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How to fix “Authentication is required to create a color profile/managed device” on Ubuntu

What it fixes:

  • "Authentication is required to create a color profile“
  • “Authentication is required to create a color managed device“

Fix

Create new policy file

Create file /etc/polkit-1/localauthority.conf.d/02-allow-colord.conf.

Enter this content:

polkit.addRule(function(action, subject) {
 if ((action.id == "org.freedesktop.color-manager.create-device" ||
 action.id == "org.freedesktop.color-manager.create-profile" ||
 action.id == "org.freedesktop.color-manager.delete-device" ||
 action.id == "org.freedesktop.color-manager.delete-profile" ||
 action.id == "org.freedesktop.color-manager.modify-device" ||
 action.id == "org.freedesktop.color-manager.modify-profile") &&
 subject.isInGroup("{users}")) {
 return polkit.Result.YES;
 }
});