Questions tagged [redshift]

Questions about redshift, a command line program to set color temperature of display according to time of day. User may also use this tag to refer the graphical user interface of redshift.

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Where do I report Redshift causing Desktop Crash? [duplicate]

I'm posting this first of all to share in case someone else runs into my problem and second of all to ask where I report the problem more specifically. Recently I have installed Ubuntu Mate 22.04 on 3 ...
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31 views

How to configure the REDSHIFT program so that it does not change the brightness of the screen?

For "Night Light" I use Redshift software. Unfortunately, this program automatically changes the brightness of the external monitor to the default value: the value in the Lubuntu system ...
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Redshift only works on laptop screen, not on external monitors

Redshift (v1.12) works fine but only on my laptop's screen, not on the twin external monitors that are what I normally use. I usually only run the externals, but sometimes run all three together. ...
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-1 votes
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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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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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Kubuntu 21.04 night color not working

My system doesn't starts with night color (I have set it to be always on). Occasionally while I am using my system it starts the night color filter for 2-3 seconds and then it turns off. However the ...
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4 votes
2 answers
372 views

How to disable redshift (service) on startup

I have redshift installed on a XUbuntu 21.04. Apparently it's a service systemd[4048]: redshift.service: Failed with result 'exit-code' and it runs at startup. I'd like to disable redshift on startup, ...
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Help me solve several problems with Redshift on Lubuntu 21.04

I have multiple issues with Redshift. The first issue has to do with two Redshift instances running simultaneously. There are five processes in GNOME System Monitor as seen in this image, but I think ...
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4 votes
1 answer
1k views

Redshift alternatives on Xubuntu 21.04 with Wayland

On Xubuntu 21.04 with Wayland, Redshift doesn't work anymore. I have already tried the following apps that were mentioned to me: f.lux doesn't work. Safe Eyes no temperature color settings. Blue ...
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1 answer
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Redshift keeps changing back to 6500K after a few seconds

I restarted my computer today and suddenly redshift wasnt activating on boot so I used the command redshift -O 3500 to try and set it manually but when I hit enter it changed to 3500K for a few ...
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3 votes
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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 ...
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2 votes
2 answers
569 views

Running Redshift script as a service

I am very new to Linux and I am trying to get practice writing scripts and making my own services. I wanted to take my simple simple redshift script that changes the color temp of my screen and make ...
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1 answer
939 views

Python 3 can't find 'gi' module

This issue began when I was trying to run redshift-gtk. I installed the program manually and it runs fine via just redshift, but I want it to run with the indicator. I always get the following output: ...
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567 views

WARNING: Error loading desktopfile

I have googled around and can't find any specific info on this. When I run gnome-tweaks, I get the error: WARNING : Error loading desktopfile: /home/sam/.config/autostart/redshift-gtk.desktop I don'...
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Redshift behaving weirdly / probably driver problem

I tried to update my graphics drivers from AMD for my laptop. I am running ubuntu mate (Linux <hostname> 4.15.0-96-generic #97-Ubuntu SMP Wed Apr 1 03:25:46 UTC 2020 x86_64 x86_64 x86_64 GNU/...
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How to use redshift adjust color for display

I use ubuntu and other Linux distro,all of them can't display color best on my screen as window, i've try copy *icm file in Windows, but can't use it in my ubuntu, when import , it not effect, So i ...
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777 views

Redshift CLI - how do I prevent redshift from dimming the screen?

When redshift is running - screen dims a bit. This was noticeable while watching videos in VLC. Even if I "disable" redshift from its options the dimming remains. Only when I exit the program ...
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4 votes
1 answer
9k views

Unable to locate package apt_pkg

I opened Ubuntu 16.04 after more than 2 months and now I receive an error to install any package (I tried to install redshift package(night mode)). ERROR E: Unable to locate package apt_pkg I tried ...
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CompizConfig color filter not processing shader files

I can enable the color filter, toggle screen filtering with super-d, and then switch filters with ctrl-super-s, but only builtin filters work. I tried adding these filters (fragment shaders) https://...
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4 votes
1 answer
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F.lux or redshift and lubuntu issues

