Ubuntu 更換 apt 源為阿里雲

進入對應資料夾，用管理員許可權，執行複製操作：

cd /etc/apt/

sudo
cp sources.list sources.list.bak

sudo vim sources.list

使用管理員許可權，執行命令：

sudo

apt-get update
sudo
apt-get upgrade

p.s.

命令apt-get update是更新軟體列表

命令apt-get upgrade是更新軟體

deb  bionic main restricted universe multiverse

deb  bionic-security main restricted universe multiverse
deb  bionic-updates main restricted universe multiverse
deb  bionic-proposed main restricted universe multiverse
deb  bionic-backports main restricted universe multiverse
deb-src  bionic main restricted universe multiverse
deb-src  bionic-security main restricted universe multiverse
deb-src  bionic-updates main restricted universe multiverse
deb-src  bionic-proposed main restricted universe multiverse
deb-src  bionic-backports main restricted universe multiverse

deb  bionic main restricted universe multiverse

deb-src  bionic main restricted universe multiverse
deb  bionic-updates main restricted universe multiverse
deb-src  bionic-updates main restricted universe multiverse
deb  bionic-backports main restricted universe multiverse
deb-src  bionic-backports main restricted universe multiverse
deb  bionic-security main restricted universe multiverse
deb-src  bionic-security main restricted universe multiverse
deb  bionic-proposed main restricted universe multiverse
deb-src  bionic-proposed main restricted universe multiverse

deb  bionic main restricted universe multiverse

deb  bionic-security main restricted universe multiverse
deb  bionic-updates main restricted universe multiverse
deb  bionic-proposed main restricted universe multiverse
deb  bionic-backports main restricted universe multiverse
deb-src  bionic main restricted universe multiverse
deb-src  bionic-security main restricted universe multiverse
deb-src  bionic-updates main restricted universe multiverse
deb-src  bionic-proposed main restricted universe multiverse
deb-src  bionic-backports main restricted universe multiverse

deb  bionic main restricted universe multiverse

deb-src  bionic main restricted universe multiverse
deb  bionic-updates main restricted universe multiverse
deb-src  bionic-updates main restricted universe multiverse
deb  bionic-backports main restricted universe multiverse
deb-src  bionic-backports main restricted universe multiverse
deb  bionic-security main restricted universe multiverse
deb-src  bionic-security main restricted universe multiverse
deb  bionic-proposed main restricted universe multiverse
deb-src  bionic-proposed main restricted universe multiverse

ubuntu18.04下更改apt源為阿里雲源

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