Questions related to read-only devices or permissions.

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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 ...
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2answers
19 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 ...
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1answer
17 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 ...
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1answer
35 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 ...
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1answer
19 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 ...
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2answers
126 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: ...
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0answers
58 views

Read-only file system

I can't format/delete partition on usb flash drive. I receive an error: Read-only file system. I tried different solutions: root@vi:/# dmesg | grep -i panic root@vi:/# mount /dev/sdc1 on ...
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0answers
26 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 ...
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0answers
19 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 ...
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1answer
35 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 ...
2
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1answer
55 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 ...
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0answers
81 views

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

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 ...
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1answer
46 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 ...
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0answers
186 views

How to troubleshoot cause of read-only file system errors

I'm running Xubuntu off of a fairly new Samsung EVO 250GB SSD. Recently my root file system has been going into read-only mode and I need help troubleshooting it. These are all the errors (and many ...
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1answer
193 views

Ubuntu Read Write External Harddrive Mac - MountPoint Unclear

This is a very basic thing and I cannot get my Ubuntu on mac book pro to write mac external hard drive. It is read only. I followed the instruction on the website below in parentheses and reached ...
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0answers
58 views

Force partition to only mount in read only mode

I have my laptop dual booted with Ubuntu 15.04, and I want to make sure that if I click on my Windows partition in nautilus it will only mount in read only mode, to protect my Windows 7 installation. ...
0
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1answer
22 views

How do I share “/home” itself and give it write acces instead of readonly via Samba

I can see my /home directory with Windows 7 machine but I can only read it. There's no write permission. I created a user called tw8 with this command: sudo useradd -g users -G lp [nameofnewuser] ...
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0answers
100 views

Dislocker mounts Bitlocker drive as read-only -is this normal? How can I make it rw?

So I mounted my Bitlocker drive thanks to Dislocker but one thing I noticed is, it's read only. Lol Command I used to mount: mount -o loop dislocker-file /media/mount How can I make it read and ...
0
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1answer
54 views

Wirte-proteced USB stick [duplicate]

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 ...
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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
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1answer
280 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 ...
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1answer
237 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 ...
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0answers
35 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 ...
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1answer
23 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 ...
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1answer
49 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 ...
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2answers
169 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
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1answer
83 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 ...
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0answers
349 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 - ...
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2answers
1k 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 ...
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0answers
302 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 ...
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0answers
41 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.
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1answer
21 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 ...
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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 ...
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0answers
50 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 ...
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1answer
1k 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
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0answers
58 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 ...
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1answer
102 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. ...
0
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1answer
94 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, ...
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0answers
154 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 ...
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0answers
89 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
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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 ...
3
votes
2answers
779 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
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1answer
119 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.
2
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1answer
378 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 ...
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2answers
855 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 ...
3
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3answers
2k 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 ...
3
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3answers
12k 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, ...
2
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2answers
12k 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
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1answer
256 views

File system went read only after adding ssh key

I followed this guide to set up ssh key on my digital ocean droplet, but since I made step 4 my file system went read-only. I changed /etc/ssh/sshd_config from PermitRootLogin yes to PermitRootLogin ...
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1answer
4k 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): ...