Getting org.scala-sbt sbt 0.13.6 ...

Host repo1.maven.org not found. url=https://repo1.maven.org/maven2/org/scala-sbt/sbt/0.13.6/sbt-0.13.6.pom

Host repo1.maven.org not found. url=https://repo1.maven.org/maven2/org/scala-sbt/sbt/0.13.6/sbt-0.13.6.jar

    module not found: org.scala-sbt#sbt;0.13.6

==== local: tried

  /home/vibhanshu/.ivy2/local/org.scala-sbt/sbt/0.13.6/ivys/ivy.xml

  -- artifact org.scala-sbt#sbt;0.13.6!sbt.jar:

  /home/vibhanshu/.ivy2/local/org.scala-sbt/sbt/0.13.6/jars/sbt.jar

==== typesafe-ivy-releases: tried

  https://repo.typesafe.com/typesafe/ivy-releases/org.scala-sbt/sbt/0.13.6/ivys/ivy.xml

==== Maven Central: tried

  https://repo1.maven.org/maven2/org/scala-sbt/sbt/0.13.6/sbt-0.13.6.pom

  -- artifact org.scala-sbt#sbt;0.13.6!sbt.jar:

  https://repo1.maven.org/maven2/org/scala-sbt/sbt/0.13.6/sbt-0.13.6.jar

    ::::::::::::::::::::::::::::::::::::::::::::::

    ::          UNRESOLVED DEPENDENCIES         ::

    ::::::::::::::::::::::::::::::::::::::::::::::

    :: org.scala-sbt#sbt;0.13.6: not found

    ::::::::::::::::::::::::::::::::::::::::::::::

export JAVA_OPTS="$JAVA_OPTS -Dhttp.proxyHost=proxy -Dhttp.proxyPort=port -Dhttps.proxyHost=proxy -Dhttps.proxyPort=port"

-Dhttp.proxyHost=proxy
-Dhttp.proxyPort=portno
-Dhttp.proxyUser=UserId
-Dhttp.proxyPassword=Password

-Dhttps.proxyHost=proxyhost
-Dhttps.proxyPort=portno
-Dhttps.proxyUser=UserId
-Dhttps.proxyPassword=Password

export JAVA_OPTS="$JAVA_OPTS -Dhttp.proxyHost=proxyHost  -Dhttp.proxyPort=proxyPortNumber -Dhttp.proxyUser=UserId -Dhttp.proxyPassword=Password -Dhttps.proxyHost=proxyHost -Dhttps.proxyPort=proxyPortNumber  -Dhttps.proxyUser=UserId -Dhttps.proxyPassword=Password"