Questions related to read-only devices or permissions.

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11
votes
6answers
75k views

How to fix “sudo: unable to open … Read-only file system”?

The title might not be as descriptive as I would like it to be but couldn't come up with a better one. My server's file system went into Read-only. And I don't understand why it does so and how to ...
11
votes
3answers
32k views

Read Only usb stick that won't let me do anything to it

Somehow I messed up and accidentally made my usb stick into a read only file system. I have tried a bunch of things to delete the files, including the basic (rm -f myfile) and attempting to allow ...
7
votes
1answer
9k views

Why does my NTFS partition mount as read only?

Until recently both my Windows Partition (C:) and my Data Partition (E:) would mount as read/write. Now both seem to only mount as read-only. GParted Resize (Error) ntfsresize v2.0.0 (libntfs ...
6
votes
2answers
7k views

bind mounting read-only using fstab on Ubuntu?

I need to remount one directory (/src) as readonly in another location (/dst). This can be done like this: $ sudo mount --bind /src /dst $ sudo mount -o remount,ro /dst However, I would like to use ...
6
votes
4answers
21k views

Why has my file-system turned read-only after updates?

I'm running 11.10 and I applied some updates. After that whenever I use my computer, I can, but only for about 2 or 3 minutes before it becomes read-only. Any sudo command entered gives me the ...
5
votes
2answers
7k views

Read-only SD cards

I've got an IcyBox USB hub/card reader combo in my computer, running Ubuntu 12.10. It's got an issue with SD cards. It always mounts them read-only, regardless of the write-lock switch. This is ...
5
votes
1answer
1k views

How to create a read-only link to a directory?

One of my scripts dynamically creates a symlink like so: ln -s /home/hosting/projects/images /home/hosting/projects/demo/images How can I make it so that the access through link is read-only?
5
votes
1answer
2k views

Why LibreOffice keeps saying the document is locked for editing?

I created file LinuxNotes.odt some time ago and yesterday I edited that same file at my work place and I was in Guest account when I edited that file. Now whenever I open that file any where else ...
4
votes
1answer
10k views

Unable to mount filesystem as read-write in recovery mode

I deleted two unused user accounts. Now I am unable to login even into my own account. I rebooted in recovery mode in the root shell and tried to restore the back-up of /etc/passwd. However, the ...
4
votes
4answers
2k views

Libre office (read only) issue

I run ubuntu 10.04 with the latest version of LibreOffice (the one release the other day). When downloading a document - like something in excel in my firefox, and want to open it, it opens up in ...
4
votes
1answer
2k views

Ubuntu goes into read-only mode randomly

For the last few days, my Ubuntu 12.10 has been going to read-only mode randomly, making me unable to save any edited files, and forcing me to restart my computer, which is a pain because this is the ...
3
votes
3answers
579 views

defragmentation of ext2

Is it worth it? there is e2defrag. How long will it takes for 120GB? 8h will be enough? I would like to improve read/write on the hard disc. hard disc seems to be new(9 months old). its in my work ...
3
votes
3answers
21k views

How to delete/edit files from readonly filesystem

I am having problem with my memory device (actually a memory card that act external memory device like pendrive). experimentx@workmateX:/var/www/zendtest$ sudo rm ...
3
votes
1answer
24k views

How to change “read-only” file at root prompt [duplicate]

Possible Duplicate: How do I change file system in Ubuntu11.10 recovery mode to read-write mode After blank screen, need to change some settings in xorg.conf Logged in at root prompt ...
3
votes
1answer
580 views

Mount a Device Read Only using Udisk w/ Python

So I am writing a python script that is attempting to use UDisk to mount and unmount devices. I'm using something like this: disk_dev_func = dbus.Interface(self.device_obj, ...
3
votes
3answers
2k views

Ubuntu 12.04 SSD root frequent random read only file system

I really need your help. I've got Dell Inspiron 1545 with 8GB of RAM and Sandisk Extreme 240GB SSD. The disk is seperated into three partitions, /root, /swap - 8GB, /home blkid: /dev/sda1: ...
3
votes
0answers
4k views

How do I format or partition a read-only USB drive?

