set username in postgresql code example
Example 1: create db user postgres
sudo -u postgres psql
postgres=
postgres=
postgres=
Example 2: set username and password for postgresql database
sudo -u postgres psql -c "ALTER USER postgres PASSWORD 'postgres';"
Example 3: how to create a new user in postgresql
CREATE DATABASE yourdbname;CREATE USER youruser WITH ENCRYPTED PASSWORD 'yourpass';GRANT ALL PRIVILEGES ON DATABASE yourdbname TO youruser;
Example 4: create user and password postgres
dropuser username