Hanya mengatur hint+/antialias font untuk keseluruhan system. Caranya create /etc/fonts/local.conf with this content

<?xml version='1.0'?>
<!DOCTYPE fontconfig SYSTEM 'fonts.dtd'>
<fontconfig>
 <match target="font" >
  <edit mode="assign" name="rgba" >
   <const>rgb</const>
  </edit>
 </match>
 <match target="font" >
  <edit mode="assign" name="hinting" >
   <bool>true</bool>
  </edit>
 </match>
 <match target="font" >
  <edit mode="assign" name="hintstyle" >
   <const>hintslight</const>
  </edit>
 </match>
 <match target="font" >
  <edit mode="assign" name="lcdfilter" >
   <const>lcddefault</const>
  </edit>
 </match>
 <selectfont>
  <rejectfont>
   <pattern>
    <patelt name="scalable" >
     <bool>false</bool>
    </patelt>
   </pattern>
  </rejectfont>
 </selectfont>
 <match target="font" >
  <edit mode="assign" name="antialias" >
   <bool>true</bool>
  </edit>
 </match>
</fontconfig>

Result:

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