Ubuntu镜像源_修改 ubuntu镜像仓库 命令 cat

一、写入配置文件

1、Ubuntu镜像源配置模板（Ubuntu20）

直接执行下面的命令即可配置源，然后如果是其他版本的只需要执行替换语句即可完成替换

cat <<EOF > /etc/apt/sources.list
deb http://mirrors.aliyun.com/ubuntu/ focal main restricted universe multiverse
deb-src http://mirrors.aliyun.com/ubuntu/ focal main restricted universe multiverse

deb http://mirrors.aliyun.com/ubuntu/ focal-security main restricted universe multiverse
deb-src http://mirrors.aliyun.com/ubuntu/ focal-security main restricted universe multiverse

deb http://mirrors.aliyun.com/ubuntu/ focal-updates main restricted universe multiverse
deb-src http://mirrors.aliyun.com/ubuntu/ focal-updates main restricted universe multiverse

deb http://mirrors.aliyun.com/ubuntu/ focal-proposed main restricted universe multiverse
deb-src http://mirrors.aliyun.com/ubuntu/ focal-proposed main restricted universe multiverse

deb http://mirrors.aliyun.com/ubuntu/ focal-backports main restricted universe multiverse
deb-src http://mirrors.aliyun.com/ubuntu/ focal-backports main restricted universe multiverse
EOF
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2、Ubuntu18

在执行了Ubuntu20的源配置之后，再执行下面这个语句即可改成Ubuntu18的源

sed -i 's/focal/bionic/g' /etc/apt/sources.list
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3、Ubuntu16

sed -i 's/focal/xenial/g' /etc/apt/sources.list
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4、Ubuntu14

sed -i 's/focal/trusty/g' /etc/apt/sources.list
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二、更新源配置

源配置参数设置完成之后，执行下面的语句即可对源信息进行更新：

sudo apt update
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然后你的源就配置完成了。