Steam Library-Must be on a filesystem mounted with execute permissions

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Solution 1

This Steam error occurs because your drive is mounted by root and you don't have execute permissions on the drive (I think). You can use the disks app to change this.

Search disks in the dash, highlight your drive and under the usage image is a small cog icon, click this and edit mount options, now make your settings look like this

enter image description here

Leave the rest as it is and reboot. Now your drive can be found in /mnt and is auto mounted as your user at boot.

This is how I fix this error in 14.04, NTFS drive.

Solution 2

just got this error despite already having uid and gid set up properly as @delf answer; in my case windows left the "dirty bit", so i had to unmount it, run sudo ntfsfix -d /dev/sdb1 where sdb1 is your disk, and remount it.

Solution 3

For the logs: using ntfs-3g driver, the following minimalistic fstab did the trick for me

/dev/sdaX   /media/target-mountpoint    ntfs-3g defaults,x-gvfs-show    0   0

Hope that helps anyone :) Before i had forced uid and gid (to the user i was actually logged in with) and that didnt worked for some reason (i could create folders and files on the drive from a shell though, not sure what the problem was). So the options that didnt worked:

defaults,permissions,users,uid=1000,gid=33

(Yes, my host user has www-data as primary group)

Solution 4

The bug is a result of the 'users' fuse flag. I mounted the drive with the following fstab entry:

UUID=DRIVEUUID   MOUNTPATH   ntfs   errors=remount-ro,uid=1000,gid=1000,dmask=0027,fmask=0037,defaults   0 0

UID and GID are from my default non-root user, which I also use to start Steam as.

When you add the 'users' flag, you'll immediately get the mentioned bug.

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Alkarin
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Alkarin

Updated on September 18, 2022

Comments

  • Alkarin
    Alkarin over 1 year

    I've looked at various questions and threads and forums on this and nothing has worked.

    I've been trying to mount a HDD that I have my linux games installed to. This drive worked flawlessly in the past but now Steam needs to find it again to say these games are installed. But when I try to add the appropriate folder I get this error:

    New Steam library folder must be on a filesystem mounted with execute permissions

    I've tried changing the folder name as suggested here and I've tried the solution here but run into a permission denied. Therefore I followed the steps here but am still running into permission is denied.

    My question is what am I doing wrong and am I going about this correctly? How can I make steam see my games folder again? Any help is really appreciated.

    I am running Ubuntu 14.04 and the drive location is /media/alkarin/Volume11

    /dev/sdb2 is indeed ntfs

  • Alkarin
    Alkarin over 8 years
    That did it. Thank you! And thank you for explaining why its not working as well.
  • Jesse
    Jesse about 7 years
    This solution doesn't seem work in Ubuntu GNOME 17.04.
  • xcy7e
    xcy7e almost 5 years
    did you try the "rw"-option with the ntfs-driver?
  • sea212
    sea212 almost 4 years
    Same situation on Mint 19.3 (Ubuntu 18.04.1) - applied this solution and it worked. Thx!
  • Danilo Kobold
    Danilo Kobold over 3 years
    worked on debian with ext4 drive too
  • gkats
    gkats over 3 years
    Thank you so much, I never knew that windows could leave a dirty bit on the partition. Chosen answer did not help.
  • Hassan Al-Jeshi
    Hassan Al-Jeshi over 3 years
    This worked for me on Kubuntu. Of course I used "KDE Partition Manager" to do the task
  • Dan
    Dan about 3 years
    This worked for me, thanks!
  • BookOfGreg
    BookOfGreg almost 3 years
    I had to specifically set the extra mount options to defaults,x-gvfs-show to get it to mount with executable for Steam to load the games.