Install fonts-powerline by entering the following commands in the terminal:
sudo apt update sudo apt install fonts-powerline
Description:
powerline symbols font
This package contains the font which provides symbols used by Powerline, a prompt and statusline utility. It also contains the fontconfig settings that makes these symbols available as part of other installed fonts.
Homepage: https://github.com/Lokaltog/powerline
Version: 2.6-1
Section: universe/python