Slony_ctl allows one to easily administrate a slony1 replication. Scripts are written in bash.
The Slony-I administration scriptsproject is a PostgreSQL Community project that is a part of the pgFoundry.
The pgFoundry page for the project is at http://pgfoundry.org/projects/slony1-ctl, where you can find downloads, documentation, bug reports, mailing lists, and a whole lot more.