Ubuntu Linux - Connect Postgresql from Psql and also PGadmin Remotely

 Step 1 :

> sudo su

> vi /etc/postgresql/10/main/postgresql.conf

#listen_addresses = 'localhost'

to 

listen_addresses = '*'

>vi /etc/postgresql/10/main/pg_hba.conf
# IPv4 local connections:
host    all             all    127.0.0.1/32  md5

to
host    all             all   0.0.0.0/0   md5


>sudo ufw allow 5432/tcp
>sudo systemctl restart postgresql


     
>psql -h localhost -d databasename -U userrolename
    ...enterpasswordfor-userrolename