Package cleanup: tiny hints

If you use some system for long enough, passing through various release upgrades, installing and uninstalling packages - basically living and using - your system might start be bloated with various remnants of dependencies, unneeded packages, dragging back some relicts or even blocking some new deps. Very unpleasant fact.

Glibc IPv6 bug

While working on jack IPv6 network stack I've trapped onto bizarre getaddrinfo() behaviour - it was returning me address families in wrong order for passive nameless request. It appears people were trapping onto this bug since 2009 (at least that far I found references to this behaviour in mail-lists).

Upstart

Here I'm just listing some upstart scripts I've written to manage tasks not assumed by default configuration

iptables

I dont want to use some weird bloatware just to install couple of rules I need to protect my machine. So here we go...