Q: How to install Extra Fonts?

1. Read General Notes
2. Read How to add extra repositories?

3. sudo apt-get install xfonts-intl-arabic
   sudo apt-get install xfonts-intl-asian
   sudo apt-get install xfonts-intl-chinese
   sudo apt-get install xfonts-intl-chinese-big
   sudo apt-get install xfonts-intl-european
   sudo apt-get install xfonts-intl-japanese
   sudo apt-get install xfonts-intl-japanese-big
   sudo apt-get install xfonts-intl-phonetic
   sudo apt-get install gsfonts-x11
   sudo apt-get install msttcorefonts
   sudo fc-cache -f -v
   sudo cp /etc/fonts/local.conf /etc/fonts/local.conf_backup
   sudo gedit /etc/fonts/local.conf

4. Find this section

   ...
   <!-- Uncomment below to enable the freetype autohinter module -->
   <!--
     <match target="font">
       <edit name="autohint" mode="assign">
         <bool>true</bool>
       </edit>
     </match>
   -->
   ...

5. Replace with the following lines

     <match target="font">
       <edit name="autohint" mode="assign">
         <bool>true</bool>
       </edit>
     </match>

6. Save the edited file (sample)
7. Read How to restart GNOME without rebooting computer?