Machine Learning - Lab 1 - login error


I got a problem logging in on localhost:9200 (step 7 in Lab 1) even I followed all instructions for installing elasticsearch and x-pack. This error occurs:

{“error”:{“root_cause”:[{“type”:“security_exception”,“reason”:“failed to authenticate user [elastic]”,“header”:{“WWW-Authenticate”:"Basic realm=“security” charset=“UTF-8"”}}],“type”:“security_exception”,“reason”:“failed to authenticate user [elastic]”,“header”:{“WWW-Authenticate”:"Basic realm=“security” charset=“UTF-8"”}},“status”:401}

How can I solve this?



The course was built using Elasticsearch 5.x. You may need to ensure you’re using 5.6 or earlier.
We will update the labs to use Elasticsearch 6 soon. In the meantime, if you want to continue using v6.x of the Elastic Stack then read this to see how to install X-Pack. It’s pretty simple, but a bit different from 5.x.

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