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转载:http://blog.csdn.net/liberize/article/details/8858052教育网推荐使用USTC软件源。首先备份现有软件源：$ sudo cp /etc/apt/sources.list /etc/apt/sources.list.bak打开/etc/apt/sources.list：$ sudo gedit /etc/apt/sources.list添加以下内容：# ustc sourcesdeb http://mirrors.ustc.edu.cn/ubuntu/ raring main restricted universe multiversede 阅读全文
