for Ubuntu

install-postgres-client-9.4.sh

#!/usr/bin/env bash


cd
set -e


wget --quiet -O - https://www.postgresql.org/media/keys/ACCC4CF8.asc | sudo apt-key add -
echo "deb http://apt.postgresql.org/pub/repos/apt/ $(lsb_release -cs)-pgdg main" | \
  sudo tee /etc/apt/sources.list.d/pgdg.list
sudo apt-get update
sudo apt-get upgrade --yes
sudo apt-get install --yes postgresql-client-9.4