Linux: ‘Why do my fonts look so bad?!’ Here is a fix! | Microsoft holds patents on particular font rendering technology for LCDs. Most distros remove any patent protected fonts and as a result fonts look bad on LCDs. But there is a fix!
Install Fonts in Ubuntu Linux | To install a font in Ubuntu, simply double click on the font file (either .ttf or .otf). This will open up a preview of the font. Click on ‘Install’ to install. That’s it! You may have to issue this command if fonts do not show up right away for any reason: sudo fc-cache -f -v