I have installed postgresql 8.4 and 9.1 on same ubuntu machine and I want to try to run only 9.1 and 8.4 to stay off. When I run
/etc/init.d/postgresql start it starts both. How to start only one version, in this case 9.1 ?
Ubuntu is upgraded to 12.04, bit are installed via apt-get install but I added to sources list for 9.1 and then update and apt-get install.
there is no