That's cool--for whatever it's worth though, f.lux did have an update relatively recently, and I think some of the color filters are new? So if you tried it years ago, version 4 might be more to your liking, especially the darkroom mode. But how it runs on Linux might be a sticky wicket. I haven't used Linux as a main OS in over a decade, so I'm fuzzy on a lot of Linux stuff. I know that, for example, f.lux exists for Android but it isn't very good. It requires a rooted device, which I have, but I installed it and it didn't support my video driver and didn't even have the decency to say so, just quietly did nothing. CF Lumen is much better for Android. It works best with root, though it has tolerably okay screen filters for non-root users.
Redshift is a f.lux competitor for Linux, but I haven't tried it so I can't vouch for it personally. http://jonls.dk/redshift/
It's been ages, but I think there might be some compiz/beryl options that alter your screen? But I don't really know.
The specific way of changing the video driver settings was more Windows-focused, though I'm certain there's a way of doing it on Linux. You can usually do most things on Linux, though I find Windows is just as customizable if you're really stubborn. I use Pidgin for chat (it even works as a third-party client for Skype, Discord, Hangouts, Steam chat, and others!) and that's skinnable on Windows too. Actually, I gave it a black aero glass effect on Windows 10 (Redstone 5 no less!), because I'm a nerd with a retro aesthetic. But I have a GTK themer program with dozens of preinstalled themes, and of course all the themes can be edited by hex values.
I know with Firefox you can alter a lot of pages in CSS with stuff like Greasemonkey or Stylist (or the Stylish fork of your liking). I use a Firefox fork (Basilisk) myself, and definitely take advantage of that. But yeah--changing it at a video driver level cuts to the source. I actually used that for the opposite, when I use my tablet outside in the summer I find it hard to see the screen at all, so I made an outdoors video driver profile that boosts all the whites and brights to blinding levels (and is absolutely eye-scorching to accidentally turn on indoors). It works though, it makes my screen barely visible in sunlight instead of completely unreadable.
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Redshift is a f.lux competitor for Linux, but I haven't tried it so I can't vouch for it personally. http://jonls.dk/redshift/
It's been ages, but I think there might be some compiz/beryl options that alter your screen? But I don't really know.
The specific way of changing the video driver settings was more Windows-focused, though I'm certain there's a way of doing it on Linux. You can usually do most things on Linux, though I find Windows is just as customizable if you're really stubborn. I use Pidgin for chat (it even works as a third-party client for Skype, Discord, Hangouts, Steam chat, and others!) and that's skinnable on Windows too. Actually, I gave it a black aero glass effect on Windows 10 (Redstone 5 no less!), because I'm a nerd with a retro aesthetic. But I have a GTK themer program with dozens of preinstalled themes, and of course all the themes can be edited by hex values.
I know with Firefox you can alter a lot of pages in CSS with stuff like Greasemonkey or Stylist (or the Stylish fork of your liking). I use a Firefox fork (Basilisk) myself, and definitely take advantage of that. But yeah--changing it at a video driver level cuts to the source. I actually used that for the opposite, when I use my tablet outside in the summer I find it hard to see the screen at all, so I made an outdoors video driver profile that boosts all the whites and brights to blinding levels (and is absolutely eye-scorching to accidentally turn on indoors). It works though, it makes my screen barely visible in sunlight instead of completely unreadable.