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Luc
Asked: 2012-08-02 01:40:08 +0800 CST

Cannot install Postgres 9.1 on a fresh Debian 6.0

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I have a fresh Debian 6.0 install. I have installed build-essential and added: 

deb http://backports.debian.org/debian-backports squeeze-backports main

in /etc/apt/sources.list

I now try to install Postgres 9.1 but I have the following error: 

The following packages have unmet dependencies:
 postgresql-9.1 : Depends: libpq5 (>= 9.1~) but 8.4.12-0squeeze1 is to be installed
                  Depends: postgresql-client-9.1 but it is not going to be installed
                  Depends: postgresql-common (>= 115~) but 113 is to be installed

Is there any additional stuff to install prior the postgres installation ?

debian

1 Answers

  1. Best Answer

    Well, build-essential is irrelevant to this problem. You're not installing the package correctly; use the -t squeeze-backports option to make the backports repository the "default" repository for the purposes of this apt-get run, which should allow the correct versions of the dependent packages to be installed. You're getting the error you are now because whilst postgresql-9.1 isn't available in squeeze, and therefore will be installed from the backports repo, the other packages do have available versions in squeeze, and due to the low default priority of backports repositories, the versions of the packages in squeeze are being preferred.

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