"The PostgreSQL Global Development Group has released an update to all current versions of the PostgreSQL database system, including 9.2.1, 9.1.6, 9.0.10, 8.4.14 and 8.3.21. This update fixes critical issues for major versions 9.1 and 9.2, and users running those versions should apply it as soon as possible," according to this page.
I have just upgraded PostgreSQL.
For easy installation and uninstallation, I installed
This was an installation tracker.
For PostgreSQL to work, the following things should be installed:
This was a fast lexical analyzer generator.
This included GNU readline and history libraries, and development files.
I typed the commands:
tar xvjf postgresql-9.2.1.tar.bz2