Questions related to read-only devices or permissions.

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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 ...
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1answer
26 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 ...
1
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1answer
31 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
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 ...
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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 ...
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0answers
20 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
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1answer
23 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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1answer
50 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
49 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
112 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
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1answer
189 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
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 ...
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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.
1
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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 ...
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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
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
133 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: ...
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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 ...
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1answer
56 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
39 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
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 ...
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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
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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
361 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 ...
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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.
2
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1answer
266 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
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2answers
508 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 ...
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2answers
902 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 ...
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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, ...
2
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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
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1answer
191 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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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 ...
0
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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): ...
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0answers
37 views

Mount disk with write permissions but leave it untouched

I have a raw image that I would like to mount to my system (Ubuntu 12). The problem is that I don't want to write anything to the disk itself, so the raw image will stay as it was before mounted. I ...
0
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1answer
43 views

User folder accidently relocated, don't have permissions to move it back [duplicate]

Thanks to a rashly typed mv command and my inexperience in installing LaTeX packages, I managed to move my user folder--let's call it /home/bob for the purposed of not revealing my name--somewhere ...
0
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0answers
293 views

Can't write to external hard drive

I can't write to my external hard drive. It was formatted using bootcamp on a mac. Now I'm trying to paste files into the hard drive and I'm using Ubuntu. I can't paste anything on the hard drive. The ...
-1
votes
1answer
312 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 ...
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0answers
65 views

How can I prevent configuration changes to a specific user account?

Edit: Just to be clear, this isn't going to be a web kiosk. The user will be able to run more programs than just a browser. At very least, some text editor and a few other programs which are already ...
0
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0answers
134 views

Updating apns-conf.xml on Ubuntu Touch RTM

I am trying out the rtm-ubuntu-14.09 r1 and need to update my /system/etc/apns-conf.xml file (or create a new one in /custom/etc/) to make it work with Tele2 Sweden. I have the apn settings, because I ...
0
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0answers
71 views

Reformat a freebie USB stick that thinks it is a CDROM

I received a USB pen drive at a conference recently, containing presentations and the like. I would like to reformat it for personal use, but every computer I put it in sees it as if it were a CD-ROM. ...
0
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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
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1answer
410 views

Macintosh HD will only mount ro, because it is journaled

A little history first, I've installed 14.04 on another partition of a MacBook 5.1 because of a completely botched Mavericks upgrade which has left OS X unusable. I had to use rEFInd to get it to ...
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0answers
191 views

Computer randomly wen't into read only filesystem

I was just typing in AbiWord and opened up the filesystem and realized everything had the 'lock' image over it. So I opened the terminal to run an update to see if everything was alright and just as I ...
0
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1answer
340 views

Getting read-only file system after install Lubuntu 14.04

Sorry for my bad English. I am unable to use Ubuntu/Lubuntu after a fresh installation. Few seconds after boot the system is turned read-only. Previous searches indicates a bug with wubi in 14.04 ...
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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 ...
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0answers
128 views

Read-only filesystem Recovery Mode not working

I have seen other posts of this before, but they didn't help. In short, today I was trying to play Colobot on my Ubuntu Trusty computer, when I tried to access the directory the game was in by ...
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0answers
105 views

Secondary SSD stuck as read only

I am having trouble getting my second SSD to work with Linux. I recently switched from Windows to Ubuntu 14.04 and I am still learning Linux. I can see my second drive under Devices in the File ...
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1answer
1k views

How to extract archive or change permissions when there are “read-only file system” errors?

I am using Ubuntu 14.04 and having a problem changing the file permission of a .zip file. I can neither extract it nor change file permissions. When I extract it by command unzip ...
4
votes
1answer
752 views

USB turn write protection off forced

I have a USB-flash device (SanDisk SDCZ33 BM120423519D) with no hardware switch, which is stuck in readonly mode: # hdparm /dev/sdf /dev/sdf: SG_IO: bad/missing sense data, sb[]: 70 00 05 00 00 00 ...
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1answer
884 views

[Errno 30]Read-only file system: '/target/boot/vmlinuz-3.13.0-24-generic'

I am fairly new to Ubuntu and I am trying to install 14.04 on my laptop. The laptop wasn't really working and only boots with Ubuntu CD. I don't care for any files or anything on the computer, I just ...