postgres login with user code example

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

sudo -u postgres psql postgres

Example 2: how to login using a particular user postrges

psql -d mydb -U myuser -W
psql -h myhost -d mydb -U myuser -W

Example 3: create new user in postgres

CREATE USER visualscrapy WITH PASSWORD '123456';
# it will create the new user in postgres

Example 4: useradd postgres

sudo -u postgres psqlpostgres=# create database mydb;postgres=# create user myuser with encrypted password 'mypass';postgres=# grant all privileges on database mydb to myuser;