I have recently started trying to learn about Capella and somewhat new to Linux software. I have used the Eclipse feature in other programs to keep the software up to date. I read the forum and searched it and did not find (though my search technique is poor) any references to the update sites. I tried a couple of things similar to what was done by others and the results can be summarized in the two images below: 
and
Where should I go to find the URLs for update site(s) for Version 5.0.0 of Capella and Studio Capella?
Any other suggestions would be greatly appreciated.