SSH登陆后提示信息的组成

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本文档提供了Ubuntu20.04LTS系统的操作指南，包括SSH登录、目录切换、文件列表查看、帮助文档访问、系统新闻获取及版本升级提示等关键信息。同时，文中还介绍了Microk8s在macOS上的安装教程，以及欢迎使用阿里云弹性计算服务的消息。

ubuntu@debian:~ $ ssh shenzhen
Welcome to Ubuntu 20.04 LTS (GNU/Linux 5.4.0-31-generic x86_64)

 * Documentation:  https://help.ubuntu.com
 * Management:     https://landscape.canonical.com
 * Support:        https://ubuntu.com/advantage

 * "If you've been waiting for the perfect Kubernetes dev solution for
   macOS, the wait is over. Learn how to install Microk8s on macOS."

   https://www.techrepublic.com/article/how-to-install-microk8s-on-macos/

Hi, Double-Wen, Welcome to Alibaba Cloud Elastic Compute Service !

Last login: Wed Jul 29 10:59:06 2020 from 36.33.5.174
ubuntu@shenzhen:~ $ cd /etc/update-motd.d/
ubuntu@shenzhen:/etc/update-motd.d $ ls
00-header  10-help-text  50-motd-news  91-release-upgrade
ubuntu@shenzhen:/etc/update-motd.d $ ./00-header 
Welcome to Ubuntu 20.04 LTS (GNU/Linux 5.4.0-31-generic x86_64)
ubuntu@shenzhen:/etc/update-motd.d $ ./10-help-text 

 * Documentation:  https://help.ubuntu.com
 * Management:     https://landscape.canonical.com
 * Support:        https://ubuntu.com/advantage
ubuntu@shenzhen:/etc/update-motd.d $ ./50-motd-news 

 * "If you've been waiting for the perfect Kubernetes dev solution for
   macOS, the wait is over. Learn how to install Microk8s on macOS."

   https://www.techrepublic.com/article/how-to-install-microk8s-on-macos/
ubuntu@shenzhen:/etc/update-motd.d $ ./91-release-upgrade      
ubuntu@shenzhen:/etc/update-motd.d $ cat /etc/motd 

Hi, Double-Wen, Welcome to Alibaba Cloud Elastic Compute Service !