I would like a web program (Ubuntu) that I could install on my server that would display a file to be downloaded.
The webpage would display the file name, size and date added, who added it, and have a button to start the download.
I was imagining something like the Dropbox link download page.
If you are talking about fixed content you can simply have a static link to the file, with whatever text and pictorial information that you desire.
For a more dynamic system just start an FTP server - this will give a view with the filename, size, date, etc., with some control over what information is displayed.
For still more control you can use a framework such as twisted, django, etc., there are many possibilities.
There are these:
