Debian 8 - Install PostgreSQL 9.x

From Debian Packages (9.4)

sudo apt-get install postgresql-9.4 -y

The output of psql -V will show you version 9.4.9.

PostgreSQL Apt Repository (9.6)

Use this method if you need the latest release (9.6) which brings with it features like support for parallel queries.

echo 'deb http://apt.postgresql.org/pub/repos/apt/ jessie-pgdg main' | sudo tee /etc/apt/sources.list.d/pgdg.list
wget --quiet -O - https://www.postgresql.org/media/keys/ACCC4CF8.asc | sudo apt-key add -
sudo apt-get update
sudo apt-get install postgresql-9.6 -y

Conclusion

You now have a working PostgreSQL database. You may now wish to configure PostgreSQL to set a password and allow remote connections, or you can dive right in and refer to the cheatsheet for help.

References

• PostgreSQL - Linux downloads (Debian)