<h3>Message of the Day</h3>
<p>
When you login over ssh, the message of the day (motd) is displayed.<br />
On a default Debian installation, it looks like this:
</p>
<pre><samp>Linux T450s 4.19.0-6-amd64 #1 SMP Debian 4.19.67-2+deb10u2 (2019-11-11) x86_64

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.
Last login: Sun Jan 12 12:16:15 2020 from ::1
</samp></pre>

<h3>Updated MOTD</h3>
<p>
The motd can easily be extended with useful information<br />
by placing some <a href="#files">scripts</a> in <code>/etc/update-motd.d/</code>.<br />
With additional scripts in place, it could look like this:
</p>
<pre><samp>Linux T450s 4.19.0-6-amd64 #1 SMP Debian 4.19.67-2+deb10u2 (2019-11-11) x86_64

System information as of Sun 2020-01-12 12:59:54 CET

System load:    0.69               Processes:      180
Usage of /:     12% of 118G        Users:          3
Memory usage:   10.2%              System uptime:  1:14 hours
Swap usage:     0.0%               IP of wlp3s0:   192.168.0.123
Temp of acpitz: 49.0°C

*** System restart required ***

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.
Last login: Sun Jan 12 12:16:15 2020 from ::1
</samp></pre>

<h3>External links for further information</h3>
<ul>
<li><a href="https://wiki.debian.org/motd" target="_blank">
https://wiki.debian.org/motd</a></li>
</ul>