tip: postgresql non si disinstalla. un trucco barbaro per risolvere

il problema:
# apt-get remove –purge postgresql-8.1
Reading package lists…
Building dependency tree…
The following packages will be REMOVED
postgresql-8.1*
0 upgraded, 0 newly installed, 1 to remove and 21 not upgraded.
1 not fully installed or removed.
Need to get 0B of archives.
After unpacking 12,8MB disk space will be freed.
Do you want to continue [Y/n]? (Reading database … 32630 files and directories [...]