Hi, thank you for each of you by contributing with insights and experiences. Just my contribution: I could install my 1st cluster recently and I have got these behavior from it; a dumb distraction was the cause: I thought /etc/hosts were fine and they were not (missing entries) - fixing them properly and restarting services, they got up promptly - reds became green at end in ambari dashboard. cheers and good luck Massa ... View more

Just to contribute with alternative options for such case: my HDP sandbox had been used since beginning of HDP tutorial, i figure some configs were spoiled at the point that needed agentes and services went down. To stop running out of time, I just downloaded/imported a new Virtualbox HDP sandbox - since that, i could get back on track - i.e. Interact with sandbox following tutorial instructions ("HDP > develop with hadoop > Hello World", "6. Interactive SQL on Hadoop with Hive LLAP ", "Enable Ambari Admin Login" , https://br.hortonworks.com/tutorial/learning-the-ropes-of-the-hortonworks-sandbox/#section3 , '2.2 Setup Ambari admin Password Manually' ) - it has gone fine. ... View more