Questions tagged [night-light]

For use with the "Night Light" feature found in the GNOME display settings menu. Can also be used for external applications that serve the same purpose, such as Redshift, f.lux, etc.

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Night Light not working on one out of three monitor

I am currently on ubuntu 22.04.1. My setup: I have 2 monitors connected to my nvidia gtx 1060 graphics card, one with hdmi and one with dvi, and I have a third display connected to my iGPU with DVI. ...
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15 views

Prevent night light on HDMI external monitor?

I am using Ubuntu 22.04 and I use night light in the evening. Any way I can prevent that to apply to my external monitor (i.e., my TV, connected via HDMI)?
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How to lower brightness beyond minimum for laptop screen in Ubuntu 22.04?

Problem My laptop's screen remains too bright at night, even at the minimum brightness. Solution I'd like A tool that lets me change brightness beyond minimum brightness. What I've tried already ...
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ubuntu focal broken nigth mode (autooff after switching window/focus)

I get unexpected problem after booting my laptop today. The nigth mode going autooff after switching window/focus and has not loaded after log in as usually. I can run in up but after changing tab it ...
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1 answer
190 views

Night light will still not work on Ubuntu 22.04

I have tried out several solution of this problem described on other posts Making a guest account, checking localization, trying red shift, turning on and off computer Killing the process of night ...
1 vote
1 answer
126 views

Nightlight not working after upgrade to 22.04

Today I upgrade to Ubuntu 22.04 from 20.04 and the nightlight / bluelight filter isn't working anymore. It shows as turned on in in Settings menu but isn't changing anything. How do I diagnose and/or ...
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1 vote
4 answers
1k views

Night light not working Ubuntu 22.04

Toggling night light and adjusting color temperature has no effect on visual. Setting the night light to Manual schedule and playing with the times did not help. Similar to this question but for ...
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0 answers
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Ubuntu 20.04 Unity desktop night light

I have Unity desktop installed onto Ubuntu 20.04. Is there a way to add night light to it somehow? Can it work if I uninstall Unity desktop, turn the night light on, and then install it again? Unity ...
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1 vote
1 answer
145 views

Night light turn off automatically after few seconds

In Ubuntu 20.04.3 LTS kernel version 5.16.3-051603-generic. When I turn on night light it gets disabled automatically after few seconds. Like this: Error video What is the cause of problem? Is there ...
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-1 votes
1 answer
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Is Redshift Application Tracking Our Locations? Or Am I Wrong? What is that means in 'Location' that i have attached in the screen shot?

Redshift Application Info I'm not sure what is that means "Location" in info on Redshift Application. Don't know much about Linux applications. This is why i'm asking from you guys. i'm very ...
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duplicate os x night shift settings exactly/approximately for linux/ubuntu night light

Is there anyway to replicate exactly the mac os x "night shift" temperature settings for night light/redshift? Fiddled a lot with the temperature bar, but never comes close to the appearance ...
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NIghtlight stopped working ubuntu 20.04

I'm not sure how this happend it just stopped working. I tried enabling location services & installing redshift but neither works. I rather not have location services on anyways but if anyone has ...
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2 votes
1 answer
165 views

Night light icon shows up - but desktop colors don't change

I'm using a manual schedule for night light - and right now I'm within the schedule. Using Ubuntu 20.04 I see the 'Night light' icon in my status bar - and clicking it shows 'Night light is on', but ...
1 vote
1 answer
613 views

How to turn on night light only for a specific monitor in a dual-screen setup

I am using Ubuntu 20.04.02. I have connected an old LG monitor via an HDMI cable. When I turn on the Night light- both the monitors (laptop screen and old LG monitor) are affected (as they should ...
1 vote
0 answers
323 views

Night light not working in Ubuntu 20.04.2. What can I do now?

Night light is not working in my computer since last boot. Battery was less than 40% when I booted. How can I fix the problem?
1 vote
1 answer
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Night Light Not Working on LightDm

I am running Ubuntu 20.04.2, and recently switched my desktop manager from gdm3 to lightdm because the GUI from gdm3 wasn't working properly after some NVIDIA driver problems. So far, lightdm has been ...
1 vote
0 answers
39 views

How to prevent night light when Steam is running?

How to tweak night light so it doesn't activate when some specific process (like a game or Steam) is running?
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2 votes
1 answer
252 views

How do I get the color temperature value of Night Light?

