@Sanaz Janbakhsh The password i see in your output is not encrypted. Ambari uses Spring Security mechanism. And the password "admin" is stored in the database in encrypted manner. So in your database the password should be in encoded format. So once you have the above mentioned entry in your ambari DB (users) table then after restarting ambari server you should be able to login to ambari UI using username: admin password: admin ... View more

@Sanaz Janbakhsh On ambari Database you can run the folllowing command: update ambari.users set user_password='538916f8943ec225d97a9a86a2c6ec0818c1cd400e09e03b660fdaaec4af29ddbb6f2b1033b81b00' where user_name='admin'; . This will reset ambari user "admin" password as "admin". ... View more

@hanlim seok I see the following error in your output: Port in use: HlseokNamenode:50070 . Before starting the process, Can you make sure that the port 50070 is not occupied by any process. ... View more

@Balakumar Balasundaram Login to Ambari then navigate to : Yarn --> Configs --> Advanced --> Advanced yarn-log4j And then make your desired changes there. Is that what you are looking out for? Also please take a look at the "Advanced yarn-env" (yarn-env template) where you will see that how Ambari uses the "YARN_ROOT_LOGGER" property to define the YARN_OPTS="$YARN_OPTS -Dhadoop.root.logger=${YARN_ROOT_LOGGER........... . ... View more

@Daniel Kozlowski Great observation. Keen eye. Vote Up. ... View more

@Oriane I see that you are trying to do ssh on port 2122 which is not right ... many of basic commands will not work that way. So please do ssh as following: ssh -p 2222 root@127.0.0.1 . ... View more

Ideally it should work. ... View more

@Oriane By any chance do you have any extra line before the "%spark" or if there is any special character (my be while copying and pasting it might have come). Can you manually write those lines of %spark script freshly and then test again? ... View more

@Yukti Agrawal It will be great if you can share the output of the following command : # cd /var/log/ambari-metrics-grafana # grep 'Listen' grafana.log 2017/02/22 12:34:04 [I] Listen: http://0.0.0.0:3000 # grep 'Listen' grafana.out 2017/02/22 14:09:44 [I] Listen: http://0.0.0.0:3000 . ... View more