how to set password to postgres user code example
Example 1: setup password psql
sudo -u postgres psql postgres
\password postgres
\q
Example 2: set username and password for postgresql database
sudo -u postgres psql -c "ALTER USER postgres PASSWORD 'postgres';"
Example 3: how to connect postgres user password using command line
sudo -u postgres psql postgres
Example 4: create password for user in postgres
ALTER USER davide WITH PASSWORD 'hu8jmn3';