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Ubuntu 2004 更换国内镜像源

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素明诚
素明诚
Full stack development

备个份​

sudo cp /etc/apt/sources.list /etc/apt/sources.list.backup

编辑文件​

sudo nano /etc/apt/sources.list

清华源​

把下面内容替换进去

deb http://mirrors.tuna.tsinghua.edu.cn/ubuntu/ focal main restricted universe multiverse
deb http://mirrors.tuna.tsinghua.edu.cn/ubuntu/ focal-updates main restricted universe multiverse
deb http://mirrors.tuna.tsinghua.edu.cn/ubuntu/ focal-backports main restricted universe multiverse
deb http://mirrors.tuna.tsinghua.edu.cn/ubuntu/ focal-security main restricted universe multiverse

升级软件包​

sudo apt upgrade