The powerful dpkg-reconfigure command can be used to reconfigure an entire installation. We show how to use it wisely.

In "The Matrix Reloaded," Trinity uses Nmap to hack into the power grid to pave Neo's way to the architect of the virtual world. However, the port scanner is also ideal for more mundane purposes – such as discovering vulnerabilities in your domestic network.

Regularly scanning the ports on your own network prevents intruders from sneaking in, but if you have dozens or hundreds of servers, you'll need professional help: Dr. Portscan to the rescue.

For no particular reason, Charly occasionally patrols his server farm and hunts down attackers. He has put together a neat toolbox for this job.

Six Linux tools reviewed: FISH 2.0.0, BAD 0.0.2, BLINK, FPING 3.5, LNAV 0.5.0, TOMB 1.4

Linux offers some sophisticated tools for understanding how malware can slip through the gaps in an unsuspecting application.

Productive work processes typically require extensive use of copy and paste. CopyQ expands your desktop's short-term memory, giving you quick access to previously copied content.