https://community.cloudera.com/t5/Support-Questions/Cloudera-Manager-API-HTTP-Error-401-basic-auth-failed-error/m-p/69009#M46119 <P><SPAN class="c">So, I am using the basic text from the api site. I enter my username and password that matches with the Cloudera manager&nbsp;and I am still&nbsp;getting an error. Do I need to add more code like a request authrozation? What exactly is a Kerberos authroization?&nbsp;</SPAN></P> <P>&nbsp;</P> <P><SPAN class="c">cm_api.api_client.ApiException: HTTP Error 401: basic auth failed (error 401)</SPAN></P> <P><SPAN class="c">---------------------</SPAN></P> <P><SPAN class="c"><BR /># Get a handle to the API client</SPAN><BR /><SPAN class="kn">from</SPAN> <SPAN class="nn">cm_api.api_client</SPAN> <SPAN class="kn">import</SPAN> <SPAN class="n">ApiResource</SPAN><BR /><BR /><SPAN class="n">cm_host</SPAN> <SPAN class="o">=</SPAN> <SPAN class="s">"cm-host"</SPAN><BR /><SPAN class="n">api</SPAN> <SPAN class="o">=</SPAN> <SPAN class="n">ApiResource</SPAN><SPAN class="p">(</SPAN><SPAN class="n">cm_host</SPAN><SPAN class="p">,</SPAN> <SPAN class="n">username</SPAN><SPAN class="o">=</SPAN><SPAN class="s">"admin"</SPAN><SPAN class="p">,</SPAN> <SPAN class="n">password</SPAN><SPAN class="o">=</SPAN><SPAN class="s">"admin"</SPAN><SPAN class="p">)</SPAN><BR /><BR /><SPAN class="c"># Get a list of all clusters</SPAN><BR /><SPAN class="n">cdh4</SPAN> <SPAN class="o">=</SPAN> <SPAN class="bp">None</SPAN><BR /><SPAN class="k">for</SPAN> <SPAN class="n">c</SPAN> <SPAN class="ow">in</SPAN> <SPAN class="n">api</SPAN><SPAN class="o">.</SPAN><SPAN class="n">get_all_clusters</SPAN><SPAN class="p">():</SPAN><BR />&nbsp; <SPAN class="k">print</SPAN> <SPAN class="n">c</SPAN><SPAN class="o">.</SPAN><SPAN class="n">name</SPAN><BR />&nbsp; <SPAN class="k">if</SPAN> <SPAN class="n">c</SPAN><SPAN class="o">.</SPAN><SPAN class="n">version</SPAN> <SPAN class="o">==</SPAN> <SPAN class="s">"CDH4"</SPAN><SPAN class="p">:</SPAN><BR />&nbsp;&nbsp;&nbsp; <SPAN class="n">cdh4</SPAN> <SPAN class="o">=</SPAN> <SPAN class="n">c</SPAN><BR /><BR /><SPAN class="c">## -- Output --</SPAN><BR /><SPAN class="c"># Cluster 1 - CDH4</SPAN><BR /><SPAN class="c"># Cluster 2 - CDH3</SPAN></P> Tue, 12 Jun 2018 17:42:37 GMT don1123 2018-06-12T17:42:37Z