Hello, I try to run: wget https://download2.rstudio.org/rstudio-server-rhel-0.99.893-x86_64.rpm sudo yum install --nogpgcheck rstudio-server-rhel-0.99.893-x86_64.rpm sudo rstudio-server verify-installation sudo rstudio-server stop sudo rstudio-server start However, with (2), I get this error: Running Transaction Installing : rstudio-server-0.99.893-1.x86_64 1/1 groupadd: group 'rstudio-server' already exists rsession: no process killed initctl: Unable to connect to Upstart: Failed to connect to socket /com/ubuntu/upstart: Connection refused initctl: Unable to connect to Upstart: Failed to connect to socket /com/ubuntu/upstart: Connection refused Verifying : rstudio-server-0.99.893-1.x86_64 1/1 Installed: rstudio-server.x86_64 0:0.99.893-1 Complete! ---- Then when I try (3), I get this error: [root@sandbox ~]# sudo rstudio-server verify-installation Unable to find an installation of R on the system (which R didn't return valid output); Unable to locate R binary by scanning standard locations initctl: Unable to connect to Upstart: Failed to connect to socket /com/ubuntu/upstart: Connection refused [root@sandbox ~]# --- Looking forward to your suggestions. Thanks, Marcia ... View more

Hello, I imported HDP 2.5 to the latest VirtualBox. It installed fine. However, when I try to SSH, it gives me "Connection Refused". I have no idea how to proceed. I look forward to your suggestions. Thanks, Marcia ... View more

Hello, I am able to run the startup_sandbox.sh . However, when it reaches line 71 of the code, I get the followng error: [mhon@docker01 hortonworks_hadoop]$ docker exec -t sandbox nohup su - hue -c '/bin/bash /usr/lib/tutorials/tutorials_app/run/run.sh' >/dev/nul -bash: /dev/nul: Permission denied I look forward to hearing your advice. Thanks, Marcia ... View more