debian 9升级到debian 10

step1:更新

apt-get update && apt-get upgrade

step2:备份一份

cp /etc/apt/sources.list /etc/apt/sources.list.orig

step3:将/etc/apt/sources.list里所有“stretch”替换为“buster”

sed -i 's/stretch/buster/g' /etc/apt/sources.list

step4:再更新一下

apt-get update && apt-get upgrade

step5:执行升级命令

apt-get dist-upgrade

step6:提示完成后重启

reboot

step7:查看下当前debian版本

lsb_release -a