Yeah, about that. Don’t try this at home or anywhere else for that matter. Unless ofcourse you are sucidal and want to delete everything you have in your linux box.
Or, you could just see what happens in this video:

scanlogd detects port scans and writes one line per scan via the syslog mechanism. If a source address sends multiple packets to different ports in a short time, the event will be logged. In order to do its job, scanlogd needs a way to obtain raw IP packets that either come to the system scanlogd [...]

These commands are used to track what users have been doing in the system; they can be helpfull to find a cause of a security problem:
1) Last searches back through the file /var/log/wtmp (or the file designated by the -f flag) and displays a list of all users logged in (and out) since that file [...]

If you are lke me and often stress test your laptop (all my tests pictures you see are done on this laptop) like the post before shows chances are your machine gets hot alot. While todays machines are build to last long and endure more stress than ever before, it would be nice to to [...]