General :: Mounting A Read Only File System Ubuntu 10.04?
Jan 28, 2011
I made a modification to the /etc/fstab using Ubuntu 10.04 and now it wont boot correctly. I can get the cli but when I enter /etc/fstab and make an edit it says" changing permission of /etc/fstab: read only file system" This is what I get when the system boots:
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so if I choose manual I get to the cli and whenever I attempt to edit the file I get the above error. I used another machine and attempted to mount the drive but I get the same error I added notaime option to my fstab by accident so if I choose manual I get to the cli and whenever I attempt to edit the file I get the above error. I used another machine and attempted to mount the drive but I get the same error. I tried
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and I get
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How can I mount the partition so that I can edit it?
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Jan 28, 2011
I made a modification to the /etc/fstab using Ubuntu 10.04 and now it wont boot correctly. I can get the cli but when I enter /etc/fstab and make an edit it says" changing permission of /etc/fstab: read only file system"How can I mount the partition so that I can edit it
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Apr 13, 2011
I have a dual boot Xp and Ubuntu 10.10.
Recently I was downloading some upgrades in Ubuntu and unfortunately the power to the system got off.
Thereafter on booting it comes to the Grub menu and I'm able to select the OS from the list but if I choose Ubuntu it comes up with a message "General error mounting file system" and the terminal is activated. However, if XP is selected it boots with no issues.
/dev/sda6 is ubuntu installation
/dev/sda7 is swap partition
I went through lot of threads over the net and tried fsck, e2fsck and other variations of that command but at the end all I get the message as
it says sda6 is clean but for sda7 it says :
Superblock invalid trying backup blocks.... Bad magic number in super-block while trying to open /dev/sda7 at the end it suggests "u might try running e2fsck with an alternate superblock: e2fsck -b 8193 <device>"
refering some threads here I tried my luck with live CD and the command : sudo e2fsck -C0 -p -f -v /dev/sda7
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Apr 25, 2011
I have Debian Squeeze installed. I have 3 different HDDs, one of them is SATA, the other 2 are IDE, on one of which I have the distro installed.
How do I mount the other 2 partitions? I see them in "Places" but when I click on them I get an error message "Unable to Mount <The name of the volume> Can not get volume.fstype.alternative".
I can see both volumes in /dev/ntfs. I tried doing
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May 2, 2010
I bought a new SD card which I intend to put some MP3s on - except that I can't write to it because it tells me the destination is Read Only. No-probs thinks I: I'll just reformat it.
"Error creating file system: helper exited with exit code 1: cannot open /dev/mmcblk0p1: Read-only file system"
Various chmod commands all result in Read-only file system. I tried umount then mount commands, but it couldn't find it to mount once I'd unmounted it using the same /media/ file path (I assume it's the only one).
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Jun 27, 2010
I have an image of an ext3 file system done with dd. I know that the file system is corrupted but I want to try to recover some files. Whatever I dd it again to the original partition or assign the dd image to a loop device, that's what happens:
- dumpe2fs -h gives me a valid ext3 superblock.
- as I try to mount the device read only, it fails with a bad magic number error.
- executing dumpe2fs -h again gives bad magic number error.
- trying debugfs or fsck with backup superblocks fails the same way.
For me it seems that in spite of mounting the device as read-only, mount command do something wrong with the superblock as before the mount the superblock is correct and it's there.
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May 11, 2011
I need to customize linux kernel root file system for embedded linux system. During compile time, for root file system I am able to create different user/group ex: "gnumuzic/Muzic". But I want to give access to group "Muzic" to some folders like /dev/nexig during compile time.
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Jan 19, 2011
i have used debugfs command and "open -w /dev/sda1" command, but i did not close it. the file system is in read-only mode now.
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Jul 12, 2010
My Redhat Enterprise Linux 4 with 6x partitions (/, /boot,/home, /usr, /var, /tmp) of 6.0 GB IDE Hardisk was working quite fine. I decided to create LVM on /home and /var partitions but due to some errors occured and I delete the /home partitions. That's why partition table altered. I then delete 4,5,and 6th partitions (/home, /var, /tmp) partitions and now try to create one by one but following error is coming:-
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The Super block could not be read or do not describe a clear ext2 file system. E2fsck b 8193 <device> I have tried following commands,but could not successful:- e2fsck -p /dev/hda7 (where hda7 was created but afterthat it was deleted) e2fsck -a /dev/hda7
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Mar 15, 2011
Possible Duplicate: Cross-platform file system Can you please tell me what kind of file system can be read by MacOS X, Linux and Windows? And it can create a file greater 4 GB?
