If you followed all the instructions up to now, you should have a working Seaside server based on Seaside, Apache and some other tools. Apache is handling the file requests and passing on other requests to your Seaside application server. This setup is straightforward and enough for smaller productive applications.
As your web application becomes widely used, you want to regularly provide fixes and new features to your users. Also you might want to investigate and debug the deployed server. To do that, you need a way to get our hands on the running Smalltalk VM. There are several possibilities to do that, we are going to look at those in this section.