Cydia software should be reloaded fresh after a restore. What is needed is a list .
Another debian utility creates the list dpkg -l. Likely that won't work either.
The preferences for most cydia apps/tweaks are backed up by iTunes
Not really. There are many files in computers that make the system unusable.
The issue is finding which ones are missing or corrupted. Even for experts, the
work required to determine the problem is usually far more than starting over.