Some of Charly’s servers run the SSH daemon on port 443 rather than on the standard port 22. If an SSL-capable Apache web server starts causing trouble, his method of settling the dispute is sslh.

Version 10.10 of the Opera web suite lets you put a server in your browser.

The Linux packet filter iptables lacks a function that dynamically enables ports for authenticated users. Portsmith plugs this gap, allowing users to enable their own connections.

For the longest time, Charly used vi to edit his nameserver's zone data, which isn't too elegant because a mere fat-finger will get you into DNS trouble. Fortunately, NicTool will help ease the pain – even in the midst of a move big enough to kick up a dust storm.