Ubuntu更换国内镜像源

Ubuntu各个版本更换镜像源

#清华大学镜像源

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

sudo sed -i "s@http://.*archive.ubuntu.com@https://mirrors.tuna.tsinghua.edu.cn@g" /etc/apt/sources.list

sudo sed -i "s@http://.*security.ubuntu.com@https://mirrors.tuna.tsinghua.edu.cn@g" /etc/apt/sources.list

去https

sudo sed -i "s@https://@http://@g" /etc/apt/sources.list
sudo cp /etc/apt/sources.list /etc/apt/sources.list.back

##
sudo sed -i 's/.*archive.ubuntu.com/mirrors.nju.edu.cn/g' /etc/apt/sources.list
sudo sed -i 's/.*security.ubuntu.com/mirrors.nju.edu.cn/g' /etc/apt/sources.list
##
sudo sed -i "s@http://.*archive.ubuntu.com@https://mirrors.nju.edu.cn@g" /etc/apt/sources.list

sudo sed -i "s@http://.*security.ubuntu.com@https://mirrors.nju.edu.cn@g" /etc/apt/sources.list