更新软件列表
sudo apt-get update
sudo apt-get upgrade -y
sudo apt-get dist-upgrade
升级系统
sudo do-release-upgrade
遇到问题
- Err dl.yarnpkg.com/debian stable InRelease
解决：
使用命令：
# You're missing the public key. Run this to get it:
curl -sS https://dl.yarnpkg.com/debian/pubkey.gpg | sudo apt-key add -
再更新
