IntroductionThis how-to will show you how to install LEMP on a Ubuntu 16.04 cloud server or VPS. LEMP is a web service stack that consists of a Linuxoperating system, Nginx (pronounced “engine-

开机在grub（就是选择系统那个界面）按e，进入编辑grub信息界面找到GRUB_CMDLINE_LINUX_DEFAULT="quietsplash"改为GRUB_CMDLINE_LINUX_DEFAULT="quietsplash nomodeset"保存之后继续开机，就能进入系统。进入系统以后，sudo vim/etc/default/grub

sudo apt purge mysql-*sudo rm -rf /etc/mysql/ /var/lib/mysqlsudo apt autoremovesudo apt autoreclean