I'm a noob. Putting this out there right away. Using Lubuntu 19 I want a blue light filter. So I've installed f.lux, but when I adjusted the brightness on my laptop it toggles or flashes between the ...
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2 votes
0 answers
161 views

Brightness and night light not working on Ubuntu 18.04/19.04

Since the very first day I installed Ubuntu on my laptop it has constantly annoyed me with several bugs. I managed to solve some of them myself, but others are still ruining my days. The reason why I'...
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1 vote
1 answer
352 views

Control Redshift WIth Local Time

On my phone, I have my screen change it's colour temperature at a specific time of the day in the morning and the night using local time. I also have an option to turn on/off the night mode quickly. I'...
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2 votes
1 answer
1k views

Even with temperature at 6500K, Redshift seems to "darken" the screen

I didn't like the fact that Redshift altered my screen temperature on daytime too, so I set it's daytime temperature to 6500K which is supposed to be the "default" temperature. However, the screen ...
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0 votes
1 answer
868 views

Redshift any way to set Hotkeys/Keyboard Shortcuts to +/- 100 temperature

You can type, e.g. redshift -O 4000, in terminal to set temperature to 4000 exactly but sometimes you want to adjust the colour slightly in either direction once it has been set at a value
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3 votes
2 answers
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how to run redshift automatically

I'd like to start redshift application automatically after boot in Ubuntu 16.04. This can be done by creating a *.desktop file in .config/autostart. It leaves me with the terminal window open, though, ...
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1 vote
1 answer
183 views

How to turn on Redshift, without Redshift trying to determine if it should be turned on?

I'm having trouble getting Redshift to dim my screen when i want it to. One problem is that it sometimes complains that it cannot fetch my location due to a geoclue2 error, so it doesn't turn on as a ...
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Massive color temperature shifts with GNOME Night Light when selecting text

GNOME night light works fine with color temperatures ~>4500. Once I start dipping below 4500 I get the behavior shown in the gif below. I issue the command gsettings set org.gnome.settings-daemon....
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2 votes
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Kubuntu 18.04 Redshift Control Plasmoid has no effect

I added Redshift Control Plasmoid, added some settings, but nothing happens. Running redshift from command line changes colort temperature, but plasmoid always shows 6500K. However mouse wheel up/down ...
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4 votes
2 answers
3k views

Redshift permission error "GDBus.Error:org.freedesktop.DBus.Error.AccessDenied"

I followed the answer here: How do I kill redshift?. I ran this command redshift -o 6500 I receive the following error message: Trying location provider `geoclue2'... Using provider `geoclue2'. ...
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7 votes
1 answer
4k views

Change temperature values of Night Light

The screen of my laptop (Dell XPS 15) is rather blue. I found that I can tweak it a little bit with redshift. During the day, 6000K is the perfect temperature, in the evening I tend to use 5500K. ...
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5 votes
1 answer
947 views

Mouse cursor does not honor night light

I just installed 18.04. Night Light is active, but the mouse cursor is not "red-shifting". I am using the default 'DMZ-Black' cursor theme. But the pointer outline is a glaring bright white color, ...
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4 votes
2 answers
5k views

How do I turn off Redshift in Ubuntu 16.04?

I installed redshift on my Ubuntu 16.04. I just type in the terminal redshift to enable, but when I want to stop it, I press Ctrl+C and it turns off for 1 second and comes back again. So, how do I ...
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1 vote
1 answer
806 views

How to create a delayed startup command

this question might be simple but I'm new to Linux.. i had a screen tear issue with my nvidia graphics card, i looked up a YT vid and it said it has something to do with the composition pipeline and ...
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3 votes
1 answer
2k views

Screen stuck on Night Light Mode

The screen is perpetually pink, and it won't turn off. When I turn on night light, the color stays the same. I tried using redshift, and it doesn't work. Here's what I get when I type the command "...
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4 votes
1 answer
1k views

Is it possible to disable redshift on just one screen from a multi monitor setup?

I've got an e-ink display and would like to disable redshift on just this screen, but keep it enabled on the other two monitors. How do I setup this? Is it possible to increase contrast as well? (The ...
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24 votes
3 answers
18k views

How to use "xrandr --gamma" for Gnome "Night Light"-like usage?

Background: More red / Less blue at night To save the eyes at night, adding more red and/or subtracting blue, is becoming popular in Windows 10 (blue-light filter) and Linux; Gnome Desktop (Night ...
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12 votes
2 answers
6k views

Redshift configuration - how to set fixed transition hours?

Is it possible to configure Redshift so that screen color changes at fixed hours regardless of actual Sun position? I'm using Redshift 1.10-5ubuntu1 on Ubuntu 16.04 and GNOME.
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5 votes
1 answer
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Redshift couldn't be initialized after upgrading from Ubuntu 17.04 to Ubuntu 17.10

After upgrading from Ubuntu 17.04 to Ubuntu 17.10 Artful Aardvark, Redshift didn't autostart. Then I tried to initialize Redshift by running sudo redshift but it produced this: Trying location ...
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redshift can not find geoclude2, after ubuntu 17 update

As i said in the topic, i got problem with geoclude. I got: unable to start GeoClude client: GDBus.Error.....AccessDenied:Geolocation disabled for UID 1000. I also install fluxgui then, but even ...
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5 votes
2 answers
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How do I get the Redshift functionality of smart adjustment of the color temperature throughout the day in a Wayland session of Ubuntu 17.10?

Redshift is a neat little program allowing you to adjust color temperature of the screen during the day and separately during the night. Is it possible to achieve this with GNOME 3 on Ubuntu 17.10? ...
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8 votes
3 answers
9k views

How do I kill redshift?

I have installed redshift using apt-get. I started it up in a terminal window, and then accidentally killed the terminal. Redshift did not stop running itself. My screen is most certainly still under ...
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3 votes
1 answer
807 views

How can I change the settings for my running instance of redshift?

I have redshift-gtk running happily in my system tray. I want to create some keyboard shortcuts to change the brightness setting for redshift. I can change the brightness if I just open a terminal ...
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1 answer
59 views

Exempt an application from redshift?

I'd like to use redshift on Ubuntu to redshift all but some whitelisted set of applications, e.g. Emacs, which I've configured to look the way I want already. Is this possible? If so, how do I ...
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0 votes
1 answer
909 views

How do you uninstall everything to do with a specific program (redshiftgui)?

I am trying to uninstall redshiftgui and apt -remove doesn't want to let me, the message is in the screenshot. How do I entirely rid myself of this erroneously downloaded application? (I am on gnome.)
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5 votes
5 answers
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Problem with running redshift

I installed redshift by using the following command in terminal: sudo apt-get install redshift redshift-gtk But while running the program i ended up with errors: So i installed geoclue with the ...
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5 votes
2 answers
2k views

Permanent f.lux

I want F.lux enabled at all times, not only during the night. I also installed Redshift, it has the same limitations of checking my latitude. The Windows version of F.lux has always-on ...
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2 votes
1 answer
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Permanently change system color temperature [duplicate]

I want to change my system screen color settings to red color temperature of 3000k. I am using ubuntu 16.04LTS, I have also tried with Flux and redshift, It doesn't help me. Flux - doesn't have ...
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2 votes
0 answers
175 views

Automatically and progressively dim and warm screen

I would like to automatically dim the screen from 100% to 20% and get the color temperature from 5000 K to 2000 K. It should be progressive from 8pm to 11pm and it should turn off at 5am. Here are ...
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4 votes
2 answers
6k views

How to use Redshift without the geoclue2 provider?

Redshift seems to use the geoclue-2.0 package to get the location specification automatically upon its launch. This usually works. However, whenever I don't have an active internet connection from ...
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3 votes
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367 views

How to know the current brightness and reddiness with redshift?

redshift sets how bright and reddish will show the display. Say that the system is adjusted by executing redshift -l 55:55 -t 3600:3600 After setting them, is there any way to read these data out?
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