Hadoop Zone

 1. Ctrl+Alt+T ,to open terminal and run the commands one by one,     a) sudo apt-get update                 If any problem for running above command then run below commands,                                      sudo rm -rf /var/lib/apt/lists/*                     sudo apt-get update                     sudo apt-get update -o Acquire::http::No-Cache=True                          b) sudo apt-get install openjdk-8-jdk    ...