending
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