Download Citus Open Source

curl -sSL https://get.docker.com/ | sh
sudo usermod -aG docker $USER && exec sg docker newgrp `id -gn`
sudo systemctl start docker

sudo curl -sSL https://github.com/docker/compose/releases/download/1.16.1/docker-compose-`uname -s`-`uname -m` -o /usr/local/bin/docker-compose
sudo chmod +x /usr/local/bin/docker-compose

curl https://install.citusdata.com/community/deb.sh | sudo bash
sudo apt-get -y install postgresql-12-citus-9.4

curl https://install.citusdata.com/community/rpm.sh | sudo bash
sudo yum install -y citus94_12

curl https://install.citusdata.com/community/deb.sh | sudo bash
sudo apt-get -y install postgresql-12-citus-9.4
sudo pg_conftool 12 main set shared_preload_libraries citus

curl https://install.citusdata.com/community/rpm.sh | sudo bash
sudo yum install -y citus94_12
sudo service postgresql-12 initdb || sudo /usr/pgsql-12/bin/postgresql-12-setup initdb
echo "shared_preload_libraries = 'citus'" | sudo tee -a /var/lib/pgsql/12/data/postgresql.conf