Technically we do not try to validate the URL as it can also be a file path or anything that simplestreams can use to contact the source. So when you enter something invalid it will say that the source provides no "Ubuntu images", which is correct even if the URL is not valid.
Technically we do not try to validate the URL as it can also be a file path or anything that simplestreams can use to contact the source. So when you enter something invalid it will say that the source provides no "Ubuntu images", which is correct even if the URL is not valid.