- 找到配置文件
cd /etc/apt - 备份原来的文件
cp sources.list sources.list.bak - 修改源
vim sources.list
中科大源
选择合适的版本deb https://mirrors.ustc.edu.cn/ubuntu/ xenial main restricted universe multiverse deb-src https://mirrors.ustc.edu.cn/ubuntu/ xenial main restricted universe multiverse deb https://mirrors.ustc.edu.cn/ubuntu/ xenial-security main restricted universe multiverse deb-src https://mirrors.ustc.edu.cn/ubuntu/ xenial-security main restricted universe multiverse deb https://mirrors.ustc.edu.cn/ubuntu/ xenial-updates main restricted universe multiverse deb-src https://mirrors.ustc.edu.cn/ubuntu/ xenial-updates main restricted universe multiverse deb https://mirrors.ustc.edu.cn/ubuntu/ xenial-backports main restricted universe multiverse deb-src https://mirrors.ustc.edu.cn/ubuntu/ xenial-backports main restricted universe multiverse - 更新源
apt-get update
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