Install fonts-nanum by entering the following commands in the terminal:
sudo apt update sudo apt install fonts-nanum
Description:
Nanum Korean fonts
Nanum font families are Korean font families which are intended for use on computer screens. These fonts are good with computer LCD monitors because they have used rich hinting techniques like subpixel rendering. . This package contains commonly-used Korean font families.
Homepage: http://hangeul.naver.com/font
Version: 20170925-1
Section: universe/fonts