Questions related to read-only devices or permissions.

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20 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
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1answer
41 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
26 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
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1answer
33 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. ...
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0answers
12 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, ...
0
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0answers
72 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
55 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
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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
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2answers
257 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
31 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
votes
1answer
197 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
314 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
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2answers
458 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
votes
2answers
1k 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, ...
1
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2answers
2k 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
151 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 ...
1
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0answers
120 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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0answers
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
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0answers
34 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
36 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
239 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 ...
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1answer
190 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 ...
0
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0answers
59 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
116 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
57 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
3k 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
326 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 ...
0
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0answers
121 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
287 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 ...
0
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0answers
531 views

Using OverlayFS to enable writing on a read only /etc

Is it a terribly bad idea to create a union mount, using OverlayFS, on top of /etc? I'm aiming to set up a system whereby a read-only root filesystem is installed on an SD card, with writeable areas ...
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2answers
673 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
115 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
95 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 ...
1
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1answer
665 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
577 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 ...
0
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1answer
775 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 ...
0
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0answers
19 views

My ext HHD is READ-ONLY! Posted attempts to correct same confused me and made matters worst! [duplicate]

I am using Ubuntu 14 LTS. I am having issues using my VERBATIM 1TB external HHD. It keeps mounting as READ-ONLY!. I can use it in WINDOWS but when I attempt to load ANYTHING on it in Ubuntu it will ...
0
votes
3answers
1k views

My microSD mounted read-only

I know this question has been asked a lot. I've tried all the solutions, such as formatting, reboot, remount, etc. But my microSD still read-only. I have partitioned my Micro SD into 2 partitions and ...
1
vote
3answers
655 views

How can you delete a folder/file/etc. on a read only DVD+R?

I was trying to get my cd mounted (that problem got fixed), but I burned something to my cd as a test and now I can't get it off.
0
votes
1answer
537 views

How to remove Read-Only system files(Seems to Virus Problem)?

I have a PenDrive wich are full of virus, these vírus are .js files, using linux, I can open the pendrive and see in which folders they are. But when I try to remove by pressing DELETE button or via ...
0
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0answers
35 views

FAT partition seems readonly - but not always

I'm trying to delete data from an external FAT drive, which in the past worked. Now, after some system updates, it seems to be stuck in read-only mode -- although I can't figure out why. The mount ...
0
votes
0answers
261 views

Mounting a read only drive as read write

I have a special bespoke device with a USB interface. When plugging in the device to my laptop - Ubuntu 12.04 it mounts as a read only USB drive - with a file on it. This file is created by the device ...
1
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0answers
49 views

Ext4 switching to read only mode

I have very frustrating problem. My server randomly switches / mount to read only without any pattern. Only message that I've found in logs is: htree_dirblock_to_tree:920: inode #14286877: block ...
1
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0answers
306 views

Fix write-protected(read-only) filesystem

I made bootable usb drive , then USB drive was write protected. I used followng command hrirks@hrirks-MS-7592:~$ sudo fdisk -l Disk /dev/sda: 500.1 GB, 500107862016 bytes 255 heads, 63 ...
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votes
1answer
93 views

I can not write on and delete from my phone connected via usb

I have checked out this question How to make read-only file system writable? but I still have the problem. My option is 'rw', but it does not help, I still can not write files and delete mount| grep ...
1
vote
1answer
872 views

13.10, mount works only in read-only mode

No success mounting a device in read-write mode. After plugging it in, it is mounted. $ sudo lsblk -o NAME,FSTYPE,SIZE,MOUNTPOINT,LABEL NAME FSTYPE SIZE MOUNTPOINT LABEL sda ...
1
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0answers
8k 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
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1answer
90 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 ...
0
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1answer
145 views

How to change a drive's permissions if it's owned by root?

Earlier I was trying to install steam on my 32 Gb Flash Drive, because my hard drive is very small, but I couldn't because it was FAT formatted. So then I formatted it to EXT 4 using GParted, and when ...
0
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1answer
264 views

USB HDD becoming irreversibly read-only

I'm having problem with an external USB hard drive (FAT32). Seems impossible to write, delete etc files, I get error messages saying it is a read only file system. When I try to solve the problem ...