Questions related to read-only devices or permissions.

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0
votes
1answer
30 views

Wirte-proteced USB stick

I have a USB Stick that seems to be write-protected. I already searched and tried a lot of solutions, but they don't work for me. E.g. I tried: hdparm -r0 /dev/sdb but that does not change ...
4
votes
2answers
3k 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
votes
0answers
10 views

No access to usb

I have been having problem to change my USB from 'read only' to 'read and write' because i had reinstalled Ubuntu on my laptop. Now, it says that i am not the owner of USB. Please help me.
2
votes
1answer
7k 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 ...
0
votes
0answers
15 views

An error occurred while mounting, read only [duplicate]

I've been reading a lot of posts, but none of the solutions have helped me. I only have 4-5 days of experience with any *nix systems. The problem is that everytime I boot ubuntu, it says "An error ...
1
vote
2answers
10k views

How to change read-only pendrive?

I have a generic pendrive with a problem... I can't copy to inside, delete or move any archive or folder from the pendrive. I don't know how this happens, I do not change any kind of permissions... ...
1
vote
1answer
40 views

Removing write protection on udf usb drive

I like many other have this question and can't believe no one has found a way around this. I have a usb drive that is a UDF format and can not format it was given to me by my company and said i may ...
0
votes
1answer
4k views

NTFS disk is read-only and I can't change to read & write

I have used Windows 7 for a long time and thought to give Linux (Ubuntu) a try. I have two hard drives, one 120GB, other 1TB. First one is for OS and software, while the 1TB disk is for data and ...
1
vote
1answer
36 views

Reformat USB flash drive marked “Read Only”

I have a 32GB USB 3.0 Flash drive marked "Read Only". It is formatted FAT32. I don't know when it was formatted as such, and I need to reformat it. I've attempted using Windows' Diskpart to mark it ...
0
votes
0answers
20 views

Read-only + ACPI PCC probe failed

For almost a week now, I get the black screens with ACPI PCC probe failed; starting version 219 and Welcome to emergency mode!. I know this was already debated here. But this is not what bothers me ...
-1
votes
1answer
12 views

Read-only file system problem in several systems

I was experiencing this problem with ubuntu 12.10, i changed to ubuntu 15.04 and still have the same problem. i formatted the whole Hard drive with NTFS and FTA32, reinstalled ubuntu 15.04 and tested ...
1
vote
0answers
24 views

lots of weird behavior regarding file system [closed]

It all started with Psycopg, I was having problems with my database so I figured I'd re-create it and load the latest backup. I ran dropdb database and got an error about not being able to connect to ...
0
votes
1answer
24 views

usb read-only in gui, but works fine from terminal (12.04)

From all that I've read on-line, it appears I have a new twist on the usb-read-only problem. When I first tried a new usb drive, whenever I tried to drag-drop a file into it, I got the error message ...
3
votes
1answer
7k 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 ...
3
votes
2answers
4k 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 ...
1
vote
0answers
2k views

Why does mkfs fail with 'Read-only file system'?

I'm trying to format a pen drive using mkfs, but it fails with: Read-only file system. Here is what I have tried so far: $ sudo hdparm -r0 /dev/sdb1 /dev/sdb1: setting readonly to 0 (off) readonly ...
0
votes
1answer
51 views

Ubuntu 12.04 can't login : read only file system

I tried to login to Ubuntu 12.04 but each time I get back to the login screen, I've tried (Ctrl+Alt+F1) to try console mode but after giving my login/password the message incorrect login appears, so I ...
0
votes
1answer
50 views

Ubuntu won't detect my RAW USB

It was working before I got a "read-only", "waste-basket not detected" error when trying to delete something. I think this may be because the USB became partially disconnected? Other computers asked ...
0
votes
0answers
118 views

Cannot format read-only USB; 'Error calling fsync(2) on /dev/sdb: Input/output error ' when I try to format the drive

I'm trying to format this USB, when I plug it in it mounts and I can read what's on it, but can't write to it or delete anything (read-only error). First I tried the normal 'Disk utility' - unmount - ...
1
vote
1answer
206 views

Read / Write permissions in /opt directory

I installed Android Studio in my /opt directory without a hitch and have been using it. Recently, though, Android Studio informed me of an update. It won't perform the update, however, because it says ...
28
votes
7answers
178k 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 ...
0
votes
0answers
56 views

Error creating directory: Read-only file system

I am using Ubuntu 14.04 and I have some data on my drive. The problem is I want to take backup of my important data, but whenever I connect my external HDD and try to copy my data onto it. I get ...
3
votes
2answers
34k views

Unable to open /dev/sdb read-write (Read-only file system)

As in the title, I'm unable to format it as it says read-only. I've tried couple of searches and the solutions too. Even I tried GParted to see I have any luck. Unfortunately below is what I get. ...
0
votes
0answers
37 views

Boot with /home in readonly

I need to boot (just for once) with my home directory non-writable. Can I do that? /home is on the root fs (which has to remain writable). Thanks.
0
votes
1answer
41 views

Can I make a read only image read write?

