今天给一个客户从Debian10升级到12，记录一下折腾的过程
通过运行以下命令确认 Debian 10 代号，Debian 10 的代号为 buster
lsb_release -a输出差不多为：
No LSB modules are available.
Distributor ID: Debian
Description: Debian GNU/Linux 10 (buster)
Release: 10
Codename: buster将源列表中的所有 buster 条目更改为 Bullseye，这是 Debian 11 的代号。将原始配置文件备份到您的主目录
sudo cp /etc/apt/sources.list ~/sources.bak
sudo cp -r /etc/apt/sources.list.d/ ~/sources.list.d.bak在编辑器中打开 /etc/apt/sources.list
sudo nano /etc/apt/sources.list显示：
deb http://deb.debian.org/debian/ buster main
deb-src http://deb.debian.org/debian/ buster main
deb http://security.debian.org/debian-security buster/updates main
deb-src http://security.debian.org/debian-security buster/updates main
# buster-updates, previously known as 'volatile'
deb http://deb.debian.org/debian/ buster-updates main
deb-src http://deb.debian.org/debian/ buster-updates main更改为：
deb http://deb.debian.org/debian bullseye main
deb-src http://deb.debian.org/debian bullseye main
deb http://security.debian.org/ bullseye-security main
deb-src http://security.debian.org/ bullseye-security main
deb http://deb.debian.org/debian bullseye-updates main
deb-src http://deb.debian.org/debian bullseye-updates main然后保存退出
输入以下内容，开始更新：
sudo apt update
sudo apt upgrade --without-new-pkgs更新完毕，会提示让你reboot重启一下
我们reboot重启过后，输入：
lsb_release -a原创文章，作者：陌涛，如若转载，请注明出处：https://imotao.com/8921.html
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