Postgresql: password authentication failed for user “postgres”

Question

I have installed PostgreSQL 8.4, Postgres client and Pgadmin 3. Authentication failed for user \"postgres\" for both console client and Pgadmin. I have typed user as \"postg

Answer 1

Here are some combinations which I tried to login:

# login via user foo
psql -Ufoo -h localhost

sudo -u postgres psql postgres

# user foo login to postgres db
psql -Ufoo -h localhost -d postgres