The Debian / Ubuntu upgrade mechanism is a wonderful piece of software. When the new release comes out, just follow the instructions given by the update manager and the upgrade will be done almost automatically.
In Part 1 we learned some basic network sniffing and stumbling with SWScanner on Linux. Today Eric Geiers shows us some more excellent network discovery and probing utilities: KwifiManager, tcpdump, and Wireshark.
This tutorial explains how to "grow" your own database definition in a way that is maintainable, by using so-called "recreate" scripts. These scripts can be used to both create a database from scratch and update an existing database..
In part 1 we learned some neat tricks using OpenSSH and SSHFS for fast remote logins and file sharing. Today in Part 2 we learn how easy it is to configure OpenSSH to use secure public key authentication instead of a password login.