I used to keep all my important configs under subversion repository. At certain point this proved to be quite exhaustive (i.e. I still had to log in to each se

I used to keep all my important configs under subversion repository. At certain point this proved to be quite exhaustive (i.e. I still had to log in to each server to check the config) and I started looking at some tools to automate it. Tried two up to date - puppet and chef. Both come in two flavours (paid and community) so you can try both for free.