psql with username and password code example

Example 1: how to connect postgres user password using command line

sudo -u postgres psql postgres

Example 2: psql create user

# https://www.postgresql.org/docs/8.0/sql-createuser.html
CREATE USER <username> WITH PASSWORD '<password>' VALID UNTIL '<date here>';

Example 3: how to connect postgres user password using command line

\password postgres

Example 4: create user and password postgres

dropuser username