Postgis 1.4.* with postgresql 8.4 Ubuntu 9.10 /9.04

apt-get update

apt-get install vim

#The sources are still not available on the regular package servers... edit the sources

vim /etc/apt/sources.list

deb http://ppa.launchpad.net/pitti/postgresql/ubuntu jaunty main

deb-src http://ppa.launchpad.net/pitti/postgresql/ubuntu jaunty main

sudo apt-key adv --keyserver keyserver.ubuntu.com --recv-keys 8683D8A2

sudo apt-get update

sudo apt-get install postgresql-8.4

#This changes the port from 5433 to 5432

sudo sed -i.bak -e 's/port = 5433/port = 5432/' /etc/postgresql/8.4/main/postgresql.conf

sudo /etc/init.d/postgresql-8.4 stop

sudo /etc/init.d/postgresql-8.4 start

apt-get install postgresql-server-dev-8.4 libpq-dev

apt-get install libgeos-dev

wget http://postgis.refractions.net/download/postgis-1.4.0.tar.gz

apt-get install proj

tar xvfz postgis-1.4.0.tar.gz

cd postgis-1.4.0

./configure

make

make install

sudo su postgres

#change the postgres password to "atlas" so that you can later login

psql -c"ALTER user postgres WITH PASSWORD 'atlas'"

createdb geodb (with password atlas)

createlang -dgeodb plpgsql

psql -dgeodb -f /usr/share/postgresql/8.4/contrib/postgis.sql

psql -dgeodb -f /usr/share/postgresql/8.4/contrib/spatial_ref_sys.sql

psql -dgeodb -c"select postgis_lib_version();"

#This should return 1.4.0

exit

P.S: Note these contents are borrowed from http://biodivertido.blogspot.com/2009/10/install-postgresql-84-and-postgis-140.html