Questions tagged [read-only]

Questions related to read-only devices or permissions.

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Create a read-only usb disk

I have Ubuntu installed as a secondary OS on my system. On Windows, I created a bootable Windows 8.1 usb drive, but whenever I insert on another system, the flash drive is being infested by virus (...
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15 views

Hard disk: Read-only file system and blk_update_request: I/O error, dev sda (READ)

I performed dmesg --level=err to get the errors that my disk was reporting. I got a long(LONG) list of blk_update_request: I/O error. I'm new to Ubuntu or any Linux-based os ever, So can someone ...
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Installing Read-Write HDD I get a wrong fs type, bad option, bad superblock error

I recently installed Ubuntu on my laptop that has two internal hard drives. I installed Ubuntu 20.04.02 LTS on the smaller solid state and want to use the other drive for games. I'm having a problem ...
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42 views

How can I proceed if it is impossible to delete a (snap) readonly directory?

I want to execute a similar command to the following command from this post sudo rmdir /usr/share/ghostscript/9.25/iccprofiles The actual command is sudo rmdir /snap/gimp/367/usr/share/ghostscript/9....
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31 views

Cannot mount microSD card

I am trying to mount my micro SD card but it shows write-protected. I have tried disabling using the notch on the adapter. I also ran the following commands: lsblk -p /dev/mmcblk0 ...
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1answer
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I need to run fsck on a remotely hosted Ubuntu 18.04 VM

I have a headless Odoo server running on Ubuntu 18.04 VM in a remote location run by Windows admins. My / is in a Read-Only state, so touching /forcefsck just replies back cannot touch...: Read-Only ...
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38 views

Error Read-only file system in virtual machine

I cannot disable read-only modes. The system is installed on Proxmox. A few days ago it was running normally and suddenly it stopped working and nothing can be done about it, I tried sudo umount /dev/...
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52 views

How do I edit a write-protected file?

I downloaded the Garfield toolkit in the /opt/applications folder. Some examples are present inside the folders which I downloaded with the toolkit, and I want to modify some code inside of them (...
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1answer
42 views

Why my second disk is read-only?

Can you help me? My problem is: I wanted to make a folder on my second disk, in Windows marked as D:, but it's impossible. How to make this disk writable on my Kubuntu? If this is a terminal command, ...
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35 views

How can I update to latest youtube.luac for VLC

VLC is not streaming youtube videos. Having read a number of posts I believe the problem to be that google have introduced a cookie notification page. My understanding is that by getting the latest ...
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1answer
52 views

Why is my MicroSD card suddenly write protected?

I have a 16 GB SanDisk MicroSD card that is plugged into my laptop using a MicroSD-to-SD card adapter that is plugged into an SD-to-USB adapter. It used to work fine, but now I get an error message ...
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48 views

File system becomes read only

I've been operating ubuntu 18.04 for over a year. It was running smoothly until recently I ran into a problem. It keeps saying Read Only file system When I try to cd into any directory and tap Tab for ...
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57 views

What is difference between tune2fs and blockdev for create read-only file system?

What is difference between tune2fs -O ^read-only and blockdev --setro? Did i missed something?
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Ubuntu read-only errors writing to Macbook pro in target disk mode

I have a Macbook pro 8,1 running Ubuntu 20.10 or Mac OS X El Capitan. I have another Macbook pro 5,5 containing an SSD (Crucial MX500 1TB new) with GUID partitions: FAT, HFS+, Ext4. I use it in ...
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1answer
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Running dual boot with Windows 10 and Ubuntu but the files in “Other Locations” are all read-only

So pretty much, got around to partitioning off a segment of my NVME drive for Ubuntu for mining applications and stuff, but recently when I got the folding@home software it wouldn't detect my GPU and ...
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1answer
33 views

Make a read only filesystem for one specific user (Ubuntu 18.04)

How do I make a read only filesystem for one user only? For example, root would have full access to the system, but a user I create called bob only has access to his home directory?
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Discrepancy in partition that I have read, write and execute permissions on

I am running Ubuntu 20.04.2, and am having a problem with cutting, renaming, or moving files in my NTFS partition. It appears to be that I don't have the appropriate permissions, but when I check them ...
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33 views

Root doesn't remount writable during boot

Background: My Ubuntu server sometimes freezes, and I am still trying to find out why. (I thought it was drive access errors on the data drive, but moving it to a different SATA port fixed the errors, ...
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30 views

How do I fix the read-only issue in Ubuntu without running fsck?

