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SSH 登录时的系统信息来自哪里？

tag-icon • tag-icon ssh login system-info
SSH 登录时的系统信息来自哪里？

当我使用 ssh 连接到 Ubuntu 18.4 服务器时，我收到以下信息：

Welcome to Ubuntu 18.04.2 LTS (GNU/Linux 4.15.0-46-generic x86_64)

 * Documentation:  
 * Management:     
 * Support:        

  System information as of Wed Apr  3 06:39:53 UTC 2019

  System load:  0.0               Processes:             151
  Usage of /:   9.5% of 48.96GB   Users logged in:       0
  Memory usage: 11%               IP address for ens160: 192.168.xxx.xxx
  Swap usage:   0%

 * Ubuntu's Kubernetes 1.14 distributions can bypass Docker and use containerd
   directly, see xxxx  or try it now with

     snap install microk8s --classic

 * Canonical Livepatch is available for installation.
   - Reduce system reboots and improve kernel security. Activate at:
     ubuntu.com/livepatch

8 packages can be updated.
8 updates are security updates.


Last login: Wed Apr  3 06:27:23 2019 from 192.168.xxx.xxx

什么命令可以再次打印此信息？

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