Whenever I try formatting my Sandisk Cruzer Glide 16GB, I get this error message on Gparted. GParted 0.11.0 --enable-libparted-dmraid Libparted 2.3 Create Primary Partition #1 (ntfs, 14.42 GiB) on ...
2
votes
2answers
16k views

How to mount a hard disk as read-only from the terminal

I have searched google, I've searched this website, I've searched using various terms, phrases, using quotes and without quotes and I cannot find the answer to this seemingly easy thing to do. How do ...
2
votes
3answers
15k views

Changing ownership of read-only file system

I did read the several posts available here on "changing ownership of read-only file systems" but they don't seem to help me. My external hard drive (which I had previously formatted in OS X and used ...
2
votes
1answer
25k views

How to Fix “Read-only file system” error when I run something as sudo and try to make a folder/file?

When I try to save something or rename a file/folder it say this error " Read-only file system" or run something as root in the terminal it say this error sudo: unable to open /var/lib/sudo/"My User ...
2
votes
1answer
1k views

Ubuntu LiveCD,editing xorg.conf

someone has edited wrongly my xorg.conf file in /etc/x11/xorg.conf and so my computer wont show anything,just a blank screen.I want to be able to edit the xorg.conf file and delete all the changes ...
2
votes
3answers
8k views

dpkg: error: unable to access dpkg status area: Read-only file system

I am a newbie in this operating system I installed Ubuntu 12.10 and I found it very interesting to use. Then once I install chromn from ubuntu software I got I/O Error After that I could not ...
2
votes
2answers
5k views

External HDD mounted as read only fat32

My Ubuntu machine has set my external HDD to read only. The drive is a 2TB That I have configured to fat32 so that almost everything can read/write to it. I know that from using the search box on this ...
2
votes
1answer
190 views

How can I get all USB storage device to mount as read-only or offer no mount options at all?

These are the two parts of my query: Is there a way to mount all USB storage/flash/removable storage devices as read-only i.e. set the default mount policy to read-only? Back in Windows OS, I could ...
2
votes
1answer
705 views

Nexus 7 (4.2.2) stuck as read-only on Ubuntu 13.04 (PC)

I have a Nexus 7 running the latest Android (4.2.2) that seems to be stuck as read-only. I cannot transfer any files to or from the device though I am free to look through it. Permissions are: View ...
2
votes
0answers
276 views

13.04, Thinkpad x230, I/O Errors after 15-20 minutes working [closed]

After last update my system became behave strange. After 15-20 minutes all drives become read only. In terminal I get errors: I/O error, Bus error, disk is read only. I checked all my disks by ...
2
votes
0answers
291 views

How to fix Grub loader that hangs and waits for user with read only root partition?

I am trying to create a set of Ubuntu 12.04 slave systems that have a read only root partition and a small read/write partition mounted for a single user. These systems will be used for a short job ...
2
votes
2answers
2k views

Why does my root filesystem keep becoming read-only?

I've lately been having an issue with my root filesystem becoming readonly. It happens some amount of time after boot. I don't know exactly when it happens, as I don't usually notice it until ...
2
votes
0answers
650 views

Google Chrome causing file system to mount as read only

So disclaimer, I am using Lubuntu 12.04 but I'm almost certain it shouldn't make any difference. Earlier this week I resized my lubuntu partition on my harddrive with GParted to be 25 GBs smaller, ...
2
votes
1answer
6k views

“iso-mount seems to be mounted read-only” error in UCK 2.4.6 or 2.2.0

I need to use UCK on 12.04. If I use any version of UCK 2.4.6 or UCK 2.2.0, I am getting an error iso-mount seems to be mounted read-only. Can some one help to quickly sort this error? I need ...
1
vote
4answers
9k views

Read only file system

I'm running Ubuntu 12.10, Upon opening any shell I get the following error: /home/jack/.rbenv/libexec/rbenv-init: line 87: cannot create temp file for here-document: Read-only file system I ...
1
vote
2answers
8k views

How to remount a read-only folder as readWrite?

Background: I need to edit a file which is read only, and its parent folder is also read only. This file is located at a remote appliance. Through ssh I logged in to this as admin and I have the ...
1
vote
1answer
44 views

ubuntu applications segfaults and filesystem remounts with readonly mode [closed]

i dropped a hard disk. after installing fresh kubuntu 12.04LTS applications keeps segfaulting and filesystem remounts with readonly mode. i checked hard disk for bad sectors but none are found. ...
1
vote
1answer
1k views

remounting as read/write — will I lose my data?

