Resources for the print article.
PostgreSQL: www.postgresql.org
Slony-I: www.slony.info
Download Slony-I: developer.postgresql.org/~wieck/slony1/download/slony1-1.0.5.tar.gz
Slonik Command Summary: gborg.postgresql.org/project/slony1/genpage.php?slonik_commands
Slony-I Mailing List: gborg.postgresql.org/mailman/listinfo/slony1-general
Linux-HA Heartbeat: www.linux-ha.org/heartbeat