In order to track bugs (both software and packaging), many distributions have developed bug tracking systems to manage bug reports and to notify the package maintainers and reporters of changes. The table below shows some of the Debian and Ubuntu tools for tracking bugs.
Bug Tracking Systems (BTS)
Debian : http://bugs.debian.org
Ubuntu : http://launchpad.net/malone/distros/ubuntu
Bug per dei pacchetti specifici
Debian : http://bugs.debian.org/<nomepacchetto>
Ubuntu : utilizza cerca nel BTS di Ubuntu
Bug per dei pacchetti sorgenti
Debian : http://bugs.debian.org/src:<nomepacchetto>
Ubuntu : https://launchpad.net/distros/ubuntu/+source/<nomepacchetto>/+bugs
Package Information
Debian : http://packages.debian.org o http://packages.qa.ubuntu.org/<nomepacchetto>
Ubuntu : http://packages.ubuntu.com o https://launchpad.net/distros/ubuntu/+source/<nomepacchetto> for source packages