Hello all ( @Weiss Ruth, @Jay Kumar SenSharma, @Vinesh Paul, @Geoffrey Shelton Okot), I have the same problem (as @Weiss Ruth) with my HDP 2.5 Oracle VM VirtualBox with Hortonworks Docker Sandbox. VirtualBox is running on Windows 10 laptop. Under user maria_dev with password maria_dev everything works perfectly. $ ssh maria_dev@127.0.0.1 -p 2222 maria_dev@127.0.0.1's password: Last login: Sun Jan 6 23:03:10 2019 from 10.0.2.2 [maria_dev@sandbox ~]$ If I try to login as root with following string: $ ssh root@127.0.0.1 -p 2222 with password hadoop login is unsuccessful with following message: Permission denied, please try again. $ ssh root@127.0.0.1 -p 2222 root@127.0.0.1's password: Permission denied, please try again. root@127.0.0.1's password: The same issue when I tried to substitute user with command su root under user maria_dev but message a bit different: su: incorrect password $ ssh maria_dev@127.0.0.1 -p 2222 maria_dev@127.0.0.1's password: Last login: Sun Jan 6 23:18:02 2019 from 10.0.2.2 [maria_dev@sandbox ~]$ su root Password: su: incorrect password [maria_dev@sandbox ~]$ At the same time root/hadoop works fine in VM terminal (tty1). Defaul picture when machine started looks like following: and after Alt+F5 with root/hadoop login is successful: It would be great if Hortonwork's experts could clarify what is going wrong with root/hadoop in cases above? ... View more