“Operation not permitted” while trying to create soft link. (Ubuntu 19.04, Can't control brightness...
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I wanted to do this:
$ cd /sys/class
This directory should contain a soft link called brightness
to the brightness device discovered in the previous step. Should it be missing, create it:
$ sudo ln -s /sys/devices/pci0000:00/0000:00:02.0/drm/card0/card0-eDP-1/intel_backlight/brightness /sys/class/brightness
But my output was:
ln: failed to create symbolic link '/sys/class/brightness': Operation not permitted
Meanwhile, I can't control the brightness through the "brightness" button in Ubuntu 19.04. It used to work, but dunno what happened. So I followed this post but I am stuck because of the above output. How do I resolve this issue?
brightness 19.04
asked 27 mins ago
Prabesh BhattaraiPrabesh Bhattarai
1548
add a comment |
I wanted to do this:
$ cd /sys/class
This directory should contain a soft link called brightness
to the brightness device discovered in the previous step. Should it be missing, create it:
$ sudo ln -s /sys/devices/pci0000:00/0000:00:02.0/drm/card0/card0-eDP-1/intel_backlight/brightness /sys/class/brightness
But my output was:
ln: failed to create symbolic link '/sys/class/brightness': Operation not permitted
Meanwhile, I can't control the brightness through the "brightness" button in Ubuntu 19.04. It used to work, but dunno what happened. So I followed this post but I am stuck because of the above output. How do I resolve this issue?
brightness 19.04
asked 27 mins ago
Prabesh BhattaraiPrabesh Bhattarai
1548
add a comment |
I wanted to do this:
$ cd /sys/class
This directory should contain a soft link called brightness
to the brightness device discovered in the previous step. Should it be missing, create it:
$ sudo ln -s /sys/devices/pci0000:00/0000:00:02.0/drm/card0/card0-eDP-1/intel_backlight/brightness /sys/class/brightness
But my output was:
ln: failed to create symbolic link '/sys/class/brightness': Operation not permitted
Meanwhile, I can't control the brightness through the "brightness" button in Ubuntu 19.04. It used to work, but dunno what happened. So I followed this post but I am stuck because of the above output. How do I resolve this issue?
brightness 19.04
asked 27 mins ago
Prabesh BhattaraiPrabesh Bhattarai
1548
I wanted to do this:
$ cd /sys/class
This directory should contain a soft link called brightness
to the brightness device discovered in the previous step. Should it be missing, create it:
$ sudo ln -s /sys/devices/pci0000:00/0000:00:02.0/drm/card0/card0-eDP-1/intel_backlight/brightness /sys/class/brightness
But my output was:
ln: failed to create symbolic link '/sys/class/brightness': Operation not permitted
Meanwhile, I can't control the brightness through the "brightness" button in Ubuntu 19.04. It used to work, but dunno what happened. So I followed this post but I am stuck because of the above output. How do I resolve this issue?
brightness 19.04
brightness 19.04
asked 27 mins ago
Prabesh BhattaraiPrabesh Bhattarai
1548
asked 27 mins ago
Prabesh BhattaraiPrabesh Bhattarai
1548
asked 27 mins ago
Prabesh BhattaraiPrabesh Bhattarai
1548
asked 27 mins ago
Prabesh BhattaraiPrabesh Bhattarai
1548
asked 27 mins ago
Prabesh BhattaraiPrabesh Bhattarai
1548
1548
add a comment |
add a comment |
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