Is there any way to change the brightness and color? Using any command line tools? I am trying in Fedora and Ubuntu but no luck so far. Follow up: [command] [conneccted output] [effects R:G:B, ...
In order to invert colours on monitor, I invoke: xcalib -invert -alter The problem is, that on Dual-Monitor setup it inverts colors only on first screen. I can not use Compitz gadgets for color ...
Sometimes I work in low light and I need to invert the color of specific windows to reduce my eye strain. This could be my pdf viewer to web pages for reference work. I know how to invert the entire ...
I have a new 27" iMac, on which I run Fedora 15 (with no Apple OS) — just boot straight to Linux. The colors are basically accurate to my eye, but the white point is much higher than I'd like (that ...
I used xsetroot -solid "#xxxxxx" to set a background color. I like this color, but did not record the command and it's long gone from the bash shell history. How can I find out what the color was? ...