In this example, logcheck.sh will run four times every hour at 15-minute intervals. Apparently, this is designed to get your attention, and it does. The last file, logcheck.ignore, applies to any and all types of messages. Like the other files, you can customize them to your needs. You don't want to start filtering out important data for the sake of a cleaner report.
More information is almost always better than less.
As you can see, with a package like this, your job of filtering and looking through logs can be greatly simplified. As you get more comfortable with what you expect to see in those logs, you can customize the keyword files to deliver the information you want. Even with the default files, logcheck is a great little package. It is time to wrap this up. When next we convene here at the SysAdmin's Corner, we'll look at ways to build on what we have so far to extend our wary eyes to spot script kiddies and system crackers before they do any real damage.