Ubuntu Server 10.04 (Lucid Lynx)

Nice instructions for installing Solr on Ubuntu 10.04 (Lucid Lynx) found at:
http://ocdevel.com/blog/installing-apachesolrmodule-ubuntu-1004

One setup for Ubuntu 10.04 (works for Mercury/Pressflow or Drupal):
http://library.linode.com/application-stacks/project-mercury/ubuntu-10.0...

Another setup on Ubuntu 10.04: http://www.opensourcecatholic.com/blog/oscatholic/setting-apache-solr with steps at http://archstldev.com/node/319