I have seen on this forum that I can't run apt-get on a read only image (I got one of the Ubuntu phones from BQ). Is there any way around this? One of the reasons I wanted an ubuntu phone was to play, ...
1
vote
1answer
19 views

automounting in ro mode (or with any options) ntfs partitions fails

It seems that it has been more than a year since this bug has been fixed: https://bugzilla.redhat.com/show_bug.cgi?id=1180663 When can we expect an update in the Ubuntu distros. I spent about half a ...
3
votes
3answers
3k views

USB devices showing a read only

I have an 8gb FAT32 USB stick and a 500gb FAT32 HDD; both of these have suddenly become read only devices. I've tried deleting the directory inside /media and then creating it again, naming it, ...
0
votes
1answer
2k views

EXT4-fs errors and sd errors. Rejecting I/O to offline device

System Configuration: Ubuntu 12.04 server 64bit HP Proliant dl140 g3 32gb of RAM Intel X5365 quad core 3GHz LSI SAS1068 2x WD black 2TB SATA HDDs in RAID 1 Errors: [ 2044.430919] EXT4-fs (sda1): ...
0
votes
0answers
12 views

Access old NTFS partion to read files [duplicate]

I tried to access my old NTFS partion to read files only that are very important. It told me that it's hibernated and I can read the files only (which would be no problem for me). I searched on the ...
0
votes
0answers
30 views

thumb drive went in to read only mode, no idea why?

It's almost brand new, suddenly sudo dd if=/dev/zero of=/dev/sdd bs=512 count=1 dd: failed to open ‘/dev/sdd’: Read-only file system tried with sudo hdparm -r0 /dev/sdd /dev/sdd: setting ...
-3
votes
1answer
141 views

How can I edit the sudoers file since visudo command doesn't work properly [duplicate]

i tried to edit the etc/sudoers ,while trying to add myself to the sudoers file,but I'm unable to edit it. As I entered the command visudo the following came as output $ visudo visudo: ...
2
votes
0answers
39 views

Can't go past the grub screen

I am going to preface this with the fact that I am extremely new to Ubuntu, so I don't know much. When I start up my computer it takes me to GNU GRUB version 2.02~beta2-9ubuntu1 Not knowing ...
0
votes
1answer
58 views

NPM Read-Only File System for User

So I've been a bit of an idiot. I was trying to fix an NPM issue, and ran these two commands: sudo chown -R $USER ~/.npm sudo chown -R $USER /usr/local/lib/node_modules as per this suggestion. ...
15
votes
1answer
16k views

Install with sudo app-get install doesn't work, “Not using locking for read only file /var/lib/dpkg/lock”

I just installed Ubuntu Touch on my Nexus 7. Unfortunately I can't install anything from the terminal app: If I enter: sudo apt-get install yasm -y git make g++ build-essential libminiupnpc-dev I ...
2
votes
1answer
63k 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 ...
8
votes
3answers
18k 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 ...
0
votes
0answers
106 views

USB Write Protect Switch - how does Linux know?

I have a USB drive /dev/sdb, and inside sdb are some separate mount points ( /, /boot, and so on. ). I am running Ubuntu off the USB stick, just an FYI. I have a hardware write protect switch which ...
0
votes
0answers
70 views

I can't format a USB drive

It looks dead I have tried How to format a USB or external drive? Appreciate any help
1
vote
2answers
1k views

The best way to create a root filesystem, split between read only and writable

My aim is to create a system where the main parts of the root filesystem are stored on a read-only SD card, with writeable parts located on an SSD set to rw. This is to be done with a view to keeping ...
1
vote
0answers
20 views

How to Recover Ubuntu default file system permissions [duplicate]

I made a big mistake.. When I trying to give some permissions to localhost project In terminal I typed 'sudo chmod -R 755 /' Now nothing work. I tried to fix this By this commands mount -o ...
1
vote
3answers
4k views

Ext4 constantly mounts as read-only

I'm at a complete loss, here. After only using my computer for short periods of time (often less than a minute), my root partition (Ext 4, /dev/sda5) become read-only without warning. This happens ...
6
votes
2answers
6k 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 ...
3
votes
2answers
366 views

How do I make a drive write-protected or read-only in linux?

I have installed Ubuntu on my machine, I have Windows on a small ssd and I would like that ssd not visible, read-only, or write-protected while I am using linux as I do not want any mistakes to mess ...
0
votes
1answer
69 views

How can I change the mode of Sqlite Database?

I want to add some record in my database it is read_only by default, how I can change its mode to add the record. I want some linux command, I was trying gfix but it failed to execute.
1
vote
2answers
10k views

HFS+ hard drive being mounted as read only

This is a recurring problem and occurs a few times a week. I have an external hard drive which is hfs+. Every couple of weeks, for no obviuous reason, when I mount it by pluggin it in to my Ubuntu ...
2
votes
1answer
267 views

Why can't I write data to SD Card

I am about to upgrade hard drives and I was attempting to back up data to an SD card that I had used before flawlessly. The disks app said that it was read only, and when I put in a cat picture to ...
0
votes
2answers
521 views

Thumb drive suddenly “read only file system”

I just downloaded and installed 14.04 to replace a xubuntu 14.10 that has been crashing on every reboot. Now, with nothing else installed, I copied about 2 gig of pictures, files, etc onto a thumb ...
1
vote
2answers
922 views

USB Disk stuck in read only after dd an ISO

This has probably been asked before but I have not been able to find it so I'll ask again. Here's what I did: sudo dd if=./windows.iso of=/dev/sdb #sdb is a 64gb USB disk Afterwards I was unable ...
2
votes
2answers
4k views

How to edit read-only file in etc?

I'm a brand new user so I'm not sure of my way around the system yet. I want to change my computer's name, so I tried to edit the name in /etc/hostname, but it is a read-only file. Adding the '!' ...
1
vote
0answers
149 views

Fat32 mounting as read only

I've edited my /etc/fstab to contain the following: UUID=F285-17E1 /media/TV-1 vfat rw 0 0 UUID=6CBA-1DEC /media/TV-2 vfat rw 0 0 UUID=7D3B-170D /media/TV-3 vfat rw 0 0 UUID=BBFF-1EE4 ...