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[Kevin Leeds <knleeds@xxxxxxxxx>]

Public bug reported:

f.lux also has no effect. 
also when i try to do
 sudo echo 50 > /sys/class/backlight/acpi_video0/brightness
then it says 'bash: brightness: permission denied'.

Trusty Tahr 14.04 updated to current

** Affects: ubuntu-docs (Ubuntu)
     Importance: Undecided
         Status: Invalid

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https://bugs.launchpad.net/bugs/1545264

Title:
  screen brightness slider has no effect

Status in ubuntu-docs package in Ubuntu:
  Invalid

Bug description:
  f.lux also has no effect. 
  also when i try to do
   sudo echo 50 > /sys/class/backlight/acpi_video0/brightness
  then it says 'bash: brightness: permission denied'.

  Trusty Tahr 14.04 updated to current

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