Install PostgreSQL 16 on RHEL8/OEL8

 

Create User OS with sudo

$ adduser user_name

$ passwd user_name

$ usermod -aG wheel username

 Note: For user postgres will create automatic after install PostgreSQL completed.

Repository Configuration

# sudo apt install curl ca-certificates

# sudo install -d /usr/share/postgresql-common/pgdg

# sudo curl -o /usr/share/postgresql-common/pgdg/apt.postgresql.org.asc --fail https://www.postgresql.org/media/keys/ACCC4CF8.asc

# deb [signed-by=/usr/share/postgresql-common/pgdg/apt.postgresql.org.asc] https://apt.postgresql.org/pub/repos/apt bookworm-pgdg main

# sudo sh -c 'echo "deb [signed-by=/usr/share/postgresql-common/pgdg/apt.postgresql.org.asc] https://apt.postgresql.org/pub/repos/apt $(lsb_release -cs)-pgdg main" > /etc/apt/sources.list.d/pgdg.list'#

PostgreSQL installation

# sudo apt update

# sudo apt install postgresql-16

Configure PostgreSQL

Enable listener

$ vi /etc/postgresql/16/main/postgresql.conf
listen_addresses = '*'
port = 5432
max_connections = 300

Enable Access List ( White list)

$ vi /etc/postgresql/16/main/pg_hba.conf
host all all 192.168.1.70/32 md5
host all all 0.0.0.0/0 md5

Restart Service for take effect

# systemctl stop postgresql@16-main
# systemctl start postgresql@16-main

Create Database

$ psql

postgres=# createdb testdb;

Create User

$ psql

postgres=# create user testuser with encrypted password ‘password’;

Grant Permission

$ psql

postgres=# \c testdb
testdb=# GRANT ALL ON SCHEMA public TO testuser;
testdb=# ALTER SCHEMA public OWNER TO testuser;