Note: Make Linux OS print customized message after login ================================================================================= Overview: --------------------------------------------------------------------------------- Linux base OS下, 不論是純文字介面(terminal)或是ssh遠端登入, 成功登入後皆會顯示一段文字訊息, 如下圖:  看著久了挺惱人的, 某日想著能否刪除訊息時, 就產生**能否自定義?**, 這樣的想法了 Login-message files & file structure --------------------------------------------------------------------------------- 關於登入成功後, 會顯示哪些內容, 是由motd (Message of the Day)這支程序所控制, 相關config files位於以下路徑: `/etc/update-motd.d/`  像是圖片中的OS版本/kernel版本:  就是透過執行`00-header`所產生:  所以做法也很簡單; 在`/etc/update-motd.d/`下新增一檔案`banner.conf`, 將想要顯示的訊息寫入後, `00-header`新增一行`cat /etc/update-motd.d/banner.conf`  Resualt --------------------------------------------------------------------------------- 成果如下:  Ref. --------------------------------------------------------------------------------- [Create welcome banner on ubuntu](https://blog.niclin.tw/2019/08/08/ubuntu-welcome-banner/) [Add loggin-message](https://linuxkvm.blogspot.com/2011/07/ubuntu-server.html) [about motd.d](https://untitled.pw/software/linux/2337.html)
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