The Debian Installer can be used to rescue (repair) systems, for example if they fail to boot after an upgrade. Some basic information about this can be found in the [http://www.debian.org/releases/stable/installmanual Installation Guide] (look for "Recovering a Broken System" in the index).
However, not all configurations are supported by default. This page can be used to document additional rescue procedures.
- ["/Crypto"] - Rescuing a system set up using "Guided partitioning with encrypted LVM"