stuck at “Getting org.scala-sbt sbt 0.13.6 …” when running sbt in terminal

Question

Similar problem with How to use sbt behind authenticated proxy?. I tried with the given answer and problem still there.

When I run sbt in terminal, it

Answer 1

There is an update log ...

$ tail -f $HOME/.sbt/boot/update.log 

Execute the above command in another terminal to see the progress. Using -v option works as others already indicated as well.