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Jan 4, 2011
I regularly rsync directories to an external usb drive. Recently I've started getting errors which look:
blah blah:Read-only file system (30)
The external usb drive has two partitions (ext3 and fat32) and I rsync to the ext3 one. The rsync command is
rsync -ahi --delete /home/mike/some_dir /media/usb_drive
People have reported this error with faulty usb cables but everything was working fine until recently so it seem unlikely a usb cable would suddenly wear off.
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Sep 7, 2009
How well is the ext4 new file system mounting compatibility with the older ext3 previous Linux installations ? I refer to Ubuntu 9.04 and the new Fedora 11 which have the option to install with the ext4 file format. Will it be better if I install with the older ext3, so that I will be able to mount all other Linux from each other in a multi-boot system ?
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Feb 4, 2010
What are the possible problem when Windows access the file from Ubuntu got Read Only even though have a full permission to read, write and execute the file? Ubuntu to Ubuntu accessing the file there is no problem only Windows got a problem.
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Sep 9, 2010
I have a computer in the university and I have root access to this pc. Iam trying to install Cblas library on it. But it gives me a starnge error /usr/local/atlas is read only file system. I tried doing mount -l and it gave me that appserver1:/export/d1/Linux/doe on /usr/local type nfs4 (ro,sec=.......) I think what it means that the main server directory is mounted to /usr/local and it is read only. So, how can I fix this problem to separate the two and make my /usr/local separate
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Mar 2, 2010
Does anyone know why files in my /tmp directory are not able to rm even using root login? not only that, I can't even chmod or do anything to files in /tmp directory... it always saying "read only file system" warning
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Jun 15, 2010
I'm having problem copying files from my laptop (windows xp) to moxa (linux) using ftp.
The error im getting is "533 read only file system".
Tried reboot and fsck but problem remains.
mount output below:
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Sep 27, 2010
I am using Gentoo Linux and for a while now, the root file system is mounted read-only on booting. For obvious reasons, this is quite annoying as most services do not start up correctly (I do not use a separate file system for /var). After the system is up, I have to log in, remount the root file system read-write, fix /etc/mtab, mount all other file systems in from /etc/fstab and then start up all the missing daemons. I know that there are ways to make a system run properly with a read-only file system, but I would rather restore the old behaviour of a writable root file system.
The strange thing is that after running mount / -o remount,rw, the file system is mounted in writable mode without any errors. I suspected some problem with fsck, but now I have disabled automatic file system checks on the partition (tune2fs -c0 -i0).When I run dmesg, only these lines mention the partition at all, although I am not sure if not something gets lost because /var/log is not writable:
EXT3-fs (sda5): mounted filesystem with writeback data mode</code>
EXT3-fs (sda5): using internal journal
The line in /etc/fstab looks like this:
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Feb 2, 2010
Have just assembled a new computer and thought I would install the 64 bit version of openSUSE 11.2 in a "Windows free zone". After a hiccup or two I have managed to get a system of sorts running but on trying to copy files from my old computer(via a memory stick) it tells me that Vfat is an unknown file system.On my old computer I am running 32 bit openSUSE 11.2 as a dual boot system with Windows XP and have no problems moving files between the two different file systems.Is it possible to get a 64 bit file system to read 32 bit file system drives and if so how do I do it?
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Mar 10, 2010
I am using Slackware 13 x86_4. I have it set so that when I close my lid, it suspends to RAM. When I open my lid, it asks for password, but after I enter it, it freezes. I force KDE down by Ctrl+Alt+Backspace then read the errors. It says:
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xauth: error in locking authority file /home/ridwan/.Xauthority
rm: cannot remove '/home/ridwan/.serverauth.3457': Read-only file system
When I try to startx again, it says
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/usr/bin/startx: line 158: cannot create temp file for here document: Read-only file system
/usr/bin/startx: line 174: cannot create temp file for here document: Read-only file system
/usr/bin/startx: line 174: cannot create temp file for here document: Read-only file system
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It forces me to power off the laptop by holding down the power button. When I try ctrl+alt+delete, I get an error saying "can't execute from /sbin/shutdown/"
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Oct 6, 2010
I want to simply mount an ext4 file-system onto a normal mount point in Ubuntu (/media/whereever), as read-writable for the current logged-in user, i.e. me.
