Debian policy mandates that user changes to configuration files must be preserved during package upgrades. The easy way to achieve this behavior is to make the configuration file a 'conffile', in which case dpkg handles the file specially during upgrades, prompting the user as needed.

Python-instagram contains the Python bindings to access the Instagram REST and Search API.

linuxvnc can export your currently running text sessions to any VNC client. It can be useful if you want to move to another computer without having to log out or to help a distant colleague solve a problem.

A simple Unix utility which reads and writes data across network connections using TCP or UDP protocol. It is designed to be a reliable "back-end" tool that can be used directly or easily driven by other programs and scripts. At the same time it is a feature-rich network debugging and exploration tool, since it can create almost any kind of connection you would need and has several interesting built-in capabilities.