Use of uninitialized value in getpwuid at /usr/bin/pg_lsclusters line 28.
7.4     main      5432 down   root     /var/lib/postgresql/7.4/main       /var/log/postgresql/postgresql-7.4-main.log
8.1     main      5433 online postgres /var/lib/postgresql/8.1/main       /var/log/postgresql/postgresql-8.1-main.log