gistfile1.xml

<fontconfig>
  <match target="pattern">
    <test qual="any" name="family">
      <string>serif</string>
    </test>
    <edit name="family" mode="prepend" binding="strong">
      <string>Noto Sans S Chinese</string>
      <string>Noto Sans T Chinese</string>
      <string>Noto Sans Japanese</string>
      <string>Noto Sans Korean</string>
    </edit>
  </match> 
  <match target="pattern">
    <test qual="any" name="family">
      <string>sans-serif</string>
    </test>
    <edit name="family" mode="prepend" binding="strong">
      <string>Noto Sans S Chinese</string>
      <string>Noto Sans T Chinese</string>
      <string>Noto Sans Japanese</string>
      <string>Noto Sans Korean</string>
    </edit>
  </match>
  <match target="pattern">
    <test qual="any" name="family">
      <string>monospace</string>
    </test>
    <edit name="family" mode="prepend" binding="strong">
      <string>Noto Sans S Chinese</string>
      <string>Noto Sans T Chinese</string>
      <string>Noto Sans Japanese</string>
      <string>Noto Sans Korean</string>
    </edit>
  </match>
</fontconfig>

Ubuntu 下面安装

mkdir -p /tmp/noto
cd /tmp/noto
wget http://www.google.com/get/noto/pkgs/Noto-hinted.zip
unzip Noto-hinted.zip
mkdir -p ~/.fonts/noto
mv *.otf ~/.fonts/noto

cd /tmp
wget -O fonts.conf https://gist.github.com/zhuomingliang/be4b584463c9a0d5e9d7/raw/a887c89b72d36b81350c418397628955f5843a4a/gistfile1.xml
cp -i fonts.conf ~/.fonts.conf

然后注销，重新登陆即可