Remove the Debian copyright message
Every time you log on a debian this copyright message is displayed:
—
The programs included with the Debian GNU/Linux system are free software;
the exact distribution terms for each program are described in the
individual files in /usr/share/doc/*/copyright.
Debian GNU/Linux comes with ABSOLUTELY NO WARRANTY, to the extent
permitted by applicable law.
—
It can be removed by edit this file: /etc/motd.tail
