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Install PostgreSQL in Ubuntu 20.04

update system

sudo apt-get update

install postgreSQL

sudo apt install postgresql postgresql-contrib

open postgreSQL

sudo -i -u postgres psql

close

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create new user

sudo -u postgres createuser --interactive

create new database

sudo -u postgres createdb sammy

add the new user in ubuntu 20.04

sudo adduser sammy

change user password

sudo -u postgres psql

ALTER USER samy PASSWORD 'myPassword';

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