I don't want to add anything into /etc/fstab, I just want to do it now, manually. I need super-user privileges to mount a device, but then only root can read-write that mount. I've tried various of the mount options, added it into fstab, but with no luck.
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Jul 9, 2010
I have an external Western Digital Hard drive with two HFS partitions with journaling disabled.When I connect it to a computer running Linux (Debian or Ubuntu), frequently both partitions are mounted read-only. In the past, mounting them on my Macbook and executing the command to disable the journaling often worked (even though it would tell me that journaling was already disabled) but I would love to have a solution which works every time.
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Jul 21, 2010
I plugged in my USb drive into my computer yesterday and tried to delete a folder. I was unable to do so and got the following message
Cannot move file to trash, do you want to delete immediately? The file "my file" cannot be moved to the trash. Show Details Unable to create trashing info file: Read-only file system
So when I click on delete I get another error message:
Error while deleting.
There was an error deleting Case Study Database. Show Details Error removing file: Read-only file system
At this point I can only click on Skip, Skip All, or Cancel.
I have not changed anything on the stick recently so I dont know what is causing the problem.
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Jan 28, 2011
Can windows read files from a home file server with an ext4 file system? or do I have to partition the drive with the server (ext4) and an ntfs partition with the files on?
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Sep 29, 2010
In the boot process of Linux we have the initrd that is a root file system and is mounted before the real root file system become ready to mount. What is the procedure of mounting? What should happen so we can say that file system is mounted? And another little question why we say ¨root¨ file system instead of just file system?
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Jan 13, 2011
I wan to mount a custom hardware's USB file system. I am using Lucid Lynx.When I used the command$ sudo mount -t usbfs none /proc/bus/usbThere was an error as there was no/proc/bus/usbI tried to put it in fstab entry so that /proc/bus/usb will be mounted at boot but no luck.
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Jun 9, 2011
I have two hard drives in my desktop, a 250GB and 500GB.
The first drive has the swap and / the second drive is just sat there having to be mounted before use. I have a half remembered thought that the second drive could be given a mount point within the file system. I have often partitioned drives so that / is septate to /home but not over different phisical drives. I wouldn't want the 500GB to be /home because a large chunk of the 250GB would not normally be used.
What I would like is to have the first drive set 20GB / the rest to /home. Then the 500GB set to /home/data so it would apear within the home directory or even better /home/user/data as I'm the only user of the computer.
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Jun 16, 2009
All my torrents go to my home/username/Download/ folder, I could read/write yesterday but now I cant even copy the files to a flash drive.The error i get is "Cannot create regular file '/home/username/Download/file' : Read only file system.
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Nov 4, 2010
I was going to install VMWare tools on an Ubuntu server Virtual Machine, but I ran into the issue of not being able to create a cdrom directory in the /mnt directory. I then tested to see if it was just a permissions issue, but I couldn't even create a folder in the home directory. It continues to state that it is a read only file system. I know a little about Linux, and I'm not comfortable with it yet. Requested Information from a comment:
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Jun 2, 2009
I have a dual boot system (CentOS and Windows XP Pro). The computer has 2 disks with the operating systems on sda. My data files are on the 2nd disk (sdb I think). I would like to be able to access the data files on sdb from CentOS. I tried issuing the Linux command:mount -oro -t ntfs /dev/sdb1 /mnt/winbut CentOS tells me that ntfs is not a file system it recognizes. Even if I leave out the -t ntfs I get the same message. Any ideas on how I can get access to the Windows files while in the CentOS boot?. I got the idea for the above mount command from the book: Fedora 10 and Red Hat Enterprise Linux Bible byCristopher Negus.
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Apr 23, 2011
I really like being able to mount remote file systems using the Places > Connect to Server ... tool on Ubuntu 10.10 -- it makes transferring files a breeze.
Unfortunately, the only way to access a particular server at work (call it Server A), is by first SSHing into an intermediate (Server B), which is the only one with a public ip.
My process for transferring files from Server A is currently:
myComputer $ ssh serverB
serverB $ ssh serverA
serverA $ scp file to serverB; exit
serverB $ scp file to myComputer
Needless to say, this gets tiring, and multiple transfers are slow.
Is there a way to mount serverA directly on my computer (by tunnelling through serverB in the background)? Failing that, how about using sftp?
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