+ # ensure we delete leftovers due to lack of disk space
+ sudo /bin/rm -rf /tmp/$ARTIFACT_TO_DOWNLOAD ~/.ara \
+ /opt/engine /opt/test /opt/stack /httpboot > /dev/null 2>&1 || true
+ sudo docker ps -a --format {{.ID}} | xargs -n 1 sudo docker stop > /dev/null 2>&1 || true
+ sudo docker ps -a --format {{.ID}} | xargs -n 1 sudo docker rm > /dev/null 2>&1 || true
+ sudo docker images -a --format {{.ID}} | xargs -n 1 sudo docker rmi -f > /dev/null 2>&1 || true
+ sudo docker volume rm $(sudo docker volume ls -qf dangling=true) > /dev/null 2>&1 || true
+
+ # offline nodes can't resolve artifactory.nordix.org