SSH ログイン通知メール

# vi /etc/ssh/sshrc

#! /bin/bash
echo -e "USER:$USER\nFROM:$SSH_CLIENT\nDATE:`date`" | mail -s "SSH Notice! $HOSTNAME" root

届いたメールの内容 ———————-

件名：SSH Notice! web1.example.net

本文：
USER:hogeuser
FROM:118.xxx.yyy.126 62470 xxx22
DATE:Fri Jun 16 14:25:59 JST 2017

ログイン文字の装飾

@see http://www.patorjk.com/software/taag/

# vi /etc/motd


              _     _   __    ___
__      _____| |__ / | / _\  / _ \
\ \ /\ / / _ \ '_ \| | \ \  / /_\/
 \ V  V /  __/ |_) | |__\ \/ /_\\
  \_/\_/ \___|_.__/|_(_)__/\____/

  
              |`-._/\_.-`|
              |    ||    |
              |___o()o___|
              |__((SG))__|
              \   o\/o   /
               \   ||   /
                \  ||  /
                 '.||.'
                   ``

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I recorded the login and mailed it to the administrator.
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