I have multiple clusters running Ubuntu 16.04LTS (about 300 servers total). Every week one of the servers switches to read-only. All I seem to be able to find is the quick fix of running fsck, what I ...
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80 views

Filesystem keeps getting corrupted

Foreword: filesystems setting: Ubuntu uses two partitions: / is on my SSD (partition /dev/sda5) /home/ is on my HDD (partition /dev/sdb2) Problem (chronologically): Read-only /home/: using my ...
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131 views

Filesystem keeps going read-only

As I said in the title, filesystem keeps going read-only every time I run sudo apt autoremove or update-grub. I've tried formatting my Linux partition and installed Ubuntu again, did not work tried to ...
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36 views

systemd-journald[290]: Failed to rewrite entry(22 items, 735 bytes); ignoring: Read-only file system

I am on dual boot Ubuntu 20.04. After I login (enter password and press enter key), a blank screen flashes followed by the non-stop chain of the following message scrolling. message: systemd-journald[...
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After recovering windows in my dual boot, intellij can not read file

In my machine windows 10 runs along with my ubuntu 18.04. Recently i tried to go to my windows, but it asked to fix windows 10, So i recovered by following the instructions, successfully logged in to ...
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75 views

Drive Partition is Read-Only in Ubuntu 20.04 LTS

I have a physical drive with several partitions. There is an Ubuntu/Windows dual-boot on this drive. sudo lsblk sdb 8:16 0 931.5G 0 disk ├─sdb1 8:17 0 100M 0 part /media/...
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File system in read only mode

Google translate: Hi everyone, I have a dual boot laptop with Windows 10 and Ubuntu 20.04. Ubuntu has been giving me problems lately, as I use it it switches to read-only mode preventing me from using ...
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1answer
77 views

Ubuntu 20.04 Raspberry Pi - Can't write anything, every file seems to be in read-only

I'm currently running Ubuntu 20.04 (server, not desktop) on my Raspberry Pi and I'm noticing that nothing seems to work. I'm able to SSH into my device, and the first problem I see is that the Message ...
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24 views

Problem with moving files to my external devices (read only)

So the problem is as follows: when I try to copy or move a file (using desktop navigation or the terminal) onto my USB stick or external hardrive it says "device is read only" Which doesn't ...
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33 views

My ubuntu keeps crashing and its really annoying

I installed ubuntu on an external samsung SSD t5 such that when i plug in the ssd my laptop boots from ubuntu and otherwise boots windows. However when I am working on ubuntu it regularly will crash ...
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152 views

journalctl --verify returns faults how do I fix them?

journalctl --verify returns the following but I don't know how to fix it. I think these errors may be causing my linux to crash regularly. If anyone could explain how I can fix these errors, in layman'...
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3answers
56 views

Use nano to change an “on” to “off” line in read only file

I am trying to change a value in this read only file (usr/share/X11/xorg.conf.d/40-libinput.conf) in order to switch a touch screen off. I have have found this question explaining how to disable these ...
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1answer
58 views

CHMOD and how the permissions thing works? [closed]

So I got few questions about CHMOD and permissions in general. I know there are 3 groups: user(the creator of the file, the admin user (?) ) groups others My questions are: Can I create more than 1 ...
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144 views

Ubuntu 20.04 Touro External HDD 1TB HFS+ always Read Only

I have External HDD 1TB ex. used with MAC OS mojave. Now I use Ubuntu 20.04 as my primary OS. When I plug it HDD to ubuntu it's always read only. I was try this post still no lucky. this is ...
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39 views

Internal and external HDD are read-only on Ubuntu 18

This issue appeared awhile ago, but I am now just getting around to fixing it. Whenever I plug in a flash drive or an external HDD, they appear as read-only. Furthermore, out of two internal HDDs, one ...
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1answer
111 views

