【Ubuntu 12.04使用过程中所遇到的问题与解决方法（二）】

问题4：终端下载安装软件慢
解决：Ubuntu终端下载的软件一般都是从默认官方源获取，而官方源一般在国外或
      访问量很大，这就造成下载速度慢。解决方法是更换为国内的更新源，推荐
      163源，速度较快且稳定，还有搜狐源也不错。还有教育网地址，但博主个人
      不推荐，毕竟在公网使用占多数。

#163
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#sohu
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       打开终端输入sudo gedit /etc/apt/sources.list打开配置文件，选择一个
      源将其全部覆盖，然后保存退出，输入sudo apt-get update更新软件列表，
      同时你还可以在使用sudo apt-get upgrade更新已安装的软件。