How can I get the color temperature value that my Night light has set?
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3 votes
0 answers
429 views

Night light is not working on joined display on Ubuntu 20.04

I was facing the problem of the night light not working on my laptop since I installed Ubuntu 20.04 but it gets resolved as soon as I restart my system. But now, when I started my system, the night ...
18 votes
7 answers
12k views

Night Light not working in Ubuntu 20.04

Today I realized that Night Light stopped working in my machine. When I try to set it up, nothing happens. See attached gif: I am not sure what's causing it to fail. I don't know if there are any ...
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4 votes
0 answers
405 views

Night light is not working

I'm on Ubuntu 20.04 and my night light recently stopped working. I did no changes whatsoever, it just stopped working. What could be a possible fix?
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1 vote
2 answers
2k views

Enabling Night Light permanently on Ubuntu 20.04

I always have had problem with setting Night Light's active range on Ubuntu 20.04. The most obvious: 0h - 0h does not work. However setting 8h - 8h at 8.00 o'clock did work until today. Today it does ...
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1 vote
0 answers
824 views

Night Color and Redshift not working in Kubuntu

I have tried many different things, but neither Night Color in KDE or Redshift works in Kubuntu 20.04. This is a fresh install in with a Nvidia RTX 2070 graphics card and B550 motherboard. I'm not ...
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0 answers
50 views

How to schedule multiple Night Lights?

I just installed standard Ubuntu. I see Settings > Night Light. I see I can set 1 schedule. I'd like to set a more complex schedule with different Color Temperatures at different times of day. ...
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1 answer
1k views

How to enable Night Light on BSPWM?

I've installed Ubuntu 20.04, which has a night light feature. But now I've installed BSPWM and am using it my window manager. BSPWM seems to ignore the Gnome configs. So how do I enable night light on ...
7 votes
2 answers
3k views

Night Light not working on external monitor (through DisplayLink dock)

I have a 2019 Dell XPS 13 2-in-1 7390 connected to Dell D6000 docking station and using Dell SE2719HR secondary monitor. The dock uses DisplayLink technology, for all it matters. My Ubuntu version is ...
10 votes
2 answers
7k views

How to set automatic night mode in Ubuntu 20.04?

How to set automatic night mode in Ubuntu 20.04? In Ubuntu 19.04 options I have to set the time automatic night mode on.
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29 votes
6 answers
29k views

How to turn on Night Light Blue Light filter in Ubuntu 20.04

The Night Light filter, also known as Blue Light filter or Color Temperature filter, is a bit hard to find in Ubuntu 20.04. The Night Light tab is now in shown in the title bar, next to the Displays ...
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2 votes
2 answers
1k views

Make Ubuntu's Night Light look like Manjaro KDE's Night Color

How can I make Ubuntu's Night Light look like Manjaro KDE's Night Color? I want this because Manjaro's Night Color has a lot more features that allows me to customize the settings the way I want. ...
2 votes
0 answers
194 views

night light per monitor

I just installed ubuntu 20.04 and I'm loving night light. But I'm in a dual-monitor setup, and sometimes I'm watching a movie in a screen and browsing the web in the second screen. Yes, it's kind of ...
0 votes
1 answer
1k views

Issues with Gnome Night Light and DisplayPort to HDMI cables

I'm having issues getting Gnome's Night Light feature to work correctly with my monitor setup. I've recently switched to a new graphics card that has three DisplayPort outputs (in addition to one HDMI ...
1 vote
1 answer
2k views

Automatically Disable Night Light when fullscreen?

Ubuntu 18.04 Gnome DE When I go fullscreen in stuff like games or youtube, I'd like night light to automatically disable, is this possible? I like to have it always on to reduce eyestrain for every ...
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2 votes
1 answer
1k views

How to set up night light mode on one monitor and the second one normal

Just like in the title, how can I set up night light mode on one monitor only? Is it even possible to do such a thing? I'm using Ubuntu 19.10 with basic flavor (I think it's GNOME). Everything is up ...
0 votes
1 answer
81 views

Something keeps enabling Gnome Night Light

This is driving me nuts. Some time ago I installed redshift and xflux but since they didn't work I uninstalled them. Since then my Night Light keeps enabling itself every now and then after disabling ...
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1 vote
2 answers
341 views

Where to get Gnome Night Light source code?

I had thought of asking this question on Stackoverflow but there all the "Night Light" references are for Windows 10 Night Light. Too bad Microsoft and Gnome Developers didn't draw straws for who ...
17 votes
2 answers
2k views

Ubuntu Night Light sunset time incorrect

I'm running 18.04. I have the night light set to run from sunset to sunrise. However, it's been turning on early, multiple hours before sunset and is already to maximum redness before the sun even ...
57 votes
4 answers
17k views

How do I adjust the hue (intensity) of GNOME Night Light?

I tried to use GNOME Nightlight in Ubuntu 17.04. The settings only allow me to turn it on and adjust the time. Is it possible to adjust the intensity or temperature of the hue? Currently, it's a bit ...
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