sudo chown $USER /mnt/
~/pg/install/bin/initdb -D /mnt/pgdata -U postgres
echo "max_connections=5000" >> /mnt/pgdata/postgresql.auto.conf
echo "fsync=off" >> /mnt/pgdata/postgresql.auto.conf
echo "listen_addresses='*'" >> /mnt/pgdata/postgresql.auto.conf

echo "host    replication     all             0.0.0.0/0               trust" >> /mnt/pgdata/pg_hba.conf

../pg/install/bin/postgres -D /mnt/pgdata