每个桌面环境进入命令行模式的方式是不一样的。
Each desktop environment has a different way to get to a command prompt.
在设置外部端口配置之后，输入exit两次，退出命令行的配置模式。
After setting the external port configuration, type exit twice to back out of the configuration mode of the command line.
不幸的是，关于使用GRUB 2的命令行模式进行故障排查的详细描述内容，其长度将会是本文的好几倍。
Unfortunately, a complete description of troubleshooting using GRUB 2's command-line mode would be several times the length of this article.
应用推荐