Questions related to read-only devices or permissions.
Questions tagged [read-only]
444 questions
227
votes
20 answers
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 solve it.
I can SSH into the server and when trying…
John
- 2,443
168
votes
20 answers
USB devices showing as read only
I am using Ubuntu 14.04.
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, renaming it, then giving that directory…
oodles2do
- 1,843
113
votes
4 answers
How to mount a hard disk as read-only from the terminal
How do you mount a hard disk from the command line as read-only? I don't want or need a link to the man page, I want the exact thing I will have to type in if the following is true:
disk to mount is on /dev/sda
it is 2 TB
-it is critical that I…
wardr
- 2,429
90
votes
10 answers
Why does my NTFS partition mount as read only?
Until recently both my Windows Partition (C:) and my Data Partition (E:) would mount as read/write. Now both seem to only mount as read-only.
GParted Resize (Error)
ntfsresize v2.0.0 (libntfs 10:0:0)
Device name : /dev/sda4
NTFS volume version:…
Lewis Goddard
- 3,745
83
votes
6 answers
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 it doesn't have Read / Write permissions in the…
wayneeusa
- 969
68
votes
7 answers
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 Name"/0: Read-only file system
W: Not using…
MathCubes
- 5,732
45
votes
5 answers
Read Only usb stick that won't let me do anything to it
Somehow I messed up and accidentally made my usb stick into a read only file system. I have tried a bunch of things to delete the files, including the basic (rm -f myfile) and attempting to allow writing (sudo chmod +w myfile) and then deleting,…
Jonathon
- 594
43
votes
7 answers
Why can I modify a read-only file?
Short Question:
Why can we manipulate a read-only file in Vim using : + w + q + ! even without being an administrator?
Long Question:
I have a text file (myFile.txt) which is read-only for everyone:
navid@navid-ThinkPad-T530:~/ubuntuTest$ ls -l…
Positive Navid
- 955
40
votes
3 answers
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.
GParted 0.11.0 --enable-libparted-dmraid
Libparted…
AzkerM
- 10,390
38
votes
1 answer
'sudo apt-get install' is showing "Not using locking for read only file /var/lib/dpkg/lock" warning on Ubuntu Touch
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 get:
W: Not using locking for read only lock file…
33
votes
6 answers
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 ! character didn't help. I'm using vim to edit the file.
WardenMorgan
- 439
32
votes
3 answers
Why can't snap files be modified in any way?
I have been trying for a long time to change Blender's icon, but no matter what I do, I am not allowed to edit anything in /snap/blender-tpaw/3/.
Here's what I tried:
Editing the files from nautilus without sudo.
Editing the files from nautilus…
Tooniis
- 1,602
31
votes
4 answers
How to fix "The destination is read-only" error on HDD partition
How to fix The destination is read-only error on HDD partition with Windows 8.1 dual boot?
Error while copying to ntfs partition
VJ Ranga
- 1,539
26
votes
6 answers
Read-only partition, dual boot WIn10
I am no longer able to write on the data partition files in Ubuntu, due to a "read-only" message appearing.
I have 3 partitions: one has Ubuntu installed (1), one is for Win10 (2)
(dual boot) and the 3rd (3) is for data storage.
Today I updated…
danieleg91
- 273
22
votes
2 answers
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?
Elmor
- 355