1. apt install gnome-shell 2. apt install ubuntu-gnome-desktop （弹出框选择lightdm) 3. apt install unity-tweak-tool 4. apt install gnome-tweak-tool 阿里云服务器ubuntu16升级到18 https://www.kutu66.com//ubuntu/article_160837 https://www.appinn.com/ubuntu-16-04-to-ubuntu-18-04-lts/ 相关文章：