Установка системы APT - нет перевода!!!!
If you try to track mixed environment as described here, you may likely to hit some package dependency conflicts. It is good idea not to mix flavors. Followings are for people who is willing to experiment knowing some risks.
For selective upgrade while tracking the testing distribution, the APT system (>Woody) must be set up as in Перевод системы APT к ее Woody-версии, раздел 5.1 to use apt_preferences(5) features.
First, add the sources for stable, testing, and unstable to your /etc/apt/sources.list. Then, edit /etc/apt/preferences to set the proper Pin-Priority. [31]
Package: * Pin: release a=stable Pin-Priority: 500
Package: * Pin: release a=testing Pin-Priority: 600
Package: * Pin: release a=unstable Pin-Priority: 50
