先将当前版本更新到最新

apt update -y && apt full-upgrade -y

安装常用工具

apt install -y curl wget sudo

创建更新源目录与文件

sudo mkdir -p /etc/apt/sources.list.d/

sudo touch /etc/apt/sources.list.d/example.list

sudo sed -i 's/bullseye/bookworm/g' /etc/apt/sources.list

sudo sed -i 's/bullseye/bookworm/g' /etc/apt/sources.list.d/example.list

apt update -y && apt full-upgrade -y

清除老系统残留

apt autoremove -y && apt autoclean -y

重启 SSH端口回归默认22

reboot

一键清理垃圾

sudo apt autoremove --purge -y

sudo apt clean -y

sudo apt autoclean -y

sudo apt remove --purge $(dpkg -l | awk '/^rc/ {print $2}') -y

sudo journalctl --rotate

sudo journalctl --vacuum-time=1s

sudo journalctl --vacuum-size=50M

sudo apt remove --purge $(dpkg -l | awk '/^ii linux-(image|headers)-[^ ]+/{print $2}' | grep -v $(uname -r | sed 's/-.*//') | xargs) -y

查看Debian版本

cat /etc/debian_version

查看Linux内核版本

uname -r

查看当前系统中Linux内核版本列表

dpkg --list | grep linux-image

删除AMD的旧内核

sudo apt remove linux-image-5.10.0-21-amd64

sudo apt remove linux-image-5.10.0-21-cloud-amd64

这比ubuntu更新简单太多了