پیکربندی از طریق فایل /etc/fonts/local.conf رو امتحان کردید؟
➜ ~ cat /etc/fonts/local.conf
<?xml version='1.0'?>
<!DOCTYPE fontconfig SYSTEM 'fonts.dtd'>
<fontconfig>
<alias>
<family>serif</family>
<prefer>
<family>Vazir WOL</family>
<family>Noto Serif</family>
</prefer>
</alias>
<alias>
<family>sans-serif</family>
<prefer>
<family>Vazir WOL</family>
<family>Comic Sans MS</family>
<family>Noto Sans</family>
</prefer>
</alias>
<alias>
<family>monospace</family>
<prefer>
<family>Monaco</family>
<family>Iosevka Medium</family>
</prefer>
</alias>
</fontconfig>