Fix read-only partitions on Ubuntu 18.04

Few of partitions in my file system have become read-only and I cannot create/copy any file to those partitions. @Charles Green says here to boot from a live USB and run the below command. sudo fsck -...
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1answer
178 views

fstab mount is read-only

I'm trying to mount a drive as Read/Write, but for some reason it mounts as Read-Only. This is the fstab line: PARTUUID=b21e66be-01 /mnt/USB_01 ext4 defaults,auto,users,rw,nofail 0 0 What ...
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24 views

After switched tty the /dev/sr0 can be writable

My ubuntu version is 20.04, and the device is a MSI laptop. First I set the permission of my optical drive device to read-only (set by chmod 440 /dev/sr0) After I switched the tty, I found that the ...
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48 views

Why is ubuntu setting file type to hfs+

I recently installed Ubuntu desktop onto a raspberry pi for and for some reason it is registering my external hard drive as HFS plus even though I've never used a Mac computer before in my life. Now I ...
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1answer
1k views

snap: edit docker configuration

I'd like to configure my docker daemon. To do so, I have to modify the daemon.json file, but unfortunatelly, it's on a filesystem that is mounted read-only; root@shinwey:/snap/docker/current/config# ...
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1answer
67 views

Read only filesystem (/dev/sda7) and booting into intrafms. (WIndows 10 dual boot)

Whenever I try to boot into Ubuntu I get the Intrafms prompt. I have found that I can fix it using fsck /dev/sda7, say yes to all the troubleshooting prompts, and when that finishes I useexit. This ...
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1answer
99 views

Mount ext 4 read-only for old files and writable for new

How can I mount ext 4 file system so that "old files" mount in read-only and can't be deleted renamed attribute changed. But I can create "new files" in which I can write delete ...
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0answers
41 views

Why won't mounting a USB with -o rw give it read/write permissions?

I have an external hard drive. I need to put an mp4 file from ~/Documents onto the hard drive (so onto /media/naomi/SeagateByMe, since I named the external hard drive SeagateByMe). However, when I run ...
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1answer
93 views

Ubuntu 20.04 Read only USB [duplicate]

I have an USB of 8 GB, it is somehow set to read only, previously it was working fine, but I think there is some virus or something that has turned it into a readonly system. I just want to remove ...
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2answers
3k views

How to give a specific user a read ONLY permission to a specific folder in Linux without root?

I want to give a specific user with the username userA permission to only read a folder that I created. Every other post that I found says you should either create a new group, which I cannot because ...
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1answer
177 views

Write permission denied for owner even though full permission is listed

Update: to anyone having a similar issue read the comments for the solution I have a dual boot system and a few partitions distributed along 3 HDDs in my case. They all mount automatically on my KDE ...
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1answer
88 views

I can't write to my hard disk

I am using Ubuntu 20.04.1 and after doing a regular system update I don't have writing access to my second HDD (NTFS). I've tried sudo mount -o remount,rw /partition/identifier /mount/point and that ...
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1answer
99 views

Why did my CDR/DVR stop writing after I installed updates to Ubuntu 18.04.5

I've been using the same system for years now, and since Ubuntu 14.04 have been able to write CD's on it without a problem, but now Ubuntu 18.04.5 sees both my CDR/DVDR as 'read only' and that doesn't ...
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0answers
224 views

Non “Fast boot” Read-only W10 partition

my question is on how to fix the issue where, when trying to move or paste files from a Ubuntu Budgie 20.04 partition to a Windows 10 partition shows the message: "Error copying to «directory» ...
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0answers
228 views

Unable to boot and access/mount the root partition

I am unable to boot into system. I was working normally and then as I decided to log out, and pressed Log out option, a long stream of code started to roll down the screen, and nothing else happened. ...
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0answers
584 views

Why my system goes in Read-Only file system

I am using Ubuntu 18.04 on Dell Inspiron 3543. My pc sometimes goes into read-only file system. I can check it by opening a terminal and creating a file by touch a.txt and its can't create a file and ...
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1answer
450 views

Cannot create directory in snap folder

I am trying to add support for a proprietary codec in Opera according to this question. However, my version of Opera is installed as a snap. I thus would need to know how to create a directory and ...

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