[ZEPPELIN-5435] Update to ubuntu 20.04 for github CI

### What is this PR for?
This PR updates our GitHub CI Runners to ubuntu 20.04.
In addition, the JDBC interpreter tests have been fixed, as the newer MySQL version supports higher encryption.

### What type of PR is it?
 - Improvement

### What is the Jira issue?
* https://issues.apache.org/jira/browse/ZEPPELIN-5435

### How should this be tested?
* CI

### Questions:
* Does the licenses files need update? No
* Is there breaking changes for older versions? No
* Does this needs documentation? No

Author: Philipp Dallig <philipp.dallig@gmail.com>

Closes #4157 from Reamer/ubuntu_20_04 and squashes the following commits:

ec46bdc21 [Philipp Dallig] Update to ubuntu 20.04 for github CI
3 files changed
tree: 265930969ec51c3ddbddd144f37c58a035e825ef
  1. .github/
  2. _tools/
  3. alluxio/
  4. angular/
  5. beam/
  6. bigquery/
  7. bin/
  8. cassandra/
  9. conf/
  10. dev/
  11. docs/
  12. elasticsearch/
  13. file/
  14. flink/
  15. flink-cmd/
  16. geode/
  17. groovy/
  18. hazelcastjet/
  19. hbase/
  20. helium-dev/
  21. ignite/
  22. influxdb/
  23. java/
  24. jdbc/
  25. k8s/
  26. kotlin/
  27. ksql/
  28. kylin/
  29. lens/
  30. licenses/
  31. livy/
  32. markdown/
  33. mongodb/
  34. neo4j/
  35. notebook/
  36. pig/
  37. python/
  38. rlang/
  39. sap/
  40. scalding/
  41. scio/
  42. scripts/
  43. shell/
  44. spark/
  45. spark-submit/
  46. sparql/
  47. submarine/
  48. testing/
  49. zeppelin-client/
  50. zeppelin-client-examples/
  51. zeppelin-common/
  52. zeppelin-display/
  53. zeppelin-distribution/
  54. zeppelin-examples/
  55. zeppelin-integration/
  56. zeppelin-interpreter/
  57. zeppelin-interpreter-integration/
  58. zeppelin-interpreter-parent/
  59. zeppelin-interpreter-shaded/
  60. zeppelin-jupyter/
  61. zeppelin-jupyter-interpreter/
  62. zeppelin-jupyter-interpreter-shaded/
  63. zeppelin-plugins/
  64. zeppelin-server/
  65. zeppelin-web/
  66. zeppelin-web-angular/
  67. zeppelin-zengine/
  68. .appveyor.yml
  69. .asf.yaml
  70. .gitignore
  71. Dockerfile
  72. LICENSE
  73. NOTICE
  74. pom.xml
  75. README.md
  76. Roadmap.md
  77. SECURITY-README.md
  78. STYLE.md
README.md

Apache Zeppelin

Documentation: User Guide
Mailing Lists: User and Dev mailing list
Continuous Integration: core frontend rat
Contributing: Contribution Guide
Issue Tracker: Jira
License: Apache 2.0

Zeppelin, a web-based notebook that enables interactive data analytics. You can make beautiful data-driven, interactive and collaborative documents with SQL, Scala and more.

Core features:

  • Web based notebook style editor.
  • Built-in Apache Spark support

To know more about Zeppelin, visit our web site https://zeppelin.apache.org

Getting Started

Install binary package

Please go to install to install Apache Zeppelin from binary package.

Build from source

Please check Build from source to build Zeppelin from source.