| 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 |
正文完