I need root access to install a file, but I seem to have forgotten my pw. To change it, it appears I will need to enter GRUB and remount / as read/write as suggested here. I just want to know if I ...
1
vote
2answers
108 views

Unable to mount ISO in write mode

I tried to mount my Ubuntu 13.04 64-bit image using the following command : sudo mount -o rw,loop /home/varun/Downloads/ubuntu-13.04-desktop-amd64.iso /media/cdimage But I gets the following ...
1
vote
1answer
5k views

filesystem is “read only” even though `mount` lists it as “rw”

I'm not sure what happened, but right now all filesystems (expecpt for / which is on a separate drive) are "read only" even though mount lists them as "rw": $ mount /dev/sda1 on /media/Data type ext4 ...
1
vote
2answers
595 views

Mount writable subfolder of read only ntfs partition

I have dual boot (win7/ubuntu 12.04) system. I want to mount a specific folder (namely the Dropbox folder) from my windows partition in my home directory. Unfortunately, I am not able to do that. As ...
1
vote
1answer
512 views

ro root fs on /proc/mounts

my ubuntu 9.10 is mounting the root filesystem as read only. already tried some options found on the forums like fsck, remounts, etc, but no luck... for what I could find, my problem is is ...
1
vote
1answer
927 views

I can't copy to external drive, read only error; can't change permissions even from sudo nautilus [closed]

My drive was just fine an hour ago. I copied a couple of movies to it, and the cord accidentally came out, and now it keeps loading as "read only" every time. I tried rebooting, logging in and out, ...
1
vote
2answers
3k views

I'm stuck between 11.10 and 12.04 with only a read only system

I was trying to update to 12.04LTS from 11.10 and went out of the room. When I came back my laptop went into sleep mode. I assume that it was half way through updating something. The screen would be ...
1
vote
1answer
804 views

Recurring changing owership problem on external HDD

I've had this problem before and now it's struck me again and with full force! Here are the details of my hard drive: 1 TB, HFS+ type partition mounted at /dev/sdb2 Doesn't have write access for ...
1
vote
2answers
4k views

pen drive unmounts and remounts as readonly

When I plug in my USB pen drive, it is automatically mounted as read/write, as expected. However, after a random time it suddenly gets unmounted and remounted as read-only. A part from waiting for ...
1
vote
1answer
839 views

How Do I fix a “[Error 30] Read-only file system” when trying to install?

Please, I would like to know how to fix this problem in order to install Ubuntu 11.04 again. [Error 30] Read-only file system:'/target/boot/vmlinuz-2.6.38-8-generic'
1
vote
0answers
44 views

Disk '/dev/sdb' doesn't contain a valid partition table

I have installed Ubuntu on the USB stick and afterwards tried to clean up the disc to install another version of Ubuntu. I was not able to do it (even when tried to delete files by using sudo -rm), ...
1
vote
1answer
25 views

How to edit a read-only archive?

I have an archive type supported by file-roller and the properties for it have NOT been set to read-only. When I open it, however, I am unable to modify its contents as the file appears to be ...
1
vote
0answers
136 views

External USB Drive read-only cannot change to read & write

Recently I bought a FOXCONN AT-5250 barebones computer that I loaded with Ubuntu 12.04 LTS with the purpose of using it as a Plex Media Server computer. After I got Plex up and running it worked great ...
1
vote
1answer
47 views

AuFS read only branch as another read only branch

My goal is to use an AuFS read only branch as another read only branch: I've got a directory dir0, then I make : mount -t aufs -o br=dir2=rw:dir0=ro none dir1 This gives me - dir0 - dir1 #read ...
1
vote
2answers
2k views

USB flash drives being mounted read-only in 13.10

Ever since installing 13.10 (x64) every time I insert a USB flash drive, it mounts as read-only. I tried using three different drives, and they all get mounted read-only. They were working fine on ...
1
vote
0answers
36 views

installation failed!! says hdd is read only?

I had an old laptop and wanted to install ubuntu onto it, used my other pc running ubuntu to create a startup usb, booted from usb, chose install to hdd, chose erase erase disk and install ubuntu ...
1
vote
1answer
331 views

Files and folders became read only, cannot back up data

I need one urgent help. I am using Ubuntu 12.10. My hard drive is only one year old. Suddenly all of my folders and files became read only. After checking in Google, I came to know that this is ...