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I create a folder in my Home in Ubuntu and when I tried to save a text file I get

Could not save the file “/home/martin/guradio/Text/qwe”. You are trying to save the file on a read-only disk. Please check that you typed the location correctly and try again.

When I try to right click > copy move to desktop right click > paste the paste option is not active.

How can I make the folder writeable?

Tried running 

sudo chmod 755 ~/guradio

But this did not fix the problem

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3
  • Was it working before now, if so what did you do before this occurred!
    – George Udosen
    Oct 11, 2017 at 12:58
  • Please show the commands used to create folder and used to attempt to create file, then run ls -l ~/guradio and the the result to your question
    – George Udosen
    Oct 11, 2017 at 13:03
  • i create the folder in UI but i got it working after reboot
    – guradio
    Oct 11, 2017 at 13:24

3 Answers 3

Reset to default
3

I restarted my laptop and when it booted I got a command interface instead of the GUI login screen.

I researched a little and ran fsck /dev/sda2. I had to fix the error by answering yes.

When I booted the system normally and tried saving it worked, so the problem is solved.

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1
  • @sudodus i will update the answer if i remember the correct command interface. I see grub from there but it is different something like imf
    – guradio
    Oct 12, 2017 at 0:14
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If Ubuntu is installed alongside Windows, uncheck Turn on fast startup in Windows with three steps:

  1. Startup Windows
  2. Access Control Panel > Power Option
  3. Click "Choose what the power buttons do"
  4. Click "Change settings that are currently unavailable"
  5. Uncheck "Turn on fast startup"
  6. Reboot and log in Ubuntu.
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  • This is only true, if the filesystem is NTFS ... Since the OP fixed the problem by running fsck /dev/sda2 and answering yes to fix errors, it was probably not NTFS.
    – Soren A
    Mar 7, 2019 at 9:35
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What happened to you is likely that you had a filesystem error (or a transient hardware glitch). In that case the HDD is remounted read-only to prevent further corruption (errors=remount-ro in /etc/fstab).

The error message you had ("You are trying to save the file on a read-only disk") was therefore correct. You could have checked that with findmnt {mountpoint} (likely findmnt /), and looking for ro (instead of rw) in the OPTIONS columns:

TARGET SOURCE          FSTYPE OPTIONS
/      /dev/something  ext4   ro,relatime,errors=remount-ro,data=ordered

The best course of action is to:

  • immediately copy any important work to a new media (to avoid overwriting a valid (even if old) copy by something which is potentially corrupt).
  • reboot and try to fix the problem (this may involve reinstalling to a new HDD it the worst case, or just letting the system do an auto-repair if you are lucky).
  • Install the smartmontools package, and check the SMART data of your disk
    • Take the worst-looking numbers with a grain of salt, since some manufacturer encode several bytes of data in a single number (Google how to interpret these numbers for your disk model).
    • But don't overlook any disk health problems; You could have been lucky this time. Better change the disk while it's still usable (you can pick the right model/brand at the best prices since you have time), that having to to an emergency disk replacement at the work possible time (because this is when this happens: exams, project delivery, due to increased workload...)
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