Unix and Linux Stack Exchange
Unix and Linux Stack Exchange

Questions tagged [redshift]

14 questions
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1 answer

How to remove *all* green and blue light: xcalib and redshift seem not to?

I'd like to have a redshift-style effect on my laptop screen but where I truly remove all green and blue light, leaving only red. I've experimented with redshift, which doesn't seem to take it all the way, only redder, but neither it seems does…
justme
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1 answer

Debugging strange EACCES (Permission denied) permission error

I have a symlink to a world-readable file that a c program is being unable to read. redshift is supposed to pick up configuration from $HOME/.config/redshift/redsihft.conf automatically, but it wasn't. I tried tracing system calls to understand what…
user84207
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Running redshift on Debian returns a “Segmentation fault”

$ /usr/bin/redshift -l 52.3:16.3 -t 6700:3500 Segmentation fault DISTRIB_CODENAME=rodete DISTRIB_DESCRIPTION="Debian GNU/Linux rodete" DISTRIB_ID=Debian DISTRIB_RELEASE=rodete I restart my machine and I saw a popup with cannot run redshift. I…
Elad Benda
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3 answers

toggle a program using bash script

I am trying to make a script that will toggle redshift (a night mode application). So, I've done this, #!/bin/bash pgrep redshift > /dev/null && \ killall redshift || \ setsid redshift [options] &> /dev/null This looks up for…
Galilean
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How do I install Redshift 1.12 on Linux Mint 19 Cinnamon from source?

Redshift packages which are available in most distributions are dated 2016-01-02, which is > 2.5 years ago. Like on my system - Linux Mint 19 Cinnamon 64-bit - there is only 1.11 version available: $ apt-cache policy redshift redshift: Installed:…
Vlastimil Burián
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Linux: Redshift is blinking

I am using Arch linux with i3wm and picom as compositor. I would like to be able to use redshift. But when I launch redshift, it turns itself on and off every two seconds, resulting in annoying screen blinking. What can I do to stop this blinking…
Jan Černý
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redshift not working as intended

I am using Kali Linux and to filter the blue light, I am using this command: redshift -O 3500 But after a minute or so, the screen again goes back to default (does not filter the blue light anymore). Is it because redshift does not work during the…
mujin
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Why does redshift use the deleted file /memfd:pulseaudio?

I ran a rkhunter scan (sudo rkhunter -c --enable all --disable none --rwo) and it showed me that redshift is accessing a deleted file. I'd like to find out why it's doing so and why it would need access to anything related to audio. The output is:…
mYnDstrEAm
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Spool/Capture output of COPY command in postgres/Redshift in shell script

I have shell script which will insert data into Redshift/Postgres database using psql command and i am using > for capturing script output. It captures everything but not how many rows inserted. When i run manually script on screen i can see rows…
user437275
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Redshift prevents manual backlight adjustment (LXQt)

Redshift seems to work fine, dimming my screen with the red tint at night, but when Redshift is running (whether actively enabled or not) I cannot control laptop brightness with the laptop brightness keys (F2 and F3). Instead, pressing the keys will…
colorful-shirts
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Resdhift specify multiple time periods

I use redshift to regulate the levels of blue light of my display. I like the program but it only lets me specify a dawn-time and a dusk-time, which limits the ability to configure the temperature throughout the day. Is there a way to set other time…
noibe
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Using redshift without geoclue: why doesn't it allow me to specify how I'd like to have my screen color temp changed / set my position manually?

I'd like to use the redshift to change the screen color temperature before I intend to go to sleep. Now it looks like redshift requires me to install geoclue. But I don't want to have that package installed. And in addition I'd like to specify the…
mYnDstrEAm
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How to create a command to incrementally increase redshift's color temperature?

redshift is a package that enables blue light filter, so people can avoid eye strain. This software is pretty good, but it lacks controls to adjust the filter color temperature, incrementally: no sliders, buttons or commands. When I say…
surfboardcompound
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Redshift user service disallowed from using GeoClue2

I can't get Redshift to retrieve geolocation information from GeoClue2. The state right now, after a reboot and without having changed any packages or configuration since the reboot, is that the GeoClue service is running: $ systemctl status…
l0b0
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