I get the impression that if I download something via ktorrent and leave ktorrent running, I then become a seeder and my download is available to others. But suppose I am running ktorrent on several different computers. How can I be a good citizen and become a seeder for that download on my other computers? I can easily transfer to those other computers whatever files are necessary.

Well, some trackers do not allow you to seed from multiple computers at the same time. But if they do allow it(ask them), you can just import the torrent like you would normally do. the session peerid would tell the tracker that you are seeding from two computersd and would identify them.

I realize that by starting the torrent again in Computer #2 I can eventually provide a seeder, but that would imply bringing the entire file in again from the torrent, even though I already have it. So somehow I want to make the file available for seeding without recreating it.

A related question, hopefully simple: After I've successfully downloaded a torrent, how can I get ktorrent to reveal the location of the torrent file I used for the download?

I'll admit I'm not very familiar with torrents and their lingo, so the lack of a help file for ktorrent is giving me a hard time.

When you import (there's a plugin for that, Settings/Configure/Plugins), you need to have the data locally available. Hence all you need to do is to copy the files from one PC to another and then import that data in the second PC, thus becoming its seeder.

Right-click on torrent's name in main KTorrent window and choose "Open directory" to find out where it is in your filesystem. You can set the default download location in Settings.

-edit-
Ah, if you mean torrent file, not data: if you simply opened a torrent file using KTorrent directly from the Internet, you might not have it all on your disk (perhaps in your webcache). If you saved the file beforehand, it should be where you saved it. Look at the ScanFolder plugin for a possible way to handle torrent files.

pwabrahams wrote:I realize that by starting the torrent again in Computer #2 I can eventually provide a seeder, but that would imply bringing the entire file in again from the torrent, even though I already have it. So somehow I want to make the file available for seeding without recreating it.

Copy the file over, open the torrent and point it to the location of the copied data. Then KT will scan the data, notice everything is there and it will start seeding.

A related question, hopefully simple: After I've successfully downloaded a torrent, how can I get ktorrent to reveal the location of the torrent file I used for the download?

You can either keep track of it yourself or setup a directory where all torrents you open get copied to (can be enabled in the settings). Another option is to right click on the torrent -> open directory -> temporary directory , that will open the directory which ktorrent uses to keep track of all the information in it. In this directory there is a file named torrent, which is the torrent.

Ha, I didn't know the torrent file is kept in the temp dir. Nice to know.