KDE 下 fonts.conf 配置示例，有两个效果：让 chromium 正确的显示中文字体；konsole 正确的显示中文字体，并且支持显示 Emoji

fonts.conf

<?xml version="1.0"?><!DOCTYPE fontconfig SYSTEM "fonts.dtd">
<fontconfig>
 <!-- <dir>~/.fonts</dir> -->
  <alias>
    <family>serif</family>
    <prefer>
      <family>Noto Serif CJK SC</family>
      <family>Noto Color Emoji</family>
    </prefer>
  </alias>
  <alias>
    <family>sans-serif</family>
    <prefer>
      <family>Noto Sans CJK SC</family>
      <family>Noto Color Emoji</family>
    </prefer>
  </alias>
  <alias>
    <family>monospace</family>
    <prefer>
      <family>Ubuntu Mono</family>
      <family>Noto Sans CJK SC</family>
      <family>Noto Serif CJK SC</family>
      <family>Noto Color Emoji</family>
    </prefer>
  </alias>

 <!-- Do not allow any app to use Symbola, ever -->
  <selectfont>
   <rejectfont>
     <pattern>
       <patelt name="family">
         <string>Symbola</string>
       </patelt>
     </pattern>
   </rejectfont>
 </selectfont>
</fontconfig>

相关博客：http://cosven.me/blogs/72 ，里面讲了这样配置的原因。