In article <1136446265.206388.6610@xxxxxxxxxxxxxxxxxxxxxxxxxxxx>, ctobini <ctemp2@xxxxxxx> wrote: >tobini% psql -d template1 -U postgres -W >password: postgres >psql: FATAL: IDENT authentication failed for user "postgres" > >Do you have an idea about this problem ? Use the su command to become user postgres and then run the psql command.