更換為官方源 / 更換APT源

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更換為官方源 / 更換APT源
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修改源，也可以看到主機商是使用哪個源

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有些主機商是寫在這裡
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vi  /etc/apt/sources.list

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有的主機商是放在 /etc/apt/sources.list.d/ 目錄下，檔名未知，自己找
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cd /etc/apt/sources.list.d/

vi xxxxxxxxxxxxxx.list

然後，複製貼上

deb http://deb.debian.org/debian/ bookworm main non-free-firmware
deb-src http://deb.debian.org/debian/ bookworm main non-free-firmware

deb http://security.debian.org/debian-security bookworm-security main non-free-firmware
deb-src http://security.debian.org/debian-security bookworm-security main non-free-firmware

deb http://deb.debian.org/debian/ bookworm-updates main non-free-firmware
deb-src http://deb.debian.org/debian/ bookworm-updates main non-free-firmware

ESC儲存並離開
:wq

重開機
reboot

更新
apt-get update

apt-get upgrade