没有病毒的乐土 Linux下病毒防范技巧

大家好，以前使用Server版（包括11.04）手动安装图形界面一直没问题，这次不灵了：
我的安装方法如下，大伙帮忙看看有啥不妥：

sudo apt-get install x-window-system-core
sudo apt-get install gnome-core

中文支持：
sudo apt-get install language-selector language-selector-common
sudo apt-get install language-pack-gnome-en language-pack-gnome-zh-hant language-pack-gnome-zh-hans language-support-writing-en language-support-fonts-zh-hans language-support-input-zh-hans

sudo apt-get install xfonts-75dpi-transcoded xfonts-75dpi xfonts-100dpi-transcoded xfonts-100dpi xfonts-intl-chinese xfonts-intl-chinese-big ttf-arphic-gbsn00lp