https://community.cloudera.com/t5/Support-Questions/how-do-i-change-maria-dev-and-root-passwords-for-docker/m-p/193822#M155882 <P><A rel="user" href="https://community.cloudera.com/users/23311/therealwebguru.html" nodeid="23311">@Gordon Banker </A></P><P>After doing the SSH on port 2222 to your sandbox you can use "passwd" command to reset the password</P><PRE># ssh root@localhost -p 2222 Password: hadoop</PRE><P>.</P><PRE>[root@sandbox ~]# su - maria_dev [maria_dev@sandbox ~]$ passwd Changing password for user maria_dev. Changing password for maria_dev. New password: new_dev_maria Retype new password: new_dev_maria passwd: all authentication tokens updated successfully.</PRE><P><STRONG>Both the username and password to login are "maria_dev". </STRONG>Please see: <A href="https://hortonworks.com/hadoop-tutorial/learning-the-ropes-of-the-hortonworks-sandbox/" target="_blank">https://hortonworks.com/hadoop-tutorial/learning-the-ropes-of-the-hortonworks-sandbox/</A></P><P>.</P><P>You can also change the ambari user "maria_dev" password from ambari I as well. For that you will have to login to ambari as admin/admin and then you can nagivate to Ambari UI --&gt; Manage Ambari -&gt; Users --&gt; maria_dev and then change the UI password for maria_dev.</P><P>.</P><P><A rel="user" href="https://community.cloudera.com/users/23311/therealwebguru.html" nodeid="23311"></A> </P> Tue, 25 Jul 2017 11:34:00 GMT jsensharma 2017-07-25T11:34:00Z