Questions related to read-only devices or permissions.

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7
votes
3answers
28k 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, ...
3
votes
2answers
6k 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 ...
4
votes
3answers
54k 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. ...
3
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 ...
2
votes
0answers
150 views

Hard drive errors - Ubuntu sometimes boots to busybox, then becomes read only [closed]

I have a issue with my home media server (OS ubuntu 14.04 LTS), where about 50% of the time I power it up, instead of booting into the os, I see the following: BusyBox v1.21.1 (ubuntu 1:1.21.0-...
0
votes
2answers
5k views

How to access efi boot partition as read-write?

I have installed Ubuntu 13.04 alongside windows 8 (efi mode) and now I want to go to a read-write access of the efi boot partition. For secure boot to work, I installed the Linux Foundation's ...
2
votes
1answer
28 views

Install linux-headers on nexus 7 2013 running ubuntu touch

I have installed ubuntu touch on my nexus 7 2013 recently, and have faced problem installing driver for Moxa Uport usb adapter. Actually the driver needs to be compilled and this is why I need linux ...
1
vote
0answers
20 views

Partition keeps switching to read only

For the past week my server has been having issues where the boot partition is switching to read only mode. I managed to boot into rescue mode and to check the partitions fsck.ext4 -n /dev/sda1 ...
-1
votes
0answers
18 views

LTO 5 not reading [duplicate]

I have a quantum LTO 5 machine, the machine is in working order. I have it attached through a SCSI card. I have successfully written to an LTO 4 tape, but I need it to read, not write. I can write ...
0
votes
1answer
29 views

Virtual HDD of an Ubuntu 14.04 VM gets read-only

I work with VirtualBox. The host system is Windows 7m the guest -- Ubuntu 14.04. Some time ago I extended the HDD of the VM from 10 to 20 GB. Don't know, if it relates to the issue, but it was the ...
4
votes
1answer
9k 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 ...
1
vote
1answer
1k views

How do I fix a bad /etc/fstab if the hard disk read-only?

I had created a bootable hackintosh usb stick but I found that I had a problem that could be solved by renaming a file or editing another. But the usb stick was read only and, in a moment of stupidity,...
1
vote
2answers
68 views

USB Read-Only Filesystem

I'm pretty confident in Linux now, but this USB stick is complaining of a read only file system, but I wrote to it in Windows 7 a minute ago, and there was no issues. I've tried all the suggestions ...
-1
votes
1answer
36 views

Ubuntu 14.04 READ ONLY SYSTEM

i am new with ubuntu and i installed 14.04, but from the first boot i have a read only system. I can't download or copy files and it is very frustating. Please help me guys i searched online but ...
0
votes
0answers
79 views

14.04 TLS Aborting Journal / Remounting filesystem read-only - how to prevent?

Have ~40 VMs under VMWare/ESXi 5.5 with a guest system Ubuntu 14.04 TLS. About once in 3 weeks one VM goes into read only mode. There's a VMware KB ticket here: https://kb.vmware.com/selfservice/...
0
votes
0answers
60 views

I was able to do apt-get update in Ubuntu Touch without enabling RW mode. Is this normal?

I was taking a look at the terminal on Ubuntu Touch, and I was able to use the command sudo apt-get update. Strangelly, I was hoping to see Unable to write to /var/cache/apt and The Package lists or ...
0
votes
1answer
33 views

Error formatting volume read only volume

When right click on usb and select format from menu I get this error below. Error wiping device: Command-line `wipefs -a "/dev/sdc1"' exited with non-zero exit status 1: wipefs: error: /dev/sdc1: ...
0
votes
0answers
34 views

During a ddrescue, the disk I was writing to was disconnected. Now it is read-only

I'm doing a ddrescue from one external hard drive to another, and I bumped one of the cables and I got the error: ddrescue: Error opening logfile 'logfile' for writing.: Input/output error Fix the ...
0
votes
0answers
27 views

File System turns read only. How to find the problem?

I realized that the file system on my hdd turns read-only randomly. I tried to run a SMART Data & Self-Tests but it fails and reports some uncorrectable sectors. However, the assessment seems to ...
3
votes
2answers
3k 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 ...
0
votes
2answers
37 views

The mkdir command not allowing to make changes in any of its files

I created a folder in Desktop and created some .asm files in there. Now the folder's owner is "root" and I cant change any of it's file rather than first time. It open files in "Read-Only" Mode!
2
votes
1answer
76 views

All files and folders becomes “Read only”

All my files and folders shows lock symbol few minutes after I turn on my system and I cannot edit any of these files as it says cannot save: read only file system. However if I restart the system ...
0
votes
1answer
149 views

mkdir: cannot create directory ‘/media/virtualCD’: Read-only file system

I just want to create a simple folder in root directory but I face this message: mkdir: cannot create directory ‘/media/virtualCD’: Read-only file system. I appreciate your help in advance.
1
vote
0answers
38 views

USB read-only via graphic UI and writable via CLI

Why I'm unable to write on USB via Files (Nautilus, graphic UI) and I'm able to write on it using CLI? Using Files I'm getting the error: Error while copying to "DEVICENAME". This destination is read-...
3
votes
4answers
25k 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 '!' ...
0
votes
2answers
64 views

USB stuck in read-only cannot do anything

I have a USB that is stuck in read only. I can't format it or delete its partitions. I was wondering if anyone knows of a way to fix this. In the fdisk screenshot the size of the partitions and the ...
1
vote
0answers
28 views

I/O Errors (filesystem readonly) after wake with rtcwake

I am trying to schedule the uptime of my server (it's in my bedroom) with rtcwake. The sleeping and waking gives no problems. But after waking the filesystem is set to readonly and I constantly get I/...
44
votes
9answers
263k 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 ...
4
votes
4answers
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 13....
0
votes
1answer
136 views

Harddrive errors, likely cause?

Today while trying to install a program with wine, the whole system suddenly became read only and pretty much everything stopped working. After reboot things worked, but I found the following errors ...
11
votes
1answer
31k 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 ...
0
votes
0answers
68 views

how to change MSDOS file system to FAT32 to NTFS using ubuntu

i have a SD card of 2 gb but it only shows 264MB only and it is read-write protected. i can nither read/write to the SD card nither i can format it, so if somebody knows how to solve it ? please ...
2
votes
1answer
10k 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 games....
1
vote
2answers
34 views

File system goes read-only when using file explorers

I have a problem with my 15.10 system and it goes as follows: When using Nemo or Nautilus (these are the two I've tried) works fine as long as I explore my home directory only. Visiting 'File System'...
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
36 views

Not able to write to pendrive

I have a 2 GB pendrive(FAT16)... I used dd command to make it bootable dd if=archlinux.iso of=/mnt/pd/ But now when I tried to rename some folders in it... it gives an error saying this is read-...
7
votes
1answer
5k 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?
8
votes
4answers
43k 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 ...
3
votes
3answers
4k 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 ...
0
votes
1answer
182 views

GUI gone after setting drive to mount at boot

Im running Ubuntu 15.04 on an SSD which is low on space so I decided to download my Steam games onto a seporate HDD which has only Steam games. I set the partition of that HDD to autostart in Disk ...
0
votes
1answer
41 views

Cant change permission to write a file [duplicate]

I wanted to modify some files in /lib/plymouth/themes/ubuntu-logo. As those were read only, I tried to edit its permission. But it is showing that the owner is root and as I am not the owner I cant ...
0
votes
2answers
1k views

How to solve [Errno 30] Read-only file system

I'm new to this forum, and this is my first question: I bought the meizu MX4 ubuntu edition today. I would like to install Ubuntu SDK. I tried to follow this walkthrough: https://developer.ubuntu....
0
votes
1answer
839 views

How to remove system files that are marked read-only?

I have a pendrive which is full of viruses. These viruses are .js files. Using linux, I can open the pendrive and see which folders they are in. But when I try to remove them by pressing Del button or ...
0
votes
2answers
256 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
0answers
37 views

input/output errors

Hey what goes on everyone? I've been noticing for the last few months that Ubuntu 14.04 is locking up on me, and if I have any applications open (more importantly terminal) if I run a command I get ...
0
votes
0answers
32 views

SD card is writeable after reboot but then stops working

Here is the output of fdisk -l: Disk /dev/sdb: 33.6 GB, 33555480576 bytes 64 heads, 32 sectors/track, 32001 cylinders, total 65538048 sectors Units = sectors of 1 * 512 = 512 bytes Sector size (...
1
vote
1answer
73 views

Make feh (image viewer similar to xv) readonly?

I used feh (an image viewer similar to xv) to view an image and then keyboard ">" to view the image rotated and then "q" to quit. feh overwrote the original image with the rotated image! How do I ...
0
votes
1answer
91 views

Read-only mode stuck in gnome-terminal

I have accidentally turned Read-only mode on in gnome-terminal, however due to a slight malfunction with my touchpad, right-clicking on launches another Terminal window so is there any other way of ...
1
vote
1answer
170 views

How to format a read-only CD

I have a CD that has Ubuntu 15.04 and I want it to have Ubuntu 14.04 because Steam is easier to setup, but if I try to format it (this is the picture of the message I'm getting): I have Ubuntu 14....
8
votes
3answers
25k 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 ...