I tried to install latest PostgreSql on plain Debian using instructions from
http://backports-master.debian.org/Instructions/ I added line described there to sources and tried root@EEPOLDB01:~# apt-get -t squeeze-backports install postgresql-9.1 Reading package lists... Done Building dependency tree Reading state information... Done E: Unable to locate package postgresql-9.1 E: Couldn't find any package by regex 'postgresql-9.1' How to install it ? Link http://packages.debian.org/squeeze-backports/postgresql-9.1 shows that this package exists. There is also postgresql 8.4 installed. How to uninstall postgresql 8.4 before installing debian ? Andrus.