• HiDPI
• XRANDR

HowTos

Optimize Ubuntu interface scaling on HiDPI displays. (Grub, IntelliJ IDEA, etc.)

HiDPI

4k unter Ubuntu
Linux-Desktops auf hochauflösenden 4K-Displays
HiDPI (High Dots Per Inch)
hiDpi
HiDPI setup issue, how to adjust title bar and icons on panel?

XRANDR

Xrandr is used to set the size, orientation and/or reflection of the outputs for a screen. It can also set the screen size.
Using pixel-perfect half resolution on HiDPI displays