Anonymous
here’s another “tip”:
To know which files-n-paths are NOT (by default) preserved across persistence sessions, inspect the exclusion patterns listed in these files:
/usr/local/share/excludes/persist-save-exclude.list
/usr/local/share/excludes/static-root-delete.list
You’ll might want to customize those lists. For instance, I prefer to not discard the downloaded apt packagelists.