I am trying to get the automatic brightness bug fixed in Linux Mint 17 based on the new Ubuntu release. In order to do this i had to create a file named


in location


but this file and every other file in this directory has read only permissions on it. How do I change this permission to at least this file so that I can edit it?

  • Use sudo gedit /path/to/file to edit as root. Or run file-manager as root ex:sudo nautilus /path/to/directory – Pandya Jun 3 '14 at 10:38

Those files are owned by root, so they are not editable by your normal user.

Supposing you have the new file in ~/Desktop, you could copy it with:

 sudo cp -v ~/Desktop/20-intel.conf /usr/share/X11/xorg.conf.d

However, it is strange that you need to put a file inside /usr/share/ as that's handled by the package manager. It can probably also work at a place like /etc/X11/xorg.conf.d and that would be prefered over /usr/share/X11/xorg.conf.d (/etc is designed for system configuration)

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