# Debian10 更换国内源
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Debian10 更换国内源
https://cloud.tencent.com/developer/article/1590080
Debian11 更换阿里源
cp /etc/apt/sources.list /etc/apt/sources.list.back
echo "" > /etc/apt/sources.list
cat <<EOF > /etc/apt/sources.list
deb http://mirrors.aliyun.com/debian/ bullseye main non-free contrib
deb-src http://mirrors.aliyun.com/debian/ bullseye main non-free contrib
deb http://mirrors.aliyun.com/debian-security/ bullseye-security main
deb-src http://mirrors.aliyun.com/debian-security/ bullseye-security main
deb http://mirrors.aliyun.com/debian/ bullseye-updates main non-free contrib
deb-src http://mirrors.aliyun.com/debian/ bullseye-updates main non-free contrib
deb http://mirrors.aliyun.com/debian/ bullseye-backports main non-free contrib
deb-src http://mirrors.aliyun.com/debian/ bullseye-backports main non-free contrib
EOF
apt update
apt -y upgrade