http://www.freeos.com/articles/3540/
"You can download Logcheck from
http://www.psionic.com and go for the download URL. Get the latest sources. At the time of writing the article, Logcheck was in version 1.1.1. A point to be noted out here; while you can download Logcheck as a non root user, you would have to login as root while installing as Logcheck prefers to install its scripts, binaries and other configuration files to directories owned by root.
Step 1
Untarring the sources is the first step towards [blah, blah blah]
Good luck!
Ooops! That psionic url leads to Cisco. But Logcheck is still available on Sourceforge at
http://sourceforge.net/projects/logcheck