CentOS Gnome字体不清晰

须要安装字体：dejavu-sans-mono-fonts

The package you need to install is dejavu-sans-mono-fonts. This is the default monospace font used by GNOME and KDE. You may also wish to install the variable width DejaVu fonts as well. Those are in the dejavu-sans-fonts package.

参考：https://serverfault.com/questions/430239/centos-6-gnome-terminal-font-is-garbled-until-arabic-support-is-installed