版本：Ubuntu 14.04 LTS 默认语言：English(United States)
Debian 和 Ubuntu 下对中文支持比较好的字体有： fonts-droid、ttf-wqy-zenhei 和 ttf-wqy-microhei 等，除了文泉驿系列字体外，比较流行的免费中文字体还有文鼎提供的楷体和上海宋，包名分别是： fonts-arphic-ukai 和 fonts-arphic-uming。
sudo apt-get install fonts-droid ttf-wqy-zenhei ttf-wqy-microhei fonts-arphic-ukai fonts-arphic-uming
注： 系统字体可以手动安装， /usr/share/fonts/
在/etc/fonts/conf.d 里面加上3 个文件的链接： cd /etc/fonts/conf.d/ sudo ln -s /etc/fonts/conf.avail/69-language-selector-zh-cn.conf
<?xml version="1.0"?>
<!DOCTYPE fontconfig SYSTEM "fonts.dtd">
<fontconfig>
<match target="pattern">
<test name="lang">
<string>zh-cn</string>
</test>
<test qual="any" name="family">
<string>serif</string>
</test>
<edit name="family" mode="prepend" binding="strong">
<string>WenQuanYi Micro Hei</string>
<string>AR PL UMing CN</string>
<string>AR PL UMing HK</string>
<string>AR PL New Sung</string>
<string>WenQuanYi Bitmap Song</string>
<string>AR PL UKai CN</string>
<string>AR PL ZenKai Uni</string>
<string>HYSong</string>
</edit>
</match>
<match target="pattern">
<test qual="any" name="family">
<string>sans-serif</string>
</test>
<test name="lang">
<string>zh-cn</string>
</test>
<edit name="family" mode="prepend" binding="strong">
<string>WenQuanYi Micro Hei</string>
<string>Droid Sans Fallback</string>
<string>HYSong</string>
<string>AR PL UMing CN</string>
<string>AR PL UMing HK</string>
<string>AR PL New Sung</string>
<string>AR PL UKai CN</string>
<string>AR PL ZenKai Uni</string>
</edit>
</match>
<match target="pattern">
<test qual="any" name="family">
<string>monospace</string>
</test>
<test name="lang">
<string>zh-cn</string>
</test>
<edit name="family" mode="prepend" binding="strong">
<string>WenQuanYi Micro Hei Mono</string>
<string>Droid Sans Fallback</string>
<string>HYSong</string>
<string>AR PL UMing CN</string>
<string>AR PL UMing HK</string>
<string>AR PL New Sung</string>
<string>AR PL UKai CN</string>
<string>AR PL ZenKai Uni</string>
</edit>
</match>
</fontconfig>最后更新字体缓存， 注销重新登陆
sudo fc-cache -f -v
gconf-editor
- 应用程序字体：/desktop/gnome/interface/font_name
- 文档字体：/desktop/gnome/interface/document_font_name
- 桌面字体：/apps/nautilus/preferences/desktop_font
- 窗口标题字体：/apps/metacity/general/titlebar_font
- 等宽字体：/desktop/gnome/interface/monospace_font_name
谢谢