I am very new to Perl and I wonder how to run it on webservers and all. (or if it can)
The three commonest options are:
I'd recommend FastCGI for good performance without massive complication.
The new kid on the block is PSGI/Plack, which I can't comment on as I haven't found time to look at it properly.
There are various web frameworks (such as Catalyst) which can do a lot of the heavy lifting involved in building a web application for you. Most can be accessed with more than one of the above methods (e.g. Catalyst supports all four).