[Satellite 6.2] Remote execution command failing with error "Could not use any Capsule"

Issue

• When trying to execute any command or apply an errata on client-server using remote execution results in error

2017-12-13 11:13:32 [foreman-tasks/action] [E] Could not use any Capsule. Consider configuring remote_execution_global_proxy or remote_execution_fallback_proxy in settings (RuntimeError)
 | /opt/theforeman/tfm/root/usr/share/gems/gems/foreman_remote_execution-0.3.0.19/app/lib/actions/remote_execution/run_host_job.rb:36:in `plan'
 | /opt/theforeman/tfm/root/usr/share/gems/gems/dynflow-0.8.13.6/lib/dynflow/action.rb:461:in `block (3 levels) in execute_plan'
 | /opt/theforeman/tfm/root/usr/share/gems/gems/dynflow-0.8.13.6/lib/dynflow/middleware/stack.rb:26:in `call'

2017-12-13 11:13:33  [foreman-tasks/action] [E] A sub task failed